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    GT650M DDR3 vs GDDR5 difference tested!

    Discussion in 'Gaming (Software and Graphics Cards)' started by Supranium, May 12, 2012.

  1. Supranium

    Supranium Notebook Evangelist

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    I found one Chiniese Forum where both versions of the card are testen in benchmarks and games.

    DDR3 vs GDDR5 Á½ÖÖGT 650M²î¶àÉÙ£¿ - Ñ¡¼þÓëÍâÉè - רÃÅÍøÂÛ̳--רҵµÄ±Ê¼Ç±¾µçÄÔ¼¼Êõ½»Á÷ÉçÇø

    The cards run same GPU speed but:

    Card 1 has DDR3 clocked at 900mhz. Memory bandwith of 28,8GBs.
    CPU of the notebook is i5-2.
    Card 2has GDDR5 clocket at 1000mhz. Memory bandwith of 64.0GBs.
    CPU of the notebook is i7-2


    So heres the results:


    3DMVantage GPU score:

    DDR3 29671
    GDDR5 35334
    Difference +19%

    3DM11 GPU score:

    DDR3 2145
    GDDR5 2156
    Difference +0.5%

    Heaven 2.5

    DDR3 750
    GDDR5 777
    Difference +3.6%

    Games:

    Street Fighter 4

    DDR3 136fps
    GDDR5 163fps
    Difference +19.4%

    Resident Evil 5

    DDR3 66.5fps (weaker CPU bound)
    GDDR5 121.4fps
    Difference +83%

    Lost Planet 2

    DDR3 26.6fps
    GDDR5 31.8fps
    Difference +19.5%

    And a google translate:

    Discussion welcome.
     
    Supranium, May 12, 2012
    #1
  2. R3d

    R3d Notebook Virtuoso

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    Good post. I wish they did testing on some more games though. I wonder how high the 650m GDDR3 can OC.
     
    R3d, May 12, 2012
    #2
  3. Supranium

    Supranium Notebook Evangelist

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    I think it OCs to 1000mhz, but not much further. However GDDR5 can likely hit 1300-1400ish.
     
    Supranium, May 12, 2012
    #3
  4. Kallogan

    Kallogan Notebook Deity

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    I bought a lap with a GT 650M on board for a awful cheap price. Will test it soon.

    The lap has 1024mb on board so i assume it's GDDR5 cause DDR3 seems to come with 2048mb of memory.

    Anyway even if it's ddr3 performances seem awesome compared to previous gen.
     
    Kallogan, May 12, 2012
    #4
  5. Cloudfire

    Cloudfire (Really odd person)

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    I think you should be able to overclock this GDDR5 GPU up to 570M performance since GTX 660M is exactly there. And still enjoy the same cool temperatures as 660M. After all, 640M, 650M and 660M is the exact same card. :D

    Thanks for the benchmarks Supranium. Interesting to see how faster memory acts
     
    Cloudfire, May 12, 2012
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  6. Supranium

    Supranium Notebook Evangelist

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    GDDR5 GT650M is identical with GTX660M.
    Even bios flash should work. :)
     
    Supranium, May 12, 2012
    #6
  7. Cloudfire

    Cloudfire (Really odd person)

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    Nope, the cores run faster with 660M. You still have to overclock the 650M to reach same performance :)
     
    Cloudfire, May 12, 2012
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  8. Supranium

    Supranium Notebook Evangelist

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    lol.

    Read again and think before you post. ;)

    I was talking about flashing the GT650M with GTX660M bios. Obviously the card would run with GTX660M voltages and speeds if flashed.

    Ofcourse IF GT650M is not MXM version of the card, it probably will not work. However, it shouldnt harm to try, since u can always flash back from Intel IGP enabled.
     
    Supranium, May 12, 2012
    #8
  9. R3d

    R3d Notebook Virtuoso

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    Even if it were MXM, there's no guarantee that it'll run at 650m speeds. Depends on how well the particular chip is binned.
     
    R3d, May 12, 2012
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  10. Meaker@Sager

    Meaker@Sager Company Representative

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    Also depends if the power circuitry supports the new voltage.
     
    Meaker@Sager, May 12, 2012
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  11. Supranium

    Supranium Notebook Evangelist

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    Yes, theres several but´s.
    However, if flash works, it will run at GTX660M speeds ofcourse.
     
    Supranium, May 12, 2012
    #11
  12. maxheap

    maxheap caparison horus :)

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    I don't think a flash 650m to 660m will work, even if it crazily worked out, one of them is 75W the other is 45W, then the cooling solution of laptop would be dead I guess (assuming you buy 650m in an ultrabook)
     
    maxheap, May 12, 2012
    #12
  13. Supranium

    Supranium Notebook Evangelist

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    Ofcourse the safest solution would be just to OC 650M with AB for games which need additional juice. :)
     
    Supranium, May 12, 2012
    #13
  14. Cloudfire

    Cloudfire (Really odd person)

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    LOL great thread :p
     
    Cloudfire, May 12, 2012
    #14
  15. pterodactilo

    pterodactilo Notebook Consultant

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    Is 650M MXM 3.0b like 660M? I've found a seller on ebay that sells 660M mxm3.0b modules but my laptop is compatible with 3.0A only and I would like to upgrade the graphics card.
     
    pterodactilo, May 12, 2012
    #15
  16. R3d

    R3d Notebook Virtuoso

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    I don't think there are any mxm versions of the 650m right now.
     
    R3d, May 12, 2012
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  17. Kallogan

    Kallogan Notebook Deity

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    GT 650M is soldered on most laps i think. I asked DevilTech and their msi barebones have a soldered GT 650M. Same for GT 650M clevo barebone i guess.
     
    Kallogan, May 12, 2012
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  18. Supranium

    Supranium Notebook Evangelist

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    Yes. Clevo W150erq is soldered and has 1GB GDDR5.
    However, there should be MXM version coming soon, because Malibal said they will offer it on P150 soon.
    Perhaps they made mistake and its still GTX660M instead.
     
    Supranium, May 12, 2012
    #18
  19. jaug1337

    jaug1337 de_dust2

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    Nice find, thanks :D kinda sad there's such a difference..
     
    jaug1337, May 12, 2012
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  20. Kevin

    Kevin Egregious

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    The GTX 660M is indeed the card which is coming to the EM models.
     
    Kevin, May 12, 2012
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  21. Botsu

    Botsu Notebook Evangelist

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    Say, why did they use crappy resolutions (1280*720 / 1366*768) ? The higher the res the bigger the difference between the two is supposed to be.
     
    Botsu, May 12, 2012
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  22. Meaker@Sager

    Meaker@Sager Company Representative

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    native res of the screen, also likely the native res of the screen you will find this chip in.
     
    Meaker@Sager, May 12, 2012
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  23. Baenwort

    Baenwort Notebook Evangelist

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    I'm more interested in a more direct comparison such as between a w110er and a w150er as they can both have the same CPU.
     
    Baenwort, May 13, 2012
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  24. Supranium

    Supranium Notebook Evangelist

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    The difference will be about same. Only one of those games in test were CPU bound. In most games, same clock speed i5 = i7. Difference is non existant.
     
    Supranium, May 13, 2012
    #24
  25. jaug1337

    jaug1337 de_dust2

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    Kinda depends on the resolution, but yes.
     
    jaug1337, May 15, 2012
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  26. eats7

    eats7 Notebook Evangelist

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    so does anyone wanna try flashing to a gtx 660? :)
     
    eats7, May 16, 2012
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  27. neon10th

    neon10th Notebook Consultant

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    neon10th, May 16, 2012
    #27
  28. wild05kid05

    wild05kid05 Cook Free or Die

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    open the hood, count the vram blocks between two cards/boards.
     
    wild05kid05, May 16, 2012
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  29. Meaker@Sager

    Meaker@Sager Company Representative

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    DDR3 = 900mhz

    The higher speed is quoted for GDDR5.
     
    Meaker@Sager, May 16, 2012
    #29
  30. neon10th

    neon10th Notebook Consultant

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    Thanks for clearing that up. I'm kinda glad I have a GDDR5 GT650m now! +rep
     
    neon10th, May 16, 2012
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  31. eats7

    eats7 Notebook Evangelist

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    eats7, May 16, 2012
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  32. Meaker@Sager

    Meaker@Sager Company Representative

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    yep base clock 1000mhz which since GDDR5 gives you twice the bandwidth per mhz is quoted as 2000mhz
     
    Meaker@Sager, May 16, 2012
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  33. eats7

    eats7 Notebook Evangelist

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    so back to my original question, anyone brave enough to flash a gtx 660 image? :rolleyes:
     
    eats7, May 16, 2012
    #33
  34. wild05kid05

    wild05kid05 Cook Free or Die

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    Someone doesn't mind sending back for warranty just in case should do it :D


    Sent from my wholly molly new iPad using Tapatalk
     
    wild05kid05, May 16, 2012
    #34
  35. eats7

    eats7 Notebook Evangelist

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    i would totally do it but i havent gotten my new computer yet
    :p

    besides if it didnt work you would be able to flash it back from the intel gpu!
     
    eats7, May 17, 2012
    #35
  36. Meaker@Sager

    Meaker@Sager Company Representative

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    Since your graphics "Card" is a soldered chip, the video bios is integrated into the system bios most likely which means it's not so straight forward.

    Also you risk bricking the entire machine.
     
    Meaker@Sager, May 17, 2012
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  37. eats7

    eats7 Notebook Evangelist

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    been there done that.. haha, if you brick it, i just pulled the cmos battery for about a minute or two.
     
    eats7, May 17, 2012
    #37
  38. iPhantomhives

    iPhantomhives Click the image to change your avatar.

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    I haven't get mine too , still In Production :mad: I'm also brave enough to try :p
     
    iPhantomhives, May 17, 2012
    #38
  39. Meaker@Sager

    Meaker@Sager Company Representative

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    If you misflash the CMOS with bad code no amount of battery removal will work, you will have to manually remove the chip and manually program it.
     
    Meaker@Sager, May 17, 2012
    #39
  40. wild05kid05

    wild05kid05 Cook Free or Die

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    1. Extract system bios 2. Extract vbios 3. Struggle to decode the strings and edit the values 4. Compress everything back to normal 4. Flash 5. Hope


    Sent from my wholly molly new iPad using Tapatalk
     
    wild05kid05, May 18, 2012
    #40
  41. isniffglue

    isniffglue Newbie

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    Kind of silly question but i know no other place to ask regarding the gdd3 version.Would you expect it to run games like diablo 3 and guild war 2 on hd+ full details ? I`m about to chose between a laptop with the gdd3 version and a gtx 570m but i don't know what is the real difference between them :-s
     
    isniffglue, May 18, 2012
    #41
  42. Wu Jen

    Wu Jen Some old nobody

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    Go with the GTX 570m it's a faster card than the GT 650m.
     
    Wu Jen, May 18, 2012
    #42
  43. nissangtr786

    nissangtr786 Notebook Deity

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    Go with the gt 650m. Virtually the same performance but the gt 650m takes nearly half as much power consumption, has laptop designs in thinner form factors, better battery life and best of all you can OC it if you want performance. The 570m is about 30% more powerful but ten again the card should take around double the amount of watts to run 30% better.
     
    nissangtr786, May 18, 2012
    #43
  44. Baenwort

    Baenwort Notebook Evangelist

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    From here:

    This is on the same machine I have, the Clevo W110ER, which has a GDDR3 GT 650M.
     
    Baenwort, May 18, 2012
    #44
  45. isniffglue

    isniffglue Newbie

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    thanks a lot.your answers helped me :)
     
    isniffglue, May 18, 2012
    #45
  46. JoshPiger

    JoshPiger Notebook Enthusiast

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    Baenwort (and anyone else who could help) Im thinking about getting the Asus N56VZ and was wondering if it would have the same performance as it does on your clevo. It is also the GDDR3 version. Im not really very savvy when it come to graphics cards. I play Skyrim and sometimes Crysis and BF3 and want to make sure they will run well with it before i get it.
     
    JoshPiger, May 19, 2012
    #46
  47. Baenwort

    Baenwort Notebook Evangelist

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    If the N56VZ has a IVB Quad core and the 650M GDDR3 then it should run about the same. You're best bet is to find someone with that exact machine in the owners thread for it. I'm not following 15.6" and larger machines at all.

    Typically if a system has the same CPU/dGPU and >4GB of memory it will perform about the same for gaming. This is provided that the system is able to run everything at full speed with out heat or power issues causing throttling. From all I recall Asus typically doesn't have heat or power issues, and consequently, like Clevo, tends to have thicker and heavier machines as a result.
     
    Baenwort, May 19, 2012
    #47
  48. neon10th

    neon10th Notebook Consultant

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    I've heard that the GT650m has a problem with overclocking because of the turbo. Can anyone else confirm this?
     
    neon10th, May 20, 2012
    #48
  49. HaveFallen

    HaveFallen Notebook Geek

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    Curious on this as well..

    Also, I plan on oc'ing my 650m in my W110ER, good idea?
    .
     
    HaveFallen, May 21, 2012
    #49
  50. eats7

    eats7 Notebook Evangelist

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    what do you mean the turbo? the 600series has a turbo boost.. like the cpu's ?? :confused:
     
    eats7, May 23, 2012
    #50
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