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Crossfire HD 2900 XT vs. 8800 Ultra

By: Shawn Baker | AMD CrossFire Articles in Video Cards | Posted: Jul 6, 2007 4:00 am

Test System Setup


Processor(s): Intel Core 2 Duo E6600 @ 3GHz (333MHz x 9)


Motherboard(s): ASUS P5K3 Deluxe (Supplied by ASUS)


Memory: 2 X 1GB Corsair XMS3 DDR-3 1066MHz 7-7-7-21 (Supplied by Corsair)


Hard Disk(s): Hitachi 80GB 7200RPM SATA-II


Operating System: Microsoft Windows XP Professional SP2


Drivers: Nvidia ForceWare 158.22, ATI 47096 and DX9c


The Catalyst drivers still seem to be having some issues with Crossfire so we have moved back to the 47096 driver which runs like an absolute charm. We didn't have two Sapphire HD 2900 XT cards on hand so it was time to try and do a bit of mixing and matching. With the MSI HD 2900 XT in hand, it slotted in and recognized Crossfire right off the bat. Following a reboot the setup ran like a charm. But how much of a charm? We will find out in just a second.


Crossfire overclocking, though possible is still unknown to just about everyone. While some people have managed to do it no one wants to let us know how they did, so we unfortunately didn't get to look down that path. What we did get to look at though is 2560 x 1600 gaming and a few other resolutions across a multitude of games.


So let's not ramble on anymore and roll out! Okay, that's the last time I say it, I promise!




Version and / or Patch Used: Build 130


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3DMark05 is now the second latest version in the popular 3DMark "Gamers Benchmark" series. It includes a complete set of DX9 benchmarks which tests Shader Model 2.0 and above.


For more information on the 3DMark05 benchmark, we recommend you read our preview here.



Straight away we can see in the older 3DMark05 that the Crossfire solution is able to outperform the Ultra. We can especially see as we move up in resolutions that the impact isn't as great. Hopefully this translates to the more intensive game tests.


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