AMD Radeon RX 6900 XT Review - The Biggest Big Navi 191

AMD Radeon RX 6900 XT Review - The Biggest Big Navi

Temperatures & Fan Noise »

Clock Speeds

For this test, we first let the card sit in idle to reach thermal equilibrium. Next, we start a constant 100% gaming load, recording several important parameters while the test is running. This shows you the thermal behavior of the card and how the fans ramp up as temperatures increase. Once temperatures are stable (no increase for two minutes), we stop the load and record how the card cools down over time.

GPU Clock, Voltage Temperature, Fan Speed over Time

Voltage Frequency Analysis

The card will dynamically adjust clock and voltage based on render load, temperature, and other factors.

For the graph below, we recorded all GPU clock and GPU voltage combinations of our 1920x1080 resolution benchmarking suite. The plotted points are transparent, which allows them to add up to indicate more often used values. A light color means the clock/voltage combination is rarely used, and a dark color means it's active more often. The min/max values are 99th and 1st percentile, so outliers are excluded.

GPU Frequency and Voltage Analysis

Clock Profiles

Modern graphics cards have several clock profiles that are selected to balance power draw and performance requirements.

The following table lists the clock settings for important performance scenarios and the GPU voltage that is used in those states.

GPU Voltage
Desktop0 MHz2 MHz0.000 V
Multi-Monitor0 MHz6 MHz0.000 V
Media Playback11 MHz2000 MHz0.775 V
3D Load1942 - 2520 MHz2000 MHz0.868 - 1.175 V
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