ATI Vendor Supplied Radeon X1950XTX Benchmarks Leaked
Anh Tuan Huynh
August 9, 2006 12:07 PM
comment(s) - last by
Benchmarks provided to vendors for the Radeon X1950XTX CrossFire versus GeForce 7950GX2 Quad SLI - Click to enlarge
Radeon X1950 CrossFire puts Quad SLI in its place
has received early benchmarks of
ATI’s upcoming Radeon X1950XTX and X1950 CrossFire graphics cards
upcoming Radeon X1950XTX and X1950 CrossFire is expected to make its debut on August 23rd
. Specifications for the Radeon X1950XTX and X1950 CrossFire are finalized with a 650 MHz core clock and 2 GHz effective memory clock. The core clock is unchanged from the previous Radeon X1900XTX while memory clock receives a hefty 450 MHz boost. This time around the Radeon X1950XTX and X1950 CrossFire are equipped with
90nm Samsung GDDR4 memory
The benchmarks compare ATI’s Radeon X1950XT in CrossFire against
NVIDIA’s Quad SLI
. The test setup used for NVIDIA’s Quad SLI is a
Dell XPS 700 system
equipped with an
Intel Core 2 Extreme X6800
, 1GB of DDR2-800 memory and
two GeForce 7950GX2 graphics cards for four total GPUs
. The ATI CrossFire test system is identical with the Quad SLI system except the
nForce 590 SLI Intel Edition
motherboard was swapped out for an early
Radeon Xpress 3200 (RD600) motherboard
and two ATI Radeon X1950XTX/CrossFire graphics cards.
These early benchmarks are favorable to ATI. Call of Duty 2, Half-Life 2: Episode 1 and Serious Sam II heavily favor ATI, most likely due to better multi-GPU scaling on ATI’s side. FarCry, Quake 4 and Doom 3 performance shows the Quad SLI system creeping up to the performance of ATI’s X1950XTX/CrossFire system. However, the Quad SLI system still falls behind, close but no cigar. F.E.A.R. is the only game that can take advantage of Quad SLI and shows the Quad SLI system beating out the similarly configured X1950XTX/CrossFire system; though at 2560x1600 with 4xAA and 8xAF the X1950XTX/CrossFire takes the lead once again. With Elder Scrolls IV: Oblivion the X1950XTX/CrossFire system manages to take a nice lead over Quad SLI at 1600x1200 with 8xAF. The lead narrows when the resolution is raised to 2560x1600 with 8xAF.
While these early benchmarks show ATI’s X1950XTX/CrossFire beating out NVIDIA’s Quad SLI there’s more to the story. Since the benchmarks are only comparing performance with 4x anti-aliasing and 8x anisotropic filtering at most, it doesn’t show the true performance of NVIDIA’s Quad SLI. The true performance of Quad SLI being its capability to render high levels of anti-aliasing without taking a heavy performance hit.
Ryan Shrout at
has written an excellent article covering early Quad SLI performance
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RE: Let me get this straight
8/9/2006 6:15:54 PM
It's possible because you really start to get diminishing returns the more cards you run. You get more and more overhead, etc.
4 cards is generally not going to be twice as fast as 2 cards, just as an SLI rig is not usually twice as fast as a single card.
Plus the real issue is probably drivers. Syncing 4 cards is a huge pain so drivers probably dont get near full performance for a lot of game. Finally, dont forget the 7950 GX2 is underclocked vs a regular 7900 GTX.
Plus these are ATI benches. They may be a little biased.
I really hate Nvidia for pushing all this unwieldy crap on us. SLI is one thing, but now qaud SLI is just stupid. Fuck Nvidia. The EPA should ban the qaud SLI for not being friendly to the enviroment with all the juice it uses, it's absurd.
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