Unreal Tournament 3 doesn’t need the power of two high-end graphics cards to get exceptional frame rates at high-resolutions and low-details, but the CrossFire advantage is still good for bragging rights. Once again, the old 975X wins because of its overclocked memory controller.

Cranking up the details does little to slow down UT3.

World In Conflict shows only the slightest CrossFire performance advantage when very low details are used.

At 2560x1600 and very high details, World In Conflict finally shows the bandwidth advantage of the P45 Express’ 2.0 slots, as compared to the 975X’s PCIe 1.1 transfers. Once again, a single x16 slot beats an x16/x4 CrossFire configuration in the P965 and P35 Express chipsets.

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It's all about answering the question "Will a second card do the job".
Lots of guys have midrange or better ATI graphics cards, and the question of "upgrade or replace" is constantly being asked.
Yes the x58 is out.
However, as it can not be paired with a Core 2 CPU and runs DDR3 exclusively, you can not directly compare the results.
In general, I would assume crossfire on the x58 will scale similarly to the x38/48 as they both have the same PCIe configuration.
It was planned for September but kept getting delayed due to tight deadlines on other articles. But when the economy finally went from a slow decline to a nosedive in November, we knew this article had to come out right away. More people are putting new systems on hold and looking for ways to keep their old ones up to current performance standards, and we care about upgraders just as much as system builders.
Altought, I have an Athlon X2 system, and probably gonna update to a I7 920. It would had be better comparing to an cheap i7 as a reference
You're right! The problem is trying to test a whole bunch of different resolutions. 1920x1200 is almost right in the middle between 1680x1050 and 2560x1600, so hopefully most people can figure out "about" where that resolution would fall on the charts.
Is it time to get rid of 1024x768? I'm in favor of ditching that resolution and picking a different one.