AMD Prepares Quad CrossFire
Anh Tuan Huynh
July 10, 2007 1:05 PM
comment(s) - last by
AMD RD790 naked shot (Source: HKEPC)
RD790 to gain triple and quad CrossFire capabilities
AMD is preparing to update its
aging 580X chipset
later this year with the
. The upcoming RD790 serves double duty as the
single and dual processor platform
of choice for AMD desktop products. RD790 introduces 41 PCIe 2.0 lanes to AMD’s Socket AM2+ platform for Stars-family processors.
Motherboard manufacturers can distribute the PCIe lanes in many configurations, including four PCIe 2.0 x16 slots with eight-lane signaling. With all 41 PCIe 2.0 lanes, the RD790 chipset has a TDP up to 10-watts. AMD roadmaps reveal the multiple PCIe 2.0 slots are used for an improved CrossFire multi-GPU technology. The improved CrossFire multi-GPU technology supports up to four ATI Radeon HD 2900 XT graphics cards in
Quad CrossFire configurations
Unlike NVIDIA’s SLI, which supports dual or quad graphics cards in SLI, the improved CrossFire solution can take on three cards for improved performance. AMD claims CrossFire scaling with three cards yields a 2.6x performance increase. Two cards in CrossFire yield a 1.8x performance improvement. AMD roadmaps do not divulge how well CrossFire scales with four GPUs.
Expect RD790 to arrive later this year in time for the
AMD Phenom product launch
in single and dual processor configurations.
This article is over a month old, voting and posting comments is disabled
7/10/2007 1:15:49 PM
4x2900XT? That's 1000 Watts of power consumption just for video, and that doesn't even figure in overclocking!
I guess it would be fun to dim every light on your block, though...
RE: Quad 2900XT?
7/10/2007 6:45:32 PM
Don't forget that a 4x2900XT user might also go for a dual CPU slot solution ... with dual QUAD cores. Gives AMD an 8 CPU x 4 GPU solution.
If the Electric wasn't already stretched ... I think the electric company should give out these monsters just like cell phone providers give out free phones :)
RE: Quad 2900XT?
7/11/2007 8:34:29 AM
That's not 1,000watts more like a little under 800Watts.
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