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    T410s w/ Switchable Graphics - First Impressions (compared to x301)

    Discussion in 'Lenovo' started by MisterWuf, Aug 18, 2010.

  1. MisterWuf

    MisterWuf Notebook Enthusiast

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    Another user, MikesDell, requested that I post my impressions of the T410s(sg) as compared with the x301. While researching the T410s(sg), I noticed most of the reviews were written before the Switchable Graphics model was released and they left lots of questions unanswered for me. I thought I might be able to help someone in the same position by posting my impressions.

    I've been using the x301 for about a year and the T410s arrived today. Keep in mind that these are my opinions and I an opinionated person. :) It also reflects just the hardware copies that I have and others may have hardware with different traits.

    First, let me say that I love the x301. Despite having a terrible screen (my last laptop was a T60 w/ FlexView), it's far and away my favorite laptop of all time and I handle a lot of laptops, both personally and for my customers (I'm in IT). I wanted to try out the T410s because Lenovo has dubbed the T4??s line the successor to the x3?? line and I've yearned for the addition of switchable graphics and an eSATA port. Having an Serial Ultrabay Slim adapter back would be good for work too -- I miss that at times. Unlike others, I don't miss the dock connector that was omitted from the x301. IMO, docks are a PITA.

    Here's my config:
    T410s w/ Core i5-540m CPU, 4GB RAM, Switchable Graphics, no touchscreen, camera, bluetooth, Intel 6300 (3+3) wireless, no WiMax or WWAN, Blu Ray Optical, Toshiba 256GB SSD w/ FDE.

    On to the comparison (in a totally random order):

    Screen Contrast/Blacks: The T410s screen is slightly worse than the x301's. This may be because of the larger dot size or what appears to be a proportionately larger inter-pixel gap. Everything looks slightly less sharp than the x301. ClearType AA artifacts are more noticeable, probably because of the larger pixel size. Still, I'm comparing two pretty awful screens here. My theory (rationalization) is that as screens get thinner, they get crappier. The reverse seems true: the best screens seem to be thick, heavy, and power-sucking. I just pray for better technology in the future. My opinion of the T410s display is made with the backlight all the way up. On the x301 this was often *too* bright, but on the T410s the color and contrast seem best at full brightness.

    Screen Brightness: Excellent on both. LED backlighting truly rocks. Note: be sure to turn off the adaptive backlight on T410s or the backlight (and therefore your color profile, gamma, et al) will change constantly. I have no idea why they scale the backlight on an LED screen. It has virtually no impact on battery life. I thought it was an attempt to cover up the backlight leakage when watching content on a dark screen, but if that's the case it should be present when powered by AC as well, and it's not. [UPDATE: After making the change in Power Manager, the backlight is still self-adjusting, just less often. I'll look into this.]

    T410s Screen Color: I heard some others mention a harsh cast (green?) in their displays. I had none of that. Whites are paper white. From viewing some photos, the screen also seems to have a larger color gamut than the screen on my x301 and represents red better. If I have time I'll profile the screen and post the results.

    Video Card(s): Why does power manager keep setting my refresh rate to 50Hz whenever I switch from AC to DC?! I've turned off all power saving features in both the Power Manager and the Intel GMA HD tray applet but to no avail. This problem exists on both the x301 and the T410s and it drives me nuts!

    Hybrid Video: It's easy to tell which graphic mode the laptop is in. A system tray icon shows one chevron if integrated graphics is in use and two if discreet is in use. It will not let me switch graphics mode if my SnagIt screen capture utility is running. That's a little bothersome. I've contacted the makers of SnagIt to see if they are going to make it switchable-graphics aware. In the meantime I told the vid switching app to ignore SnagIt and so far that seems to be working OK.

    Keyboard: I never expected this, but I like the T410s's keyboard better. The x301 keyboard was fast and solid, so I didn't expect to reach this conclusion, but the keyboard on the T410s is rock solid right out of the box whereas I had to fuss with the x301 a bit. On the x301, I ordered a replacement keyboard because of a squeaky left TrackPoint button, then put some Scotch-tape shims in strategic locations to get the fit perfect. On the other hand, I couldn't improve on the T410s's keyboard if I tried. The new audio and power buttons and lighting are an improvement as well. Pressing the Esc and Ins key keys has never been a problem for me, so the enlarged versions don't matter to me but I understand the logic of making them larger and easier to find.

    Battery Life: Once I got the power settings where I wanted them, the battery life is close on both models (~2:40 for each with very light use). The batteries are the same capacity, IIRC, so this is impressive considering that the T410s is driving a much faster processor and a larger display. One caveat: if you load a CPU-hungry program, it will suck down a lot of power in a hurry. In theory this is a good thing because your task will complete more quickly and then stop using the CPU. That's better than having to wait longer to complete a task, while using the same net amount of power. That said, it was a little panicking to see my estimated battery life go from two hours to one when I started System Update. :)

    Fan Noise: The x301 is silent. Other than when I had a broken fan, I never heard the cooler unless something was wrong like a process run amok. The T410s is not like that. The fan is ever-present and rarely gets so quiet that it can't be heard, even when idle running on battery. That said, it's a pleasant enough fan -- nothing like the T43 fan, for instance.

    Speakers: I admit I was prepared for disappointment here. The x301's audio is _very_ good -- it shocks me that it could be packed into such a small laptop. Taking apart the x301, I can see why: below the palmrests are acoustic chambers. Really _thin_ acoustic chambers, but in a laptop that size, the decision to leave that space unused must have been a difficult one. The T410s does not disappoint, though. The speakers don't reproduce low frequency audio as well as the x301, but it's a big improvement on ThinkPads of old and will work for most situations. Having the speakers outside the keyboard and not under one's palms is an offsetting positive. As on the x301, be sure to use the SmartAudio control panel applet to get the best sound from the speakers.

    Construction - Flex: This is another area where I was prepared for disappointment. The x301 feels like it's carved from a single block. The T410s is every bit as solid. Despite being deeper and heavier than the x301, I can hold it, with the screen open, by the palmrest corner with the same confidence that I had in handling the x301. Very impressive. No squeaks, no flex. I hope that lasts.

    Construction - Hinges: They are brushed aluminum on the T410s instead of lacquer black so they draw the eye more, but functionally they are every bit as good as on the x301. I'm sure they are stronger because the display is heavier. They seem to hold the display in position even more easily than the hinges on the x301.

    Construction - Surfaces: The x301 uses a rubbery coating for the palmrest and keyboard surround. Some have described the feel as that of leather -- it's really pleasant. The T410s uses textured plastic in that area and while it isn't anything like the x301's surface, the texture of the plastic is pleasant - for plastic. Although they look similar, different ThinkPads use different textures for the palmrest. The T410s's is about as nice as they come. The texture on the base is nice as well. The material is different (CFRP?) but the texture, if not the sheen, is matched closely to the palmrest. When you run your hand over it, you hear a scratchy sound but it doesn't feel scratchy. Hard to explain, I know. The rubber lid coating also has this same feel and is different from the "grabby" rubbery coating on the x301.

    Construction - Screen: How did they get the screen this thin? I can't believe that Lenovo managed to squeeze a 14" backlit LCD, Magnesium honeycomb rollcage and the plastic cover in the thin lid of the T410s. Upon closer inspection, the x301 screen is just as thin but you can't tell from the side because of the way the LCD trim bezel is designed to nest with the base of the laptop.

    Trackpoint/Trackpad: I'm just getting started with these so I don't have much to share yet. I'm looking forward to using MultiTouch for panning, rotating and zooming in CAD and photo apps, but I haven't had a chance to try any of this yet.

    CPU Noise: I've read where others have had a noise out of their CPU in the T410s. To hear any noise out of mine I have to put the bottom of the case against my ear (which I never do in regular use) and even then it's like the scraping of ant's feet -- not much whine, just some very faint clicking. I keep my CPU power setting on "Adaptive" both in AC and DC mode, so perhaps this is related. I ran some tests on an early Core processor and got exactly the same benchmarks out of Adaptive as Full Speed, so I keep the processor on Adaptive to cut down on heat when connected over AC.

    CPU Performance: Impressive. The CPU in my x301 was fast enough for 99% of the work that I used it for, so the processor upgrade was only of interest to me for playing games. That said, I've been impressed with the improvement in application load times. Firefox starts up almost instantly now where it would take 1-2 seconds before. Likewise, Office 2010 apps load so fast that I don't see any of the progress text in the splash screen!

    Heat: The x301 is pretty much always cool. The T410s, on the other hand, is never as cool as the x301 and will go from cold to hot in a hurry. With standard office app work, the bottom stays generally cool with a warm spot in the middle. If I fire up anything CPU intensive, or if I turn on the discreet video controller, it gets very toasty. Put it on a desk to play video games and all should be fine.

    Access for Upgrades: Both models have gone to using a Magnesium door on the bottom for upgrading RAM and WLAN. The T410s goes a step further and puts the WWAN there as well. I like this. Particularly in laptops which are fit together this tightly, I would prefer not to take off bits of casing for routine upgrades.

    Weight and Form Factor: I think the bottom line is that x301 users will see this as large and x4x0 users will see it as very trim. It's definitely not in the same portability class as the x301 and I question Lenovo's decision to eliminate the 13" product line. At the same time, if the x301 form factor is too small to accommodate full-speed processors, I'm probably OK (personally) with the jump to the T410s. It takes the sting out of jumping to a larger platform by providing a very rigid and thin chassis, without compromising on performance. I know some folks are bothered by the switch to 1.8" HDDs, but it's probably inevitable that all laptop hard drives are headed that direction, particularly with the advent of SSDs. And if your goal is portability, it cuts down weight, heat, energy consumption and vibration (admittedly at the expense of top speed, top capacity, and cost).

    Transport: With the lid open, it can be carried by the palmrest (thumb on top, fingers on bottom) but is quite a bit more strain on the wrist than the x301. With the lid closed, I had exactly the same trouble finding a way to carry it as I did with the x301. With the battery no longer at the back providing a ridge to grab, and given that the weight is now more evenly distributed from front to back, I find both the x301 and T410s hard to hold on to. I found myself typically carrying it by a corner, with my finger wrapped around one of the rubber feet in the corner of the base to get a good grip.

    Footnotes
    • There is no dedicated Bluetooth LED. The WWAN light now comes on to indicate when Bluetooth (and perhaps WWAN or WiMax) is in use. For a minute I thought they had erred and installed WWAN. :)
    • I miss having two USB ports on the side of the laptop as on the x301. The T410s has only one and the rear-mounted ports are more difficult to access.
    • Before switching to the Toshiba 256GB SSD w/ Full Drive Encryption (FDE), I used the Intel 160GB SSD (I forget the model number -- the fast one). The Intel drive was noticeably faster. Windows 7 rates the speed as 6.9 for the Toshiba and 7.5 for the Intel, but in real world tests I think the difference was closer to 20%. That said, the prospect of having FDE on a drive with that small a compromise in speed was worth the change to me. I mention this in case someone reading this doesn't care about FDE (or capacity difference). In that case, go with the Intel.
    • I have read about some users who experienced spontaneous shutdowns or restarts with their T410s's. I haven't experienced any in my first full day of use. I also haven't experienced the GPU overheating condition but I may not have run it long enough or pushed it hard enough to cause a failure.

    That's my experience on day one. If anyone has questions or would like a photo taken of some bit, just ask.

    -darren
     
  2. miliranga

    miliranga Notebook Consultant

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    Awesome write up Darren!!! Some great points.
     
  3. ZaZ

    ZaZ Super Model Super Moderator

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    Thanks for posting.
     
  4. PatchySan

    PatchySan Om Noms Kit Kat

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    Yeah I turn this particular mode off, my eyes are rather sensitive to the low refresh rate. Have you checked the Idle Timers in the Power Manager? Go to Advanced Mode instead of Basic, choose a Power Plan, then Lower Display Refresh Rate. If it still says to 50hz then just select "Never" and this should stop it completely.

    Another suggestion is to check for updated video drivers and then try the above again.
     
  5. MikesDell

    MikesDell Notebook Evangelist

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    Very good !
    One of the best comparison reviews of the T410s vs. X301's out there !
    +1 rep point ! :)

    I was really looking forward to what you had to say on the keyboards, and the overall feel of the laptop.
    Sounds like they are both very solid machines, with the T410s having the improved keyboard design, looks to be a good thing :)
     
  6. bdoviack

    bdoviack Notebook Consultant

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    Great write up and much appreciated.

    Would be curious to hear your final thoughts as to which you would prefer as your final laptop.

    Also, as a current X301 owner, do you think it would be worthwhile to upgrade to a 410s?

    Thanks,
     
  7. MisterWuf

    MisterWuf Notebook Enthusiast

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    Thanks to everyone for the kind replies!

    Here are my notes from day 2:

    • Still no crashes - very solid.
    • I find the larger pixels and TrueType font anti-aliasing distracting on the T410s. The screendoor effect is just too great. At this screen size, I think I would prefer a higher resolution screen. That said, it's been nice not squinting as much. :D
    • I was having two power issues: Dynamic brightness and 50Hz would be enabled, even when all my power settings were configured for max performance, when the laptop was taken off AC power *if* the integrated graphics card was in use. No such problem existed when using the discrete controller. I ran some power tests and found, at idle at least, that the two cards draw the same amount of power (!!). On that basis, I switched the BIOS over to discrete only. So far so good.
    • When the laptop gets hot (ie when gaming) the base gets quite hot but that heat doesn't transmit to the keyboard much so as long as I keep something like a dinner tray between the laptop and my lap, it's still comfortable to use. This probably owes more to the SSD than anything else but might also be the result of a thicker keyboard tray and sub-keyboard frame (pure speculation as I haven't taken the keyboard out to have a look).
    • I take back my earlier assertion that LED backlights don't require much power. There is a 300mAh increase in power draw when the backlight is taken up from minimum to maximum. That's an increase in total power consumption of ~30%. I'm surprised. I don't remember the backlight making that kind of difference on the x301 and I'm not sure how you put that much power through an LED array anyway -- they just don't take much power. I guess I have a few things to learn about LED backlighting.

    I'm pretty sure that I'll stay with the T410s. So far there haven't been any disappointments that I wasn't already braced for and there have been several positive surprises. The difference in CPU speed is really more impressive than I expected -- it might be hard for me to go back now. :)

    For someone using an x301, I would suggest it only if enough of these factors add up:
    • The x301 screen is too small.
    • You need faster CPU speed.
    • You need eSATA.
    • You need a docking station.
    • You need multi-touch (screen and/or touchpad).
    • You need discrete graphics.

    There are some other, smaller perks like the noise-canceling dual-mic setup and integrated card reader but I'm not sure anyone would switch for that alone.

    For me, I was in it for the eSATA and discrete graphics, but I've been won over by the faster CPU speed as well.

    Things you'll loose if you leave the x301:
    • Somewhat better audio.
    • A somewhat better screen.
    • Somewhat better battery life.
    • The wonderful rubber coating on all the contact surfaces.
    • The reduced weight and size (could be a factor on planes too).
    • Two side-mounted USB ports.
    • Separate headphone/mic jacks (they are unified on the T410s).
    • A silent fan.

    I just switched to full-time discrete graphics a couple hours ago. I'll have more to report on that soon.

    -darren
     
  8. MikesDell

    MikesDell Notebook Evangelist

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    Thanks for the updates !

    Seems to me that (at least until the end of this year), I'll be sticking with my X301.
    I mostly use my X301 for travel anyway, whereas my T61 is my laptop I'm always using, everyday for 4+ hours since I bought it. So my next laptop I get will be to replace the T61. More than likely a T410s, (or probably by then a T420s or T430s lol).
    Thanks again for the valuable information !

    Mike
     
  9. vinuneuro

    vinuneuro Notebook Virtuoso

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    Darren, thanks for the outstanding review and even better writing.

    You have me a little perplexed that general usage is snappier with the faster processor. Is it possible the ssd in the T410s is better than what's in the X310. SSD speed has been rather disappointing in my experience with the X301 thus far compared to the Scorpio Black in my T400.
     
  10. MisterWuf

    MisterWuf Notebook Enthusiast

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    Mike, the T4x0s would be a GREAT replacement for the T61. I would like to see the whole T line go in this direction -- it's kind of a return to the T4x 14" form factor but it's much more rigid than those older models.

    vinuneuro, I was a little surprised by the performance boost as well. I thought that the drive was the bottleneck with app startup, but apparently there was some processing in there as well. I moved the SSD over from my x301 which rules out the drive as a variable.

    What model SSD do you have? I know that the first two generations of SSD had issues, but the most recent crop of controllers seem to work well. I can wholeheartedly recommend the Intel SSD. It's a screamer!

    I was slow to come on board with SSDs because of the issues with early controllers, but I'm a convert now. It's faster than any HDD I've used in a laptop, and the elimination of vibration and heat is just as important to me. I remember going through multiple 7200rpm laptop drives to find one that didn't vibrate too much for my taste. Man am I glad those days are passed! :)

    -darren
     
  11. uniquestco

    uniquestco Notebook Evangelist

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    Much appreciated. Very well written. For someone who's currently searching hard for a thin/light notebook you answered every question I had.

    Sad to says screen comments make it a deal breaker for me. The first and most important thing in a computer for me is the screen, even ahead of the keyboard.

    Arguably this should be the case for everyone. I wish consumers would somehow insist on better displays in notebooks, complain like hell. But for some reason it's an acceptable let down and manufacturers continue to save a few dollars using lower quality displays than they should be. After all we stare hours at a screen, it's 2010 now, the display standards are much lower than they should be, imo. Apple seems to be able to do, both with their anti glare and glossy displays, they're beautiful regardless of the resolution.

    I returned an x301 and then an x201 only because of the poor displays, if the t410s is worse then it's not an option. Yet I read online review that said the t410s is better than the x301 ....

    The X301’s screen comes off as lacking in contrast and color intensity compared to the T400s. You will suffer a bit more of “wandering syndrome” as I call it, where you will find yourself minutely adjusting the LCD back and forth a bit to find that optimum angle. It does get sufficiently bright, but not as bright as the T400s and regardless of brightness, just doesn’t impress when sitting next to the T400s.

    ThinkPad Comparison: T400s vs X301 | Thinkpads.com - News, Reviews, Coupons, Deals on ThinkPad & IdeaPad Laptop computers

    - needless to say I take those online reviews with a grain of salt.

    Either way it sounds like the displays on the x301 and the t410s are both substandard .... so off I go continuing to look for an ultra portable with a good display ....
     
  12. tay

    tay Notebook Consultant

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    I will say that the intel SSDs (g2) are lightning fast. The X301 toshiba drives are 1) slower and 2) lack trim...essentially meaning they will slow down over time. So yes, that could contribute to the snappier feel.

    My 410s is ridiculously snappy. It is both thin and light, though if you really really traveled a ton, you might go lighter. My ideal machine would have been an "x301s" upgrade, but alas, it never materialized with lenovo.
     
  13. vinuneuro

    vinuneuro Notebook Virtuoso

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    The ssd in my X301 is a Samsung SLC. In any case, I think Lenovo released a f/w update to add trim in the older MLC drives.
     
  14. MisterWuf

    MisterWuf Notebook Enthusiast

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    UPDATE: Two weeks In

    Display

    I was finally able to do a color calibration on the 410s (non-touch) display and WOW, what an eye opener. First a caveat: these results were for *my* display. Lenovo may source multiple brands of monitors for the 410s and every screen and backlight can be slightly different, although perhaps less so in this age of LED backlighting.

    Now the results. These are the curves that have to be *applied* to get the display colors to match a reference:

    [​IMG]

    As you can see, red and green are pretty close to the target, but blue is displaying 20% off the reference color throughout the whole range! I'm going to use profile created by this calibration, but anyone with a similar display can get similar correction by reducing the blue channel by 20% across the board.

    The difference is staggering and I'm shocked that it didn't jump out at me before.

    I ran the calibration at three screen brightnesses, 11 (which gets the brightness in range of the target suggested of 120cd/m2), 14 (which I like to use in the evening) and 15, which yielded a very high 301.1cd/m2. The black level changed, to a max of 2.4cd/m2 at 15 brightness, but the color curves were identical to my eye at every brightness. This is surprising to me, but encouraging because I can use one profile at all the brightnesses that I am likely to use.

    Speed

    I fired up the x301 today because I had to deactivate Adobe products on the old machine so that I could activate them on the T410s. I was surprised by the amount of time that the x301 took to boot and load my startup apps. Both machines are running the same Windows 7 drive image, with the x301 benefiting from the faster Intel SSD drive. Even with that advantage, the T410s is MUUUCH faster. :) If anyone is considering jumping from the x301 to the T410s, know that you will get a great deal of speed.

    HDMI + Audio

    I watched my first BluRay movie output to an external display via the DisplaypPort and an adapter that I bought to convert DP to HDMI. Once I activated HDMI audio in Windows, it worked flawlessly. The image came up at the proper resolution with no overscan, audio traveled to the external display over the HDMI cable and the laptop was muted. The laptop volume keys then controlled the external monitor. DP/HDMI on the x301 was limited to video only, so this is a big win for the T410s.

    Multitouch TrackPad

    A bit of a disappointment here. I wanted to use multitouch, but in the end it doesn't seem very well integrated in Windows 7 as a whole and the new, larger touchpad was too easy to bump. When I disabled sensitivity around the top and sides of the pad, the bumping stopped but then I found myself trying to use the touchpad starting in those zones which meant that it was, by design, unresponsive.

    Other features like launching programs with a two- or three- finger tap required a very deliberate tap which meant that I usually had to try two or three times. Keyboard shortcuts are much easier and quicker to access. Two-finger scrolling sounds great, but with the TrackPoint center-button configured for scroll, I never used it.

    I just turned the trackpad off.

    Fn Lock

    A bit of an oddity here. A BIOS features on all modern ThinkPads allows one to put the Fn key in a lock mode. In this mode, holding it down while tapping on a function key (one of the keys with a blue symbol) works as usual, but tapping the Fn key alone will lock it so that it will work in combination with the next key tapped as if the Fn key was held down. This is principally an accessibility feature to allow one-handed operation of the Fn key, but I found it a useful feature so I typically turn Fn Lock on.

    On the T410s, there is a bug with Fn Lock. For some reason, when it's on, I would press a key combination like Fn-RtArrow (which skips to the next song in a playlist), and then Windows would not see my next key press (tab key, first letter of a sentence or whatever). This is obviously not by design, but until it's fixed, disabling Fn Lock corrects the problem.

    All in all, I'm still very happy with the switch from the x301!

    -darren
     
  15. ThinkRob

    ThinkRob Notebook Deity

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    Stellar write-up, thanks!

    Just one comment:

    Well, they didn't. The X200s, T400s, X301 and T410s all use a carbon-fiber/plastic composite material for the cover. It yields similar resistance to downwards pressure compared to that of the "rollcage"-equipped models, but is notably less-resistant to torsion of the lid assembly when open.
     
  16. miliranga

    miliranga Notebook Consultant

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    Hmmm...interesting.
    I have a T410 and a T410s and when I have the lid open, computer turned on, with the T410 I can manage to produce some distorsion on the screen by pressing on certain areas of the outer lid while with the T410s I am unable to do so.
     
  17. halobox

    halobox Notebook Deity

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    Darren,

    What did you use to calibrate the screen? I think that would be very helpful for the W510's and other machines we have been receiving lately.

    Thanks
     
  18. MisterWuf

    MisterWuf Notebook Enthusiast

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    That would make sense. I didn't really care for the models will rollcages in the screens because of the bowing (pre-stressing) of the rollcage between the hinges and because of the thin plastic skin which always felt cheap to me. I didn't experience that with either the x301 or the T410s. I just presumed that they were doing a better job of it. Thanks for the clarification.

    It's a tool that I've had for several years. It's a GretagMacBeth (now X-Rite) Eye-One Display 2. The device costs less than $200, connects over USB and supports Windows 7. There may be better/cheaper/newer products available, though - I'll let others weigh in on that.

    -darren
     
  19. bdoviack

    bdoviack Notebook Consultant

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    Thanks again for the great review Darren,

    You really got me looking at the T410s as upgrade for my X301.

    One thing I am still unsure of is whether to go for the discrete graphics or not. When using your T410s, do you find a noticeable difference when you are using your onboard Intel graphics vs the discrete graphics chip? Are videos snappier, do windows pop "more crisply"? What's the biggest noticeable difference?

    On the inverse side, does only using the onboard chip result in a quieter computer (no fan running)?

    If you were to order your T410s again, is there anything you would do differently?

    Thanks again,
     
  20. MisterWuf

    MisterWuf Notebook Enthusiast

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    Well I may not have enough information to answer your question because I disabled switchable graphics on day two. :) The Nvidia card does draw more juice. I get about 2 hours battery life with casual use whereas the Intel garnered closer to 2.5 hours (IIRC). That said, the Intel chipset exhibits two irritating "features" (euphemism for "bugs") that I couldn't bear.

    1.) Every time I switched from AC to DC, the screen refresh rate was set to 50Hz. I could reset it, using Intel's control panel, back to 60 but it would not stay there if I repeated switching from AC to DC. At 50Hz, screen refresh during operations like scrolling is visibly different and I see no reason that this is forced to 50Hz, particularly when power manager has an option to do just that and I turned it off! [Note: this same exact behavior happened on my x301]

    2.) Intel uses an irritating technology to scale the display backlighting brighter and darker with the content being displayed on screen. A full-screen IE window set to Google's homepage (mostly white) will take the screen brightness up to full, but close that and return to a dark-colored desktop and the backlight will drop significantly, presumably to hide backlight leakage.

    I'm sure this suits someone's tastes, but not mine, and it makes working with graphics or video a huge problem because the contrast range is constantly dancing around. Fortunately, there is a Power Manager setting to disable this behavior. Unfortunately, it doesn't. At best it tames it a bit.

    I reported these as bugs to the folks who work on the Power Manager software, but haven't heard back. They may actually be problems with the Intel video management software.

    These two issues made the Intel (integrated) video unsuitable to me so I just switched the BIOS to use discrete video only which, I'm happy to report, works great for both regular Office apps and browsing as well as gaming. The fan is always on but isn't at all offensive to me and doesn't seem worse than when on the Intel video card.

    The only feature I miss is that the Intel card had an optional feature with some good logic for smoothing video artifacts that I haven't been able to find on the Nvidia card. Still, video looks very good so I'm not complaining.

    To sum up, if you get the T410s, get it for the speed -- it's a very impressive upgrade. I wouldn't get integrated graphics only because all of my problems were with the integrated graphics chipset. If you get switchable and they fix the problems then you can have the best of both worlds and if they don't, you can always fall back on the discrete chipset.

    If I had it to do over again I would get the same package. Right now it's the best offering Lenovo has for the way I work. The size difference hasn't been the shock that I expected it would be and the extra speed and utility (eSATA, SATA HDD in the UltraBay Slim) are a big plus!

    -darren