Conclusion:

There is no doubt that ATI's Radeon HD 3870 X2 is definitely a technically achievement with one of the first cards we've seen with two major GPUs together on the same PCB and not rather two PCBs stuck together. It resolves many of the issues we've seen and is a major step in ATI reclaiming the top spot in performance in the video card market. That said though we were a little disappointed with our results and we plan to re-visit the card in Windows Vista soon comparing it to the card's XP performance. We believe ATI has focused more on their XP drivers as of late and the scores could have been higher. Even if they were though we've seen other site's reviews and while it is certainly a very powerful card there are times where Nvidia still trumps it with cheaper cards and solutions which is hard to swallow when you put down $450 on a video card, you expect it to be the best performer. A single GPU solution that doesn't use Crossfire but still was able to take the top spot would be preferable to two GPUs on one PCB, even though that is an achievement on ATI's part and a step ahead of Nvidia we still feel it would allow for the best performance.

Score: 92%