Micro jerks in the post test
We had already dealt with the problem of micro jerks a year ago and would like to refer to the link for those who are still unfamiliar with this topic, so as not to repeat ourselves. To illustrate the current state in practice, we even chose an AMD game title with “Sleeping Dogs”, which is very up-to-date on the one hand and offers quite good scaling in SLI and Crossfire constellations on the other. The extreme peaks in the following diagrams represent reloading jerks during the benchmark’s scene changes and can be neglected. Let’s first compare SLI and Crossfire.
SLI (overview and detail section)
Crossfire (overview and detail section)
We can see very clearly that the SLI solution of the GTX 690 still works better even without adaptive VSync and above all delivers a more homogeneous picture than the Crossfire systems are able to offer. The much higher differences in the individual render times per frame visually result in a visibly less round course up to perceptible jerks and frame drops. We can even see that the SLI solution already comes quite close to the quality of a single-card solution from, but without quite reaching it.
The four render scenes of the benchmark
After we noticed partly extreme jerks in the Crossfire setup, we will next try to achieve an improvement via the render methods selectable in Catalyst and overwrite the Crossfire profile.
- 1 - Introduction and overview
- 2 - The challenger: HIS 7970 X2
- 3 - The efficient: EVGA GTX 690
- 4 - The beauty: PowerColor 7990 Devil 13
- 5 - Synthetic benchmarks
- 6 - Gaming benchmarks (Catalyst 12.11)
- 7 - Micro stuttering: the current situation
- 8 - Micro stuttering: AFR render methods
- 9 - Micro stuttering: adaptive VSync (Nvidia)
- 10 - Micro stuttering: dynamic VSync (AMD)
- 11 - Power consumption and temperatures
- 12 - Fan speed and noise (with videos)
- 13 - Summary and conclusion
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