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Enemy Territory: Quake Wars

The frame rate is fixed at 30fps in this game as this is the rate at which all events are synchronized during networked play. We disabled this limit in the game console for the sake of comparing the cards. The game’s built-in benchmarking options do not provide information about the bottom speed, so there is no such info in the diagrams.

There is no clear winner here. Both cards are fast enough for comfortable networked play. The Leadtek is somewhat better at the low resolutions but the Sapphire goes ahead at 1920x1200 and higher display modes.

Far Cry 2

This is the first test where the Sapphire HD 4850 X2 enjoys a serious advantage over the Leadtek WinFast GTX 280: 32-33% at resolutions up to 1920x1200 and 23% at 2560x1600. However, both cards ensure the same comfort for the gamer because it is mostly determined by the bottom speed. The Sapphire has a much higher bottom speed at 1280x1024 but fails at 2560x1600: there is no talk about comfort if the frame rate can suddenly drop from 40 to 9fps.

S.T.A.L.K.E.R.: Clear Sky

To achieve a playable speed in this game we disabled FSAA and such resource-consuming options as Sun rays, Wet surfaces and Volumetric Smoke. We use the Enhanced full dynamic lighting (DX10) mode for our test and additionally enabled the DirectX 10.1 mode for the ATI cards.

The results are not high even at the reduced settings. The ATI Radeon HD 4870 X2 is the only card that can provide a playable frame rare at every resolution. As for the heroes of this review, the Leadtek WinFast GTX 280 gave up at 1920x1200 whereas the Sapphire HD 4850 X2 delivers a nearly comfortable speed at that resolution and slows down a little at 2560x1600. This should be counted in as a point for the red team.

 
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