AMD Radeon RX 6600 XT Linux Gaming Performance

Across the wide variety of Linux benchmarks carried out, the Radeon RX 6600 XT (ASRock Phantom Gaming) had a reported peak power consumption of 176 Watts but managed to see an average of 98 Watts across the wide mix of games and other graphics benchmarks.

The GPU core temperature largely comes down to the specific AIB card you go with, but among the graphics cards tested here the ASRock Phantom Gaming RX 6600 XT had the lowest average temperature as well as the lowest peak temperature.

If taking the geometric mean of all the graphics benchmarks carried out for this launch-day RX 6600 XT review, here is how it shakes out. Using the latest NVIDIA and AMD Radeon graphics drivers throughout, the RX 6600 XT was 2.4x the performance of the GeForce GTX 1060, 1.89x the performance of the RX 590 and RX 5500 XT, and 1.4x the performance of the prior generation Radeon RX 5600 XT. The RX 6600 XT performance was 12% higher than the GeForce RTX 3060 overall while the RTX 3060 Ti had a 12% advantage over the RX 6600 XT. The performance of the Radeon RX 6600 XT was quite close to the NVIDIA GeForce RTX 2070 SUPER and Radeon VII across these many 1080p and 1440p OpenGL/Vulkan Linux gaming benchmarks.

See all of the benchmark data points in full and generate your own custom performance-per-dollar graphs via this OpenBenchmarking.org result file.

Overall the AMD Radeon RX 6600 XT is a great addition to the RDNA2 family. The Radeon RX 6600 XT is backed by AMD's leading open-source GPU driver support and the "Dimgrey Cavefish" support has now been mainlined for a while now with time to mature for delivering a good launch-day experience while there will also be a new packaged driver release today (benchmarks on that are coming in the next day or two). The Radeon RX 6600 XT is in great standing on Linux while the most obvious criticism to this new graphics card is the starting price of $379 USD for this 1080p focused gaming graphics card but that is an artifact of the overall state of the industry at the moment.

The RX 6600 XT is working great on the latest open-source graphics drivers and a worthy graphics card to consider for Linux gamers. Stay tuned for additional benchmarks of this graphics card in the days ahead and thanks to AMD for providing the RX 6600 XT review sample for launch-day Linux testing at Phoronix.