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Crysis

This game is tested at the High level of detail, excepting the Shaders option which is set at Very High. This way we try to achieve a compromise between image quality and speed.

There is no breakthrough in terms of performance because of the lack of graphics memory. The Radeon HD 4870 CrossFire configuration can only catch up with the GeForce 9800 GX2 at 1600x1200 and 1920x1200.

The Radeon HD 4870 X2 comes with two times more memory, so it can perform better in this visually astounding game. It is the leader at 2560x1600. On the other hand, the GeForce GTX 280 still ensures the highest bottom speed.

Enemy Territory: Quake Wars

The frame rate is fixed at 30fps in this game as this is the rate at which the physical model is being updated at the server. Thus, this 30fps speed is the required minimum for playing the game.

Using extra-high-resolution textures, the game is sensitive to the graphics card’s memory bandwidth, so the Radeon HD 4870 CrossFire platform is more efficient than the Radeon HD 4850 CrossFire. However, the 4870 X2 model is far faster than the two Radeon HD 4870 cards at 2560x1600 due to the increased amount of onboard memory.

At resolutions above 1280x1024 the Radeon HD 4870 CrossFire is about as fast as the GeForce GTX 280 which has a 512-bit memory bus, and both deliver the same speed at 2560x1600. That’s a good but not impressive result considering the higher price and higher power consumption of the two Radeon HD 4870 cards.

 
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