Lenovo Legion Y740 17" 15"

Well.
The panel is LGD05E0. I think it's the same one everyone else with 17 inch and 9th gen cpu has.
As for GSync - when you exit out of hybrid mode, there are some GSync options that appear in NVidia control panel (they don't exist when the laptop is in hybrid mode...).

I guess it proves it's GSync?

 

A question - how do I check whether I have 80W or 90W version of GPU?

 

Run the Unigen Heaven Benchmark after installing HWINFO64 and watch the GPU wattage in HWINFO64.

Otherwise, what gpu and CPU?

 

scroll back a page... it's there. Based on the info posted, if you have 9th gen CPU then your rtx should be 90W variant vs 80w on 8th gen CPU.

 

I've got i7-9750h and 2080MQ combo...
This things runs a bit hotter than I've thought it would, actually. Fans are relatively quiet even during stress test, though. I prefer it the other way. (Loud fans and lower CPU temps)

Some numbers.
When running aida64 + furmark under balanced mode, CPU and GPU temps at 87C while temps 69C.
CPU keeps constant clock of 3493MHz.
GPU Power is at 80W and clocks around 800Mhz. (That's the behavior when stressing the GPU only as well).
Balanced mode ran about 20 minutes.

When switching to performance mode, CPU runs hotter a bit iwith spikes at 90 (highest I've got was 98) and average temps slightly below 90... Didn't have patience to run it for too long.
CPU clock is at 3593Mhz.
GPU power is at 90W (slightly less) with clock between 1000 and 1050 MHz.
I didn't run on power mode too long.

Playing 3 kingdoms on ultra settings at FHD had CPU temps 70C+ with some spikes at 80... GPU Temps were around 60 or slightly less.

Testing conditions. Rear part lifted, laptop itself on a stand.
Unvervolt of -150mv using TS.
Room temp is 24C (air conditioner).

Will play Witcher 3 on it tomorrow and post the numbers here, if someone's interested

Will train some models on it later, after I'm done playing. If you're interested in ML performance of this thing, let me know

For some reason, fan sensors are not displayed which makes me sad.

Are these temps normal? These are slightly higher then I've seen in reviews... Although clocks are also better.

 

Ok, i was interested in general impressions from the owners with the LG panel... so the contrast thing is not noticeable? Is it fair to say that you are very satisfied with the display?

I ask because i would like to buy that version...but heard the display looks kinda washed out because of the contrast ratio (i mostly do work, not gaming).

Thanks!

 

It has a little bit of light bleed from the upper right corner, which is not noticeable, at least for me, during daily use.
I wish the panel was brighter, but I don't have any means to measure it.
Except that, I am fine with it and haven't noticed anything that bothers me. It's okay with good viewing angles. Not a great one.

 

Ok thanks...brightness is not a problem for me..i run my displays pretty dim, i was mostly concerned about that low contrast ratio (low contrast makes pictures/videos look "washed out").

 

I haven't noticed that. I do advice you to get a seconnd opinion though.. LOL. My standards for displays are pretty low.

 

How are the i7 9750h units doing with thermals? Maybe you have some clues why I cant get any of y740 here in Poland? There are some 17inch left but I wanted 15.

 

Ok thanks, it remains an open question for me until i get 5-10 impressions or so

If anyone has 17 inch 9th gen Y740..please post display impressions

Just wait a bit more, they will come..if not you can buy from another EU country..transport is 10-20 EUR and you can return it..

 

BTW, if the screen is that important to you, I think 15 inch model 500 nits screen is pretty good, at least for a gaming laptop.

 

A bit of a warning to those deciding between the 1660ti and 2060 versions. My 1660 ti 15" model (81UF0000US) arrived and there is no way to enable GSYNC on the built in display. Switching between hybrid and discrete mode along with updating drivers did not fix it. Apparently other people noticed the same: https://forums.lenovo.com/t5/Gaming-Laptops/Legion-y740-enabling-G-Sync/td-p/4477224

So if you value GSYNC and are considering the 1660ti model it might be good to hold off until things are fixed.

 

What is understood is that there are different display-panel options for G-Sync and non-Gsync. Aka 2 different panels for each version (15 inch and 17 inch).

 

True, but the option I ordered specifically stated gsync in the description (and still does on the order page). So they need to fix the order page, or fix the drivers. I don't have the panel code handy since I'm at work but I believe it matched other 15" 9th gen models that have GSYNC enabled.

 

Looks like a new bios version is out for 8750h models, 1.10.

"Improve user experience and fan cooling function." is the only change. Seems like our voices were heard. Anyone see any improvements?

Edit: false alarm, it didn't add back FN+q max fan or anything. Similar meh performance, lazy fan profiles, etc etc.

 

Could you please post your display panel? HWINFO -> Monitor

I ask in order to confirm there are separate panels for g-sync and non-g-sync

Also i asked a person in the online-store if the y740 17 inch 1660ti i planned to get had g-sync and they told me yes, however looking up the product number got me a Lenovo datasheet that didn't mention g-sync..so that may be the case with yours..a mistake..

 

Does it differentiate fan profiles between quiet / balanced / high performance at least?
Jarrod's Tech review was strange... same 49dB in all modes.

 

BfV had my 9750 in the 80s... Lol thanks bios updated.

 

I'll check it tonight again, I remember it was a BOE panel but forget the full string. Checking Lenovo parts lookup it seems like the Y740-15IRH and Y740-15IRHg models have the same replacement panel part number so my guess is there isn't a panel difference. The IRH model likely just is missing a BIOS flag or something that disables G-Sync, which if true is very annoying since it's otherwise the exact laptop I wanted.

 

I can confirm in my case that rolling back to 1.5 has fixed my temp issues

 

The panel is BOE083B.

 

Thanks.

 

Where did you find the v1.05 file? I would like to downgrade as well.

Edit: Never mind, found it here: https://download.lenovo.com/consumer/mobiles/bvcn09ww.exe

 

Lolol Google cached version of the site Is where I got mine LOL

 

Soo, if you get the right BIOS the temps are decent with i7 9750h? How much bloatware there is and is it hard to get rid of it? I'am really looking into this model, maybe it does not have the looks for me but it is good overall. Is there big difference between 15 inch and 17 inch in temps?

 

I have just started testing my 15", at stock with 1.05 temps were hitting 95C on a few CPU cores with Ghost Recon Wildlands which is a pretty CPU intensive game. I did a quick -100mV undervolt using throttlestop and it seemed to kick temps down to 86C which is a good start. Haven't really compared it to others yet and I haven't tried any other games, hopefully I can play around a bit more with it on the weekend.

For bloatware I removed McAfee since I just use the built in Microsoft AV, I haven't seen much else on there yet besides a few Lenovo Utilities. Disabling Lenovo's auto update is recommended otherwise you can get a new BIOS pushed out without warning.

Can't really comment on 15" vs 17".

 

I'm seeing a BIOS update released on July 31st posted here. https://support.lenovo.com/us/en/downloads/ds506181

Is that an update to the previous BIOS update released back in June?

 

I also have a newly delivered Y740 15" with the 1660ti gpu. One of the reasons I bought this was because of the G-Sync capability. On the order confirmation email that I have from Lenovo it does state that what I bought is G-Sync. I paid for the premium support with the laptop so I called them today and was told, "The laptop has this turned on by default so there's nothing you need to do. It is already active." Obviously this is ridiculous. G-Sync does not currently work. I don't know if there is some kind of escalation for support, but I'm going to start looking at options for returning in the coming days if I can't get a better explanation. It would be great if this is just a BIOS fix....

 

Have you confirmed it is enabled in NVidia Control Panel? If so there is a option under the display menu to show a GSync indicator when it is active. Not sure if you set that on.

Mine came enabled from the factory and I didn't need to do anything. Just a thought.

 

What CPU do have? 8th gen or 9th gen?

 

A question to 9th gen owners, preferably 17 inch model. What temps are you getting during AIDA64 stress test? What CPU clocks? With what undervolt? At what mode are you running (Balanced/Undervolt?). I stress memory as well, but haven't noticed differences.
I am on last bios - 1.06.
When on performance mode: I see mine hitting slightly below 90C and getting ~3.8 on CPU which seems a bit high with -150mv undervolt on core, -125mv undervolt on cache and -100 unvervolt on iGPU if I compare to what other people report online and reviews. With -180mv on core temps stay the same, and CPU goes around ~3.9Ghz. I haven't noticed differences between balanced and performance modes when stressing CPU only.
When stressing both CPU and GPU (AIDA64 + Heaven at 1600 * 900 resolution with highest settings), my CPU is around 3.5-3.6Ghz, hits 92-93C, with power draw of ~49-50W while GPU draws around 90W and 75C max on GPU and ~ 1400Mhz on GPU. (Performance mode). When going to Balanced mode, CPU and GPU both drop by ~100Mhz with and ~5C on temps.
All of that while browsing.
Are these temps high? Or I am "worried" for no reason?

 

Your temps are fine, dw bout it.

 

What about idling? I am usually slightly below 50C. Never seen hit below 45C...

 

9th

 

Unfortunately there are no options for GSync in the Nvidia Control Panel for me. I’m pretty sure it should have a GSync setup option under display properties, but there doesn’t seem to be any GSync indicators at all in the Nvidia Control Panel.

 

What do you mean by Thermal issues got fixed?
1.05 for 9th gen still doesn't have max fans options.
Are you saying that previous bios was better, even without the max fans? Or you installed the bios for 8th gen?

 

The specs on https://psref.lenovo.com/Detail/Lenovo Laptops/Lenovo_Legion_Y74015IRH?M=81UF0000US don't list G-Sync unfortunately, so a quick fix is unlikely despite all the hardware seemingly being able to support G-Sync as the panel part number is the same as the G-Sync models. I suspect all that's missing is a BIOS flag to enable G-Sync, but who knows if and when they will ever fix it.

I tried to do an exchange for a G-Sync model and would have been willing to pay a small upgrade fee but they said exchanges are against their policy and if I am unhappy I can return it. That's not really an option since I got this on sale and there isn't comparable pricing at the moment.

 

I don't know... When I compared to notebookcheck review, their temperatures were by 10-15C lower on average, except witcher (when playing witcher at maximal settings, my temperatures match their). While I did get higher CPU clocks they don't undervolt... Wondering if its somehow related to the ability to have the fans go at max speed that was removed in rescent bios updates for 8th gen machiens , and never was available
for 9th gen machines...

**********************************************************************************************
A question to to 8th gen owners with older bios version.
Are you able to get clocks to run at max during stress test?
I think that higher temps with recent bios versions are caused by higher turbo clocks on CPU.
I've comared with 1.07 bios owner - he was getting significantly lower temps, but lower clocks too. When I limited my clocks to the ones he had, I got similar temps.
I guess max fans improve thermal performance and it's a shame this option got removed...
But I still think that the reason for higher temps is that newer bios versions just prioritize higher clocks and quiet operation over low temperatures.

Thoughts?

 

In case any one was intetested, here is some gameplay. This is 15' y740 with RTX 270 MQ.

 

1.05 actually spools the fans up for me. 1.06 takes to long on the ramping and heat has already soaked in.

 

https://support.lenovo.com/us/en/downloads/ds506181

Lol wut??

 

Yes, you are right. Should be a GSync Setup section. I thought maybe for some reason it may have been disabled or not checked. I thought both panels (300 nit and 500 nit) were GSync. At least the US Lenovo site indicates that they are. I have the 300 nit panel and it does.

 

Are you guys saying G-sync does not work on any Y740 machines?

 

G-Sync does not work on the 1660ti. It only works on 2060+ Y740s

 

Have you noticed any difference in clock speeds? What clocks are you getting during stress tests? (In case you ran any...).
If you don't mind.. What temperatures were you getting with 1.06 bios and what temperatures are you getting after reverting?
Thanks.

 

I confirmed G-sync on my panel using the demo here https://www.nvidia.com/coolstuff/demos#!/g-sync

I can confirm if the test is real and actually works I did notice screen tearing when i disabled g-sync from the demo.

 

Hey everyone. I've asked a question regarding thermal performance in another thread on this forum. If anyone here can and willing to answer it, I will really appreciate it.

http://forum.notebookreview.com/threads/need-an-advice-should-i-try-to-exchange-my-y740.829973/

Long story short - I am concerned with my temps reaching 90s during combined CPU /GPU load. (I am not talking about short spikes). Are these temperatures too high and could possibly indicate that I've got a faulty unit? I have 2080 max-q GPU if it matters.

 

Can anyone with the 9th gen and 1TB SSD tell me what ssd it is? You can see with Crystal Disk Info.

Also pls mention if the 17 inch vers or 15 inch, thanks!

 

Also 9th gen 17 inch owners..how matte is the display? How well does it handle reflection/light? Thanks.