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Early AMD ATI "R600" Specs, Benchmarks Leaked

post #1 of 61
Thread Starter 
Quote:
Details of AMD's next generation Radeon hit the web

Newly created site Level 505 has leaked benchmarks and specifications of AMD’s upcoming ATI R600 graphics processor. The upcoming graphics processor is expected to launch in January 2007 with an expected revision arriving in March 2007. These early specifications and launch dates line up with what DailyTech has already published and are present on ATI internal roadmaps as of workweek 49.

Preliminary specifications of the ATI R600 are as follows:
  • 64 4-Way SIMD Unified Shaders, 128 Shader Operations/Cycle
  • 32 TMUs, 16 ROPs
  • 512 bit Memory Controller, full 32 bit per chip connection
  • GDDR3 at 900 MHz clock speed (January)
  • GDDR4 at 1.1 GHz clock speed (March, revised edition)
  • Total bandwidth 115 GB/s on GDDR3
  • Total bandwidth 140 GB/s on GDDR4
  • Consumer memory support 1024 MB
  • DX10 full compatibility with draft DX10.1 vendor-specific cap removal (unified programming)
  • 32FP internal processing
  • Hardware support for GPU clustering (any x^2 number, not limited to Dual or Quad-GPU)
  • Hardware DVI-HDCP support (High Definition Copy Protocol)
  • Hardware Quad-DVI output support (Limited to workstation editions)
  • 230W TDP PCI-SIG compliant
This time around it appears AMD is going for a different approach by equipping the ATI R600 with less unified shaders than NVIDIA’s recently launched GeForce 8800 GTX. However, the unified shaders found on the ATI R600 can complete more shader operations per clock cycle.

Level505 claims AMD is expected to equip the ATI R600 with GDDR3 and GDDR4 memory with the GDDR3 endowed model launching in January. Memory clocks have been set at 900 MHz for GDDR3 models and 1.1 GHz for GDDR4 models. As recent as two weeks ago, ATI roadmaps had said this GDDR3 launch was canceled.

Memory bandwidth of the ATI R600 is significantly higher than NVIDIA’s GeForce 8800-series. Total memory bandwidth varies from 115GB/s on GDDR3 equipped models to 140GB/s on GDDR4 equipped models.

Other notable hardware features include hardware support for quad DVI outputs, but utilizing all four outputs are limited to FireGL workstation edition cards.

There’s also integrated support for multi-GPU clustering technologies such as CrossFire too. The implementation on the ATI R600 allows any amount ofATI R600 GPUs to operate together in multiples of two. Expect multi-GPU configurations with greater than two GPUs to only be available for the workstation markets though.

The published results are very promising with AMD’s ATI R600 beating out NVIDIA’s GeForce 8800 GTX in most benchmarks. The performance delta varies from 8% up to 42% depending on the game benchmark.

When DailyTech contacted the site owner to get verification of the benchmarks, the owner replied that the benchmark screenshots could not be published due to origin-specific markers that would trace the card back to its source -- the author mentioned the card is part of the Microsoft Vista driver certification program.

If Level505's comments seem a little too pro-ATI, don't be too surprised. When asked if the site was affiliated in any way to ATI or AMD, the owner replied to DailyTech with the statement that "two staff members of ours are directly affiliated with AMD's business [development] division."
This setup looks very attractive. Expecially in a Bearlake motherboard! However, Dailytech has advised that there is a clear bias in the benchmarks and specs (you don't see Inquirer doing that).

http://dailytech.com/article.aspx?newsid=5524

I am suspicion of such performance increases from R600. This is because the 8800GTX bottlenecks so many systems. How can they claim a 40+% increase in performance when 8800GTX's in SLI bottleneck a overclock QX6700.
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post #2 of 61
"DX10 full compatibility with draft DX10.1"

Awesome.

to bad for the 8800'rs
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post #3 of 61
I think someone is confused in that article. They said GPUs could be put in clusters of x^2 in the beginning of the article, but later on they said multiples of 2. Those are two completely different number sets, with multiples of 2 making more sense.
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post #4 of 61
They probably meant x^2
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post #5 of 61
Thread Starter 
Unless you are considering putting in more than 4 GPUs, it shouldn't bother you.
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post #6 of 61
Well that is sorta promising for me. I am planning on purchasing an R600 (or R600+) around april, so, that would mean that I could probably score a first version cheaper, or even (if I have the cash) drop the bombload on a full-blown GDDR4 GPU. W00t.

This will be nice with the Q2 intel price drop, as well.

Excellent point about R600 beating 8800s by some 40%. It doesn't make sense at the rate CPUs bottleneck benches. Simply makes no sense. I, too, am quite skeptical...

I am still pissed I cant play oblivion on 1600x1200 with AA very well on an R600. However, 4x AA and 16x AA is a gruesome combo. It would probably be much better at 2x AA and 4xAA. Perhaps then a single R600 would suffice. =)
    
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post #7 of 61
Quote:
Originally Posted by killnine View Post
Excellent point about R600 beating 8800s by some 40%. It doesn't make sense at the rate CPUs bottleneck benches. Simply makes no sense. I, too, am quite skeptical...
maybe they are using a new CPU we don't know about yet?? (K8l???) lol i wish
post #8 of 61
Holy hell. The card is going to be like 700 dollars!
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post #9 of 61
Quote:
Originally Posted by selectodude View Post
Holy hell. The card is going to be like 700 dollars!
I will DEFINITELY stick with NVIDIA if that's the case.
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post #10 of 61
Quote:
Originally Posted by stargate125645 View Post
I think someone is confused in that article. They said GPUs could be put in clusters of x^2 in the beginning of the article, but later on they said multiples of 2. Those are two completely different number sets, with multiples of 2 making more sense.
I thought x^2 was for CPU's, and pairs of two was for GPU?
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