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    GeForce GTX 675M (4,096MB) vs AMD Radeon HD 7970M (2048MB)

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by Notabrawd, May 10, 2012.

  1. Notabrawd

    Notabrawd Notebook Consultant

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    Weird my text didn't actually post. But it was supposed to be this:


    Well, we know the 7970m beats the 675m with the same amount of video memory. But anyone know how the 675 with 4GB fairs against a 7970 with 2GB?
     
    Notabrawd, May 10, 2012
    #1
  2. Karamazovmm

    Karamazovmm Overthinking? Always!

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    it doesnt matter the amount of vram, it wont improve the performance, it will still be faster by a decent amount
     
    Karamazovmm, May 10, 2012
    #2
  3. Mobius 1

    Mobius 1 Notebook Nobel Laureate

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    The 675M (rebranded 580m) won't use memory effectively beyond 2GB, because the chip is too weak.

    The 7970M will eat the 675M.

    Also, I wasn't aware that a 4GB GTX 675M existed?
     
    Mobius 1, May 10, 2012
    #3
  4. 5482741

    5482741 5482741

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    MSI just released one.
     
    5482741, May 10, 2012
    #4
  5. Notabrawd

    Notabrawd Notebook Consultant

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    MSI GT70 (eta June) sports a 4GB 675m

    Seems a bit odd they would even make it, if it won't use the memory above 2GB. I recall there used to be some 560s that had like 3072MB
     
    Notabrawd, May 10, 2012
    #5
  6. Mobius 1

    Mobius 1 Notebook Nobel Laureate

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    Maybe just to increase the buy factor.
     
    Mobius 1, May 10, 2012
    #6
  7. Notabrawd

    Notabrawd Notebook Consultant

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    Well, I found it working which is why I made this thread! :D
     
    Notabrawd, May 10, 2012
    #7
  8. maverick1989

    maverick1989 Notebook Deity

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    VRAM, effectively, is a staging area where data is stored before being read out by the HDMI/whatever to be displayed on a screen. Now if you have a 1GB VRAM as opposed to a 1TB VRAM, if your GPU itself cannot fill 512MB of the ram with its architecture and clock rates, your RAM size won't matter.
     
    maverick1989, May 10, 2012
    #8
  9. niffcreature

    niffcreature ex computer dyke

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    If you think about it, that goes without saying.
     
    niffcreature, May 10, 2012
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  10. Meaker@Sager

    Meaker@Sager Company Representative

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    Its about as worth as attaching 1GB of vram to the 7300GT, a complete and utter waste of time.

    If a fully fledged desktop GTX680 sees no noticeable increase going from 2GB to 4GB of ram then the 675M has a snowball's chance of hell of doing the same.
     
    Meaker@Sager, May 10, 2012
    #10
  11. Karamazovmm

    Karamazovmm Overthinking? Always!

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    what if hell freezes over? what are the P scores of hell? tell me!

    I tell you that hell in v2.0 has a p20k scores in 3dmark11, but Im counting charonte in there, so its cheating, hehehehe
     
    Karamazovmm, May 10, 2012
    #11
  12. Meaker@Sager

    Meaker@Sager Company Representative

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    The snowball already melted, it's too late.
     
    Meaker@Sager, May 10, 2012
    #12
  13. Karamazovmm

    Karamazovmm Overthinking? Always!

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    damn what if we count hydaspes?
     
    Karamazovmm, May 10, 2012
    #13
  14. long2905

    long2905 Notebook Virtuoso

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    is there a 4GB version of GTX 675M (580M)??? :|

    oh damn my bad, didnt read further down :p

    @R3d: scroll down man, MSI is gonna release one.
     
    long2905, May 10, 2012
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  15. R3d

    R3d Notebook Virtuoso

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    Yeah that's strange. Maybe the 4gb 675m isn't a rebranded 580m? Or maybe it's a typo?
     
    R3d, May 10, 2012
    #15
  16. Meaker@Sager

    Meaker@Sager Company Representative

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    No, just like the 3gb 570 and 670.
     
    Meaker@Sager, May 10, 2012
    #16
  17. Bullit

    Bullit Notebook Deity

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    It is excellent for CUDA/OpenCL calculations.
     
    Bullit, May 10, 2012
    #17
  18. leetl90

    leetl90 Notebook Enthusiast

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    Question: For a dominantly CAD usage laptop, should I get the 675m or the 7970? I'm looking to buy from Sager/Clevo.
     
    leetl90, May 11, 2012
    #18
  19. Mobius 1

    Mobius 1 Notebook Nobel Laureate

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    You should probably get a Quadro FX 5010M
     
    Mobius 1, May 11, 2012
    #19
  20. Deks

    Deks Notebook Prophet

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    Lol... not only do I find the re-branding of 580M idiotic, I find putting 4GB on it to be even more so moronic.
    Why not use that extra VRAM resource material to enhance the bus, or overall performance of the gpu?
    Like this it's just extra waste - oh wait, we live in an economic system that promotes wastefulness in the first place.

    Sigh... as others already mentioned, putting more VRAM on the gpu unless the chip/architecture can use it effectively is pointless.
    Going beyond 1.5GB or 2GB in a 'high end' mobile gpu I think would be utterly useless.
     
    Deks, May 11, 2012
    #20
  21. leetl90

    leetl90 Notebook Enthusiast

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    I have considered the Quadro series before but the price difference is insane. Decided to go with a gaming card instead.

    I have read that nVidia cards are better suited for CAD stuff. True on that? :confused:
     
    leetl90, May 11, 2012
    #21
  22. KCETech1

    KCETech1 Notebook Prophet

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    Depends on your CAD app, lots if them no longer give a darn and went OpenGL like Adobe did with CS6 meaning anything but kepler based GPU's are great. others are mostly CPU bound and tied to the first 2 cores if your CPU ( Autocad )
     
    KCETech1, May 11, 2012
    #22
  23. Cloudfire

    Cloudfire (Really odd person)

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    You know what they say: More (V)RAM is always good :p
     
    Cloudfire, May 11, 2012
    #23
  24. SlickDude80

    SlickDude80 Notebook Prophet

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    You guys have to realize (or you probably already do) that most laptop buyers don't know jack- about laptops or videocards. 4 gigs of vram on a 580m is completely wasted...but the average non-educated buyer will have bragging rights and think his next generation 675m with 4gigs of ram will smoke all the games out there. Its great for sales...not great for performance

    This just shows MSI sees that they need to do something because the 680m is still quite a ways out. Gawd forbid that they start offering ATI cards
     
    SlickDude80, May 11, 2012
    #24
  25. Botsu

    Botsu Notebook Evangelist

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    Lol, nvidia / MSi have truly hit rock bottom. Complete waste of time and money.
     
    Botsu, May 11, 2012
    #25
  26. Hendrick4life

    Hendrick4life Notebook Guru

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    Id still rather have a nVidia card than an ATI lol. Yet that is a discussion for another topic.

    I have to talk people outta buying flashy things all the time...what a cruel technology world it is for the uneducated it will eat you alive (and your wallet).
     
    Hendrick4life, May 12, 2012
    #26