2600XT (mini thread)

Discussion in 'Mac mini' started by wakerider017, Aug 20, 2007.

  1. wakerider017 macrumors 68000

    wakerider017

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    #1
    Sorry guys I am not going to read 500 posts to answer my question...

    Does the iMac actually have a 2600XT instead of a 2600PRO?

    And news about the card can be posted here so users don't have to spend 12hours reading that long thread...
     
  2. Eidorian macrumors Penryn

    Eidorian

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  3. AlexisV macrumors 68000

    AlexisV

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    #3
    Apple and OS X say Pro.

    Windows programs say XT.
     
  4. qtx43 macrumors 6502a

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    #4
    If you go to ati.amd.com you'll see that ati makes a desktop 2600XT and and 2600PRO, and a mobile 2600 and 2600XT.

    That is: There is no mobile 2600PRO, and despite Apple's specs saying they probably are mobile cards, not desktop cards. If you go to ati's specs for Macs, they have not been updated for the 2600 cards.

    It's some custom mobile thing made for Apple, in between a PRO and XT, but a mobile version, so performance is probably approximated by a desktop PRO, so that's what they called it. Or maybe a little better. You're just going to have to wait for people to go to the bother of benchmarking it more thoroughly. Or do it yourself.
     
  5. flopticalcube macrumors G4

    flopticalcube

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    #5
    As a condensed version of the long thread:

    the chip identifies itself as a Mobility HD 2600XT.
    the engine is underclocked by 100MHz from the Mobility XT.
    the RAM is underclocked by 15MHz.
    the 3dmark06 comes in at 3643 compared to the full Mobility XT of 4002.

    the desktop Pro part comes in so many variants and flavours that its difficult to make a performance judgment on it.
     
  6. wakerider017 thread starter macrumors 68000

    wakerider017

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    #6
    Awesome!

    Does anyone know what the 7300GT in the last gen iMac scored in 3DMark06?
     
  7. flopticalcube macrumors G4

    flopticalcube

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    #7
  8. superspiffy macrumors 6502a

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    #8
    but is there a 3dmark score for the 2600 PRO? I know it's probably with the GDDR2 anyway
     
  9. flopticalcube macrumors G4

    flopticalcube

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    #9
    Yes. http://www.theinquirer.net/default.aspx?article=41786

    It scores 3788 and has the following specs:

    MSI RX2600Pro, 600MHz core, 256MB DDR3, 1400MHz memory

    Nearly identical to the Mobility XT in the iMac.

    Interestingly PROs with DDR2 seem to score in the mid to upper 2000's whereas XTs with DDR4 do not score much above XTs with DDR3, so there is an engine limit. 2400XTs with DDR2 seem to score in the low 2000's or upper 1000's so they may be memory limited. It looks like DDR3 is the sweet spot. All 2600s seem to be firmware limited to 867MHz max engine clock.
     
  10. wakerider017 thread starter macrumors 68000

    wakerider017

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    #10
    Wow so the new card in the iMac in considerably better?

    Good news!

    I used to own the last gen iMac... Waiting on my new one to come :)
     
  11. shakastange macrumors member

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    Jan 24, 2007
    #11
    Maybe you should've read the 500 post thread. You would've seen that the previous iMac handily beat the new one in 3D benchmarks and games. Considering you have already ordered the new machine that might be unnecessary. But do check out www.barefeats.com for more benchmarks.
     
  12. rds macrumors regular

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    #12
    Pot. Kettle. Black.
     
  13. imacdaddy macrumors 6502a

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    #13
    They say it's an underclocked XT. The thread was actually a good read. One of the better threads here on MR. ;)
     
  14. wakerider017 thread starter macrumors 68000

    wakerider017

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    #14
    Ya, but I am betting that was the 7600GT, not the 7300GT which I owned...

    Not really fair people are comparing the 7600GT to the 2600PRO HD...

    The 7600GT was a BTO option...
     
  15. pcorajr macrumors 6502

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    #15
    Exactly, i think people need to understand that the problem is not they card they choose to put in the computer, but the fact that they did not offer any BTO like they did with the white iMac.

    Maybe in the future they will offer a revised model with the BTO. It sucks if they do but thats how it is in the technology world.
     
  16. SiliconDioxide macrumors member

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    May 15, 2007
    #16
    I will sum up the new imac. If you are a heavy gamer or a gamer that wants to play new games at max resolutions and max settings, the new imac is not for you. Unfortunately there is no apple made computer for you now. So either wait for apple to update the vid cards in the imac and mac pro, get a pc, or pick up an imac knowing that you might have to scale the resolutions and settings down a bit.
     
  17. fblack macrumors 6502a

    fblack

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    #17
    Actually it should be unfair to the 7600GT a year and a half old card v.s. a newer 2600XT card. The 2600XT is an adequate card, but its OSX drivers need tweaking and wether that will happen any time soon is speculation and debatable.
     
  18. flopticalcube macrumors G4

    flopticalcube

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    #18
    Very true. Its not just the OSX drivers that need work. The other problem is that the 2600 series uses a completely different architecture from the older X1600s. While there may be little or no improvement in older games, new ones optimized to the cards architecture should run better, theoretically.
     
  19. AlexisV macrumors 68000

    AlexisV

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    #19
    New Catalyst drivers came out a week or so after the iMac release but we can't get our hands on them until Apple updates Bootcamp or ATI releases them.

    All the Windows benchmarks are under out of date drivers.
     
  20. panzer06 macrumors 68030

    panzer06

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    #20
    Has anyone tried using the straight ATI drivers?

    We use the ATI drivers on the X1900 on our MacPro under Vista.

    I know the nVidia drivers do not work on my SR MBP 2.2 under XP.
     

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