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Performance in Third-Person 3D Shooters

Devil May Cry 4

Being ahead of the GeForce 9800 GTX+ at first, the Radeon HD 4670 CrossFireX falls behind it as the display resolution grows up. The gap is as wide as 12% at 1920x1200. However, it is in this test that the CrossFireX tandem shows outstanding scalability. The average frame rate grows up by almost 120% at 1280x1024. The tandem looks appealing considering the minimum cost of a second Radeon HD 4670.


Single graphics card


CrossFireX

Although such a high growth of speed looks suspicious, our brief check of image quality revealed no difference between a single Radeon HD 4670 and two such cards working in CrossFireX mode.

Prince of Persia

Like in the previous test, the effect from joining two Radeon HD 4670 cards into a single CrossFireX subsystem is very high: the tandem can be 125% faster than the single card in terms of average performance. The bottom speed doesn’t scale up so well and is no higher than that of the Radeon HD 4850. Therefore the resolutions above 1280x1024 are still unplayable on the CrossFireX configuration.


Single graphics card


CrossFireX

Like in Devil May Cry 4, there is no difference between the single card and the Radeon HD 4670 CrossFireX in terms of visuals, so we can’t say that ATI uses some optimizations to increase the performance of its multi-GPU solutions at the expense of quality.

 
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