What do you expect for R650

Discussion in 'Architecture and Products' started by Shtal, May 16, 2007.

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What do you expect for HD Radeon X2950XTX

  1. Faster then G80Ultra about 25-35% percent overall

    23 vote(s)
    16.4%
  2. Faster then G80Ultra about 15-20% percent overall

    18 vote(s)
    12.9%
  3. Faster then G80Ultra about 5-10% percent overall

    18 vote(s)
    12.9%
  4. About same as G80Ultra

    16 vote(s)
    11.4%
  5. Slower thenll G80Ultra about 5-10% percent overall

    10 vote(s)
    7.1%
  6. Slower then G80Ultra about 15-25% percent overall

    9 vote(s)
    6.4%
  7. I cannot guess right now

    46 vote(s)
    32.9%
  1. Geeforcer

    Geeforcer Harmlessly Evil
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    So has anyone heard any rumors re. R650 tape-out? In the (somewhat extreme) case of R600 it seems to have been a year tapeout-to-retail gap.
     
  2. leoneazzurro

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    I spoke about development. But AFAIR, no tape-out rumors yet. But even so for G80 descendants.
     
  3. Geeforcer

    Geeforcer Harmlessly Evil
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    Which to me means one of two things: Either they have gotten much better at information control or the new hardware is ways off.
     
  4. AnarchX

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  5. Speccy

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    Interesting. There's not much been said about a G92 so far (even Wiki doesn't list it!) - has it taped out? Why not a G81 or even G90?
     
  6. fellix

    fellix Hey, You!
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  7. Star_Hunter

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  8. BRiT

    BRiT Verified (╯°□°)╯
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    That's fine and dandy, IF they gave some props out to the site and forums.
     
  9. Aerows

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    My hope for R650: The excellent image quality that ATI is known for, at competitive speeds.

    R600 is a bust strictly on image quality. The performance isn't stunning, and it looks like they tried to make up for that by playing around with the IQ. I don't know whether it is due to software or hardware, but it looks terrible. I don't even have to guess which card screen shots are taken on when I look at 1900XT vs. 2900XT or 2900XT vs. 8800GTS. I just point to the one that looks the worst to me out of the bunch and it's the 2900XT.

    Bring back excellent image quality and get rid of the blurry mess. Competitive performance is next in line to IQ - it doesn't have to be the absolute fastest, but it does need to be competitive provided that it looks great. It would be a bonus if it was power efficient.
     
  10. jamesnmandy

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    jesus christ...i cant take another one of these threads where people speculate for far far too long about what AMD will screw up next......sheesh!
     
  11. Shtal

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    As of this point, R650 is still mysteries what is really going to be.
    If you look back in history; Nvidia Geforce 3 NV20 was updated to Geforce 4 NV25.
    NV20 ---> NV25 to me was big improvement what Nvidia did back then. Also take a look at NV40/NV45 (GF6) was updated to NV47 (GF7).

    Well if we go back to ATI: R300 ----> R350 was very small core tweak, R520 ----> R580 was added 3:1 ratio for pixel shader processors.

    R650 will be @ 65nm which means not only the core be capable increasing frequency, but ATI should be able to add more horsepower since @ 65nm their will be availaible more space. (Example how Intel bump from Pentium4 90nm 1MB-L2 cache to ----> Pentium4 65nm 2MB-L2 cache)
     
  12. Colourless

    Colourless Monochrome wench
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    I expect a stupidly highly clocked GPU with high power usage. It will also use a HSF combo that everyone complains is too loud. Really, what was the last top end ATI/AMD card that people haven't complained about the noise or power usage.

    As far as performance, I'm going to say general case about the same as the Ultra some benches slightly faster, some slightly slower. Contrived ideal cases will be much faster, and contrived worse cases much slower.

    Filtering and AA will remain unchanged though performance of AA should be much improved.
     
  13. DegustatoR

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    I see two possibilities for R650 (assuming it's 65nm or smaller):

    1. R600 die shrinked and bugs fixed, higher clocks, GDDR4 (aka 'simple' version).

    2. R600 with increased number of units (but not drasctically; i'd expect something like 64->80 shader processors, 16->20 TMUs (40 filtering units this time maybe?), 16->24 ROPs, bugs fixed, higher clocks, GDDR4 (aka 'complex' version).

    I'd vote for the second one simply because i like complex versions more than simple 8)
     
  14. nicolasb

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    Is it publically available anywhere? Not necessarily legally? (j/k :cool: )
     
  15. elroy

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    Are you suggesting that we aren't going to see another big chip from AMD Rys? Instead, are they looking at multi-chip boards to fill the high-end, ala 3dfx??
     
  16. dizietsma

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    I expect it to be cooler and faster and to have really beefed up shaders.

    Before you say they don't need to beef up the shaders I agree totally, but history is on my side :D

    It's probably a medical condition they have.
     
  17. Geo

    Geo Mostly Harmless
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    Or maybe people ought to spend more time considering what the second 1/2 of his formulation might be suggesting.
     
  18. vertex_shader

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    55nm:wink:
     
  19. fellix

    fellix Hey, You!
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    Adding more ALUs is rather pointless at this time, although it's the easiest path to take on. It is evident, that the bottleneck is not there, as the numerous vertex/geometry benchies are showing considerable headway to G80.
     
  20. nicolasb

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    Fudo reckons R700 will be 55nm:

    http://www.fudzilla.com/index.php?option=com_content&task=view&id=1028&Itemid=1

    Consensus still seems to be 65nm for R650, though.

    I almost hope R700 won't be 55nm, because, if it is, that probably means ATI will simultaneously be changing chip design and process, which is always a recipe for trouble. Unless, of course, something else between now and R700 actually is 55nm. That'd be nice. :)
     
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