PowerColor Radeon RX 6800 XT Red Devil Review 62

PowerColor Radeon RX 6800 XT Red Devil Review

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


I also ran the same test for the "quiet" BIOS:
Second BIOS 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.

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 used in those states.

GPU
Clock
Memory
Clock
GPU Voltage
Desktop0 MHz6 MHz0.000 V
Multi-Monitor5 MHz10 MHz0.000 V
Media Playback13 MHz2000 MHz0.856 V
3D Load2105 - 2430 MHz2000 MHz0.975 - 1.150 V
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Apr 25th, 2024 07:19 EDT change timezone

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