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disolitude on 19 April 2013
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ethomaz said:

disolitude said:

It's not bullshit actually... And this issues are massively overblown. I've ran SLi and crossfire sincle GTX 260 and microstuttering has been all but eliminated.

You probably have CPU bottlenecks or are using 1080p resolutions when you don't see high scalling. Try playing with 5760x1080 in eyefinity surround. GTX 670 SLi has 90-100% scalling compared to single 670 with almost any game I have played. If you're already getting high frame rates and CPU is a bottleneck, a second card isn't going to help you at all. However having something like 3D vision enabled on 3 screens will see amazing scalling even on 3 cards because you're actually pushing the GPU to the max. 

I can send you benchmarks and screenshots to prove it if you'd like to see what kind of scalling 2 high end GPUs get on 3 monitors.

Something is holding the performance of your single GPU... the SLI/Crossfire scale is not that good... that the point a single GPU with the same specs than a Dual-GPU will always perform better.

If AMD make a single 4096 SPs / 256 TMUS / 64 ROPs GPU to compete with that HD 7990 then you will see what the word moster means.

You're so wrong... So something is holding back my single GPU while dual GPUs are firing on all cylinders? I don't think so.

And I agree that single powerful GPU is better than 2 low end GPUs with similar power. But same money rarely gets you 1 GPU that is as powerful as 2 low end ones. GTX 660 in SLI destroys a single GTX 680 and costs less.

Here are some scaling charts with higher resolutions since you seem to like those. AMD was getting 192% performance in crossfire 2 years ago with their high end cards.

http://www.tomshardware.com/reviews/crossfire-sli-3-way-scaling,2865-10.html