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Performance in First-Person 3D Shooters

Battlefield 2142

This game doesn’t support display resolutions of 16:10 format, so we use resolutions of 1920x1440 and 2048x1536 pixels (4:3 format) instead of 1920x1200 and 2560x1600 here.

It is clear that the frame rate is not limited by the HIS HD 4870 X2 in this game notwithstanding 4x FSAA. The average and bottom speed are almost the same at every resolution, and there is no benefit from overclocking. The Radeon HD 4850 CrossFire subsystem and Nvidia’s GeForce GTX 280 behave in a similar way, the latter being even preferable in terms of power consumption and heat dissipation.

BioShock

BioShock doesn’t support FSAA when running in Windows Vista’s DirectX 10 environment. We benchmark graphics cards without FSAA in this game.

CrossFire related problems have been corrected in the new version of ATI’s Catalyst. CrossFire tandems consisting of two standalone Radeon HD cards now deliver good performance in this game. Particularly, the Radeon HD 4850 CrossFire subsystem is no worse than the Radeon HD 4870 X2 at resolutions up to 1600x1200/1680x1050 inclusive. The flagship of the Radeon series goes ahead at the higher resolutions, but the gap isn’t large. It amounts to 25% at 2560x1600 and the Radeon HD 4850 CrossFire provides a comfortable frame rate at that resolution, too. We guess the gap from a Radeon HD 4850 X2 would be even smaller.

The overclocking of the HIS card leads to a 5% increase in performance at the highest resolution. You just can’t expect anything more from a 50MHz increase in GPU frequency.

 
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