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Half-Life 2: Episode Two

The Radeon HD 4850 doesn’t beat the GeForce 9800 GTX in this test, but delivers comfortable performance in every tested resolution. The new card is also ahead of the Radeon HD 3870 X2 in the first two display modes, which is an achievement considering how different these solutions are in terms of price, power consumption and heat dissipation.

The Radeon HD 4870 nearly overtakes the GeForce 9800 GTX: the gap amounts to 2-5% depending on the resolution. That’s a negligible difference.

S.T.A.L.K.E.R.: Shadow of Chernobyl

The game doesn’t support FSAA when you enable the dynamic lighting model, but loses much of its visual appeal with the static model. This is the reason why we benchmarked the cards in S.T.A.L.K.E.R. using anisotropic filtering only.

S.T.A.L.K.E.R. is optimized for Nvidia’s architecture and ATI can do nothing about it. The Radeon HD 4850 is good enough at 1280x1024, though.

The Radeon HD 4870 ensures a good speed at 1600x1200 thanks to its fast memory but loses to the Radeon HD 3870 X2 at 1920x1200, having a very low minimum of speed. However, it is clear that the new Radeon HD 4800 architecture is strong enough to be competitive even in unfriendly environments, i.e. in games that are optimized for Nvidia’s GPUs.

 
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