XFX Radeon RX 7800 XT Merc 319 Review 15

XFX Radeon RX 7800 XT Merc 319 Review

Overclocking »

Energy Efficiency

Energy Efficiency calculations are based on measurements using Cyberpunk 2077. We record power draw and FPS rate to calculate the energy efficiency of the graphics card as it operates.



Voltage Frequency Curve

The card will dynamically adjust clocks 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 1440p 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 and voltage combination is rarely used, and a dark color means it's active more often. The minimum and maximum values are 99th and 1st percentile, so outliers are excluded.

GPU Frequency and Voltage Analysis


Clock States

Clock Frequencies & Voltage
GPU ClockMemory ClockGPU Voltage
Idle5 MHz
2 to 34 MHz
19 MHz
15 to 54 MHz
0.204 V
0.174 to 0.571 V
Multi-Monitor4 MHz
3 to 7 MHz
909 MHz0.193 V
0.176 to 0.273 V
Video Playback63 MHz
57 to 70 MHz
1538 MHz0.707 V
0.706 to 0.707 V
Furmark1895 MHz
1868 to 1938 MHz
2425 MHz0.758 V
0.747 to 0.777 V
Gaming
(Cyberpunk 2077)
2474 MHz
2469 to 2478 MHz
2425 MHz0.986 V
0.984 to 0.988 V
Ray Tracing
(Cyberpunk 2077)
2368 MHz
2362 to 2373 MHz
2425 MHz0.942 V
0.940 to 0.944 V
V-Sync
(Cyberpunk 2077)
1350 MHz
1325 to 1363 MHz
2425 MHz0.714 V
0.712 to 0.716 V
Gaming
(25 Games)
2526 MHz
2290 to 2700 MHz
2425 MHz1.005 V
0.875 to 1.085 V
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