XFX GeForce 6800 XTreme 256MB DDR3: Doom 3 Benchmarks

Doom 3 screenshot using XFX GeForce 6800 XTreme 256MB DDR3

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XFX GeForce 6800 XTreme 256MB DDR3
(PV-T42E-UDE3 / PVT42EUDE3)

Doom 3 Benchmarks
October 18, 2006

XFX GeForce 6800 XTreme 256MB DDR3 • 6800 XTreme 3DMark Benchmarks
6800 XTreme: Doom 3

In this section, we're going to benchmark a few popular PC games with the Coolbits overclocking utility. DigitalDingus is NOT using the 9X.xx drivers (i.e., the latest drivers up to 91.47) because I have encountered SLi issues with the drivers. This is just for the this particular video card, and I cannot verify for other video cards, although if you do a Google search, you will find many other discussions experiencing problems.

Doom 3 Benchmarks

The following are benchmarks from Doom 3's TimeDemo Demo1 which can be called from within the console within Doom 3. There are a total of 2,148 frames in the demo. The benchmark takes the total number of frames and divides them by the amount of time it takes to process the frames. This will result in a FPS (Frames Per Second) score.

Doom 3 ("TimeDemo Demo1")
1	SLi	1600 x 1200	Core Clock 350Mhz Stock	430MHz overclocked
			Memory Clock 1GHz Stock	1.15GHz overclocked
2148 Frames / 30.7secs / 70.0 FPS
2	SLi	1600 x 1200	Core Clock 350Mhz Stock	450MHz overclocked
			Memory Clock 1GHz Stock	1.15GHz overclocked
2148 Frames / 29secs / 74.2 FPS
3	SLi	1600 x 1200	Core Clock 350Mhz Stock	460MHz overclocked
			Memory Clock 1GHz Stock	1.10GHz overclocked
2148 Frames / 24.8secs / 86.5 FPS
Notes / Observations
When playing and benchmarking Doom 3, you generally should cache the game for best performance. This requires loading the game, then completely exiting, then re-loading your particular save point in Doom 3. Doom 3 becomes unstable around 460/1100.

Doom 3 Results

The XFX 6800 XTreme allows for a reliable 28.6% overclock on the GPU Clock and 10% on the memory clock. The memory speed is already fast enough and overclocking it really isn't the center of attention--or at least my attention, anyway. The GPU speed needs to pick up the pace and is my main concern which is why a healthy 100MHz over stock is rather nice.

At 460MHz, things begin to get unreliable. I managed to play Doom 3 for at least 45mins without any problems, but then soon after, a bunch of colorful pixel patterns made their presence. Technically, you could play Doom 3 at these settings but since we have to put a YMMV on this OC spec, be sure to realize you may lose your game settings.