ilysaml said:
well, after reading Tom's article about Microstuttering i wouldn't suggest being with 580s SLI, and besides if you're going to use multi GPU then i suggest AMD HD 6K series they scale better than nVidia's
another point, change your GPU this card is a power hungry and you don't want to experience a lag of performance
Did you read the same article as I did? The one I read showed that with two cards SLI had less microstuttering that AMD.
And from
conclusion of the article
Quote:
CrossFire With Two Cards
Even at frame rates above 50 FPS, micro-stuttering rears its ugly head, pronounced enough to significantly detract from the gaming experience. A paradigm shift seems necessary, at least until both AMD and Nvidia are able to prevent or mask the artifact. Right now, if you asked us whether it'd be smart to "go cheap" on an inexpensive card and double-down later with another one, we'd have to suggest against it if you're the sort to be bothered by micro-stuttering. The improvement in performance would be negated by the phenomenon's impact. Currently, it seems like cards less powerful than the Radeon HD 6950 are not well-suited for dual-card CrossFire. Even if the frame rates look decent, the slower the GPU, the more pronounced you'll see micro-stuttering during gameplay.
At the same time, not everyone is equally sensitive to time-skewed frame sequences, and quite a few cheap TFT LCD displays help hide the effect. Even so, AMD has a major undertaking ahead of it in order to really improve the dual-card experience.
Quote:
SLI
Nvidia's approach is much more consistent, though its own SLI technology doesn't side-step micro-stuttering entirely. At least the company's high-end cards work together the way we'd expect. However, sporadic micro-stuttering brings us back to reality time and again. Cards like the GeForce GTX 550 Ti seem to be wasted on a SLI setup for this reason alone, achieving decent frame rates in the charts and nasty micro-stuttering in the real world.
Quote:
Closing Thoughts
We learned one other thing from our experimentation: the faster the linked cards are, the less you see side effects from teaming them up. This precludes using two low-end cards. CrossFire and SLI only make sense from the mid-range and higher, with a slight advantage for SLI. That makes both technologies a lot less interesting for upgraders and bargain hunters. Again, given comparable pricing, we'll take the single-GPU card any day. And even then, not having to worry about micro-stuttering would compel us to pay a little more.
The way I read this article the best NVIDIA you can get would be the way to go IF money is not a concern, as they have a better implementiation when it comes to consistent framerates.