Half-Life 2

The Leadtek kit isn’t much slower than the GeForce 6800 GT in Half-Life 2 . The gap is only 3-6fps, the absolute frame rates being about 100fps. There’s a lot of water on this level, so ATI’s cards – from the RADEON X800 XL to the RADEON X850 XT Platinum Edition – are victorious in this test.

When we enable full-screen anti-aliasing and anisotropic filtering, the graphics cards with NVIDIA’s GPUs suddenly go ahead in resolutions of 1280x1024 and higher. But the Leadtek WinFast PX6600 GT TDH SLI again suffers from the lack of graphics memory, being up to 30% slower than the GeForce 6800 GT. Anyway, the SLI platform ensures playability in all the tested resolutions.

The scene recorded on the d3_c17_02 map is very CPU-dependent, as it shows a fight of Gordon Freeman accompanied by a robot with patrol soldiers. The results on this level are very similar between the cards: only the ATI RADEONs are prominent among the others.

The Leadtek kit suffers from the inherent disadvantages of SLI technology immediately: its performance falls to below the level of the GeForce 6800 GT in 1024x768, and 1600x1200 resolution is not playable – 30fps is too little for a 3D shooter.