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GT 550M with 144 cores ??

Discussion in 'Dell XPS and Studio XPS' started by Wendellh, Apr 3, 2011.

  1. Wendellh

    Wendellh Notebook Enthusiast

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    Hi all,
    Recently received my L702x with the following specs:
    i5-2410M
    17.3 HD+ WLED TL (1600x900)
    8GB 1333MHz DDR3 SDRAM (2 x 4GB)
    1G NVIDIA® GeForce® GT 550M

    I am a little puzzled though, when i run GPU-Z and nvidia inspector It shows that my GT550 has 144 shaders instead of 96 and note in the screenshot the core speed is only 475? Am i missing something here or is this almost like a cutdown GT555? Anyone else have this strange issue?
    Note: I have overclocked the core and memory a bit :)
     

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  2. [-Mac-]

    [-Mac-] Notebook Deity

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  3. Wendellh

    Wendellh Notebook Enthusiast

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    Ah sweet thanks, so it's not just me then, i was hoping some of the guys on this forums with the same GPU will be able to shed some light on this matter.
     
  4. Tsunade_Hime

    Tsunade_Hime such bacon. wow Super Moderator

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    Maybe a glitch? Only the 555M is to have 144 but that has 1.5 GB VRAM.

    Your core clocks will be downclocked when your system is idle.
     
  5. Wendellh

    Wendellh Notebook Enthusiast

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    Well I removed the beta nvidia drivers and put the default dell drivers on but it still shows the same 144 cores. Bizarre actually but I guess I shouldn't complain ;-)
     
  6. Tsunade_Hime

    Tsunade_Hime such bacon. wow Super Moderator

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    Well you might want to test out those "extra" shaders. No point of jumping for joy if you possibly have a defective GPU. ;)
     
  7. Wendellh

    Wendellh Notebook Enthusiast

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    Here are some benchmarks from 3dmark 06/vantage/11 using default settings and in some instances with an overclock from 475/900 to 500/940. It seems to run pretty well I must say, but I havent seen anyone else's 550 scores for comparison.
     

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  8. Wendellh

    Wendellh Notebook Enthusiast

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    So did a bit more overclocking right up to the max that MSI afterburner can do on the core. Still no artifacting at these clocks which is great I also didnt push the memory too high. Got some pretty good results for a 550 I would think. Any comments?
     

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  9. Corvette53p

    Corvette53p Notebook Enthusiast

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    Mine shows 144 unified as well. This is a pretty decent mobile video card and still performs strongly. It also runs very cool from what I've seen so far. Temps haven't gone above 66 degrees Celsius and regularly hovers around 60 while playing games.
     
  10. Wendellh

    Wendellh Notebook Enthusiast

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    Hey Corvette nice to see someone else is in the same boat as me :), agreed i am totally loving the performance, it just makes me wonder are our cards locked GT555 or something. The card does run nice and cool, even with it overclocked to 620core and 980mem it still gets to about 62-66max degrees after an hours play of Crysis 2 awesome stuff
     
  11. lamer01

    lamer01 Notebook Consultant

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    Sounds like you guys are getting 555Ms instead of 550M. The 550M has 96 cores and the clockspeed is much higher (about 740Mhz).
     
  12. Azal

    Azal Newbie

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    I am on the same boat. L702x with GT 550 with 144 cores. Is that normal?
     
  13. yarosus

    yarosus Notebook Enthusiast

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    Just received xps 17 3d, i7-2720qm, 4gb, 500gb, GT 500m and also have 144 shaders..
     
  14. misio9

    misio9 Newbie

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    Same here GT 550 and 144 cuda cores.
     
  15. yarosus

    yarosus Notebook Enthusiast

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    3DMark06 scores:
    By default: 9352
    OC 620/1240/960: 11366
    Not bad ;)
     
  16. Wendellh

    Wendellh Notebook Enthusiast

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    Nice to see there are more of us with these cards, I wonder why there is still no information on a 144 core GT550 information anywhere on the net about it. Nice scores Yarosus, pretty similar score to what i was getting overclocked, couldn't push my memory past 980 though, which is still pretty impressive.
     
  17. yarosus

    yarosus Notebook Enthusiast

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    I pass memory to 1040, but difference in 3dmark06 was in couple points.
    I believe we can OC core speed more and probably until 760. But with MSI afterburner we can't. Anybody know some other good OC tools???
     
  18. veenie

    veenie Notebook Geek

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    still not close to a standard GT555M.
    mine score just out of the box 12221. no OC or anything else.
     
  19. yarosus

    yarosus Notebook Enthusiast

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    You have non-3d display.
    With 3D dispay and stock GT 555M you will get about 11300 in 3dmark 2006
     
  20. Corvette53p

    Corvette53p Notebook Enthusiast

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    EVGA Precision allows you to increase the core clock to 760 but the screen goes black. I suspect this is because the voltage is underclocked for the card so hopefully someone figures out a way to unlock the voltage. Right now I'm testing the stability with a core clock of 680.
     

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