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Once I’d flashed the card, I installed the popular ATI Tool utility to enable me to overclock the card. To see if the card lived up to the hype and being the impatient type I didn’t bother being cautious. I pushed the core and memory all the way up to X850 XT PE speeds – that is 540MHz for the core, and the 590MHz for the memory and set it off to run. It did so without fuss for the entire run of benchmarks without image quality being affected. Again, there’s no guarantee that this will be the case for every card. The cooler is also not as big as that of the one on the standard X850 XT PEs so good air flow in your PC case is essential.

Our test system now consists of an Asus A8N-SLI x16 motherboard, the CPU has been upgraded to an FX-57 from an FX-55, (up to 2.6GHz from 2.4) and the memory has doubled from 1GB to 2GBs.

The scores we got from our card were very good. We unfortunately weren’t able to run a full set of scores on the new platform but what we did run showed us that the modded card has the drop on the more expensive 6800 GS in most tests. Far Cry is a good example, besting the GS by a healthy 16.8fps at 1,600 x 1,200 with 4x FSAA and 8xAF. The lead in Half-Life 2 was even more pronounced with the modded and overclocked card hitting almost double the GS. However, nVidia does have strong points. While the HDR in Day of Defeat: Source is designed to work with either Shader Model 2 or 3, it is faster on nVidia, with the GS keeping up with the X850. Also, OpenGL has always been nVidia’s strong suit and the GS matches the Sapphire card. The X850 doesn’t lose however, and that’s an important point.

One feature that the GS does have that the Sapphire doesn't is Shader Model 3 support but you have to ask yourself how likely you are to run in that mode with a card such as the GS, when really you’d want something faster.

The Sapphire Radeon X800GTO2 is great news then for bargain hunters. It means that £150 and a little bit of work will buy you a very fast graphics card. Of course spending £20 or so extra will net you a 6800GS or a X850 XT, but in most situations the modded Sapphire X800GTO2 will outperform them both. The only problem is stock. As of writing the only place listing the card was MicroDirect, and previously Overclockers had also been listing it but Sapphire assured me that many cards were about to hit the channel and would be available very soon.

Verdict

For those in the know this is the best, worst kept secret in the graphics market right now. Since the price of X850 XTs has come down, it’s not quite the bargain it once was, but it’s still great value. If £150 is the kind of money you want to spend, this is a card worth hunting down.

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