Radeon RX 6800 Series Has Excellent ROCm-Based OpenCL Performance On Linux
Written by Michael Larabel in Graphics Cards on 18 November 2020. Page 6 of 6. 59 Comments

For those wondering about the thermal performance with the reference Big Navi cards, the Radeon RX 6800 through the entire course of these compute benchmarks had an average core temperature of 59 degrees with a peak of 69 degrees. The Radeon RX 6800 XT had an average temperature of 65 degrees and a peak of 79 degrees.

Lastly is the geometric mean for all of the OpenCL compute tests run on all of the graphics cards today. With the strong OpenCL performance the Radeon RX 6800 in fact matched that of the RTX 3080 while the RX 6800 XT came out about 14% faster than the GeForce RTX 3080 overall. This was incredibly strong generational uplift with the Radeon RX 5700 XT only matching that of the GeForce RTX 3080. Going from the Radeon RX 5700 XT to the Radeon RX 6800 XT was 1.91x the performance while going from the GeForce RTX 2080 to RTX 3080 was 1.6x the performance.

It's great to see the Radeon RX 6800 series performing so well with OpenCL compute after it wasn't a focus for AMD with the original Navi launch and that Radeon RX 5000 series support only now maturing with the Big Navi support in tow. Not only is the Radeon RX 6800 series OpenCL performance actually exceeding the GeForce RTX 3080, but it's backed by fully open-source software and not the proprietary ecosystem of NVIDIA. Once ROCm 4.0 is out in full we'll be around with more compute tests.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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