PowerColor RX 6800 XT Red Devil Review

We measure system-wide power draw from the wall while running the 3DMark Time Spy stress test for 30 minutes.

Total system power draw shows a delta of about 40W between the OC and Silent BIOS, with the OC BIOS drawing more than the RTX 3080 Founders Edition.

We also use Nvidia PCAT to measure power draw of the graphics card only, with readings from both the PCIe slot and the PCIe power cables combined into a single figure. This provides us with significantly more accurate data to work with as it is measuring only the GPU power, and not total system power which is a fundamentally imprecise measurement.

More accurate data is found when looking at power draw of just the graphics card, for which we use Nvidia's PCAT. Here we can see the Silent BIOS averaged 296W under load, compared to 327W for the OC BIOS. The latter result is an extra 29W of juice compared to reference.

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