GeForce GTX 680, Part 2: SLI, 5760x1080, And Overclocking

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Who needs sleep when you have caffeine? We take a second GeForce GTX 680 and run it in SLI against two Radeon HD 7970s. Then we add 5760x1080 benchmark results. Then we overclock our single-GPU flagships for a third comparison. Does our story change?

Benchmark Results: MediaEspresso And LuxMark 2.0

We were told that the 301.10 driver was supposed to fix Nvidia’s NVEnc bug, which prevented MPEG-2 based input from being accelerated. This doesn’t seem to be the case, though. We’re seeing the same result from our transcode to iPad 2-ready H.264. Both the GeForce GTX 580 and 590 offer better performance in this discipline.

Hammering home the results of our Sandra-based testing, two Radeon HD 7970s serve up staggering performance in LuxMark 2.0, while a pair of GeForce GTX 680s underperforms a prior-generation GeForce GTX 590.

Chris Angelini
Chris Angelini
Chris Angelini is an Editor Emeritus at Tom's Hardware US. He edits hardware reviews and covers high-profile CPU and GPU launches.