In summary, the pre-release R600 is around 5% above the current 8800GTX in most tests, except the games, where it shoots up to 20% above the NV offering.
So, prepare for a very interesting battle when it finally comes out: not only will ATI further optimise the drivers, so will Nvidia, on top of faster overclockers' editions of G80.
The site lists the final R600 Specs 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 2^n number, not limited to Dual or Quad-GPU)
Hardware DVI-HDCP support (High-Bandwidth Digital Content Protection)
Hardware Quad-DVI output support (Limited to workstation editions)
Multi-GPU cluster solutions will be available for the workstation market only until March, 2007.
105,000,000,000 SOps (Shader Operations Per Second)
2,000,000,000 TCps (Triangle Calculations Per Second)
28 GTps (Gigatexels Per Second)
As you can notice, there the GDDR3 edition is in this list... Let's see what comes out on 22 January then! µ
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