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Author Topic: 5K testing with Pascal  (Read 6527 times)
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« Reply #15 on: April 17, 2017, 09:07:08 AM »

It's indeed crucial to test such a powerful GPU at the highest possible resolution.
But lower-res test are not completely useless as they indicate driver optimisation. Drivers operate on the CPU and are responsible for CPU bottlenecks. That's why macOS/OpenCL games generally perform much less well than Windows/DX counterparts at low resolution, but show similar performance at very high resolution. The GPU code generated by the drivers probably doesn't change much across platform, hence GPU-limited tasks (at high resolution) have similar performances.
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