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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

Radeon HD 7990 vs Radeon RX 6900 XT

The values for the video cards below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×Radeon HD 7990×Radeon RX 6900 XT+ ADD
Price$399.991$1638.6 BUY NOW!
Bus InterfacePCIe 3.0 x16PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock950 MHz1825 MHz
Memory Clock1500 MHz16000 MHz
Maximum Memory Supported3072 MB16384 MB
DirectX11.212.0
OpenGL4.44.6
Max TDP375W300W
First Seen on ChartQ2 2013Q4 2020
# of Samples301962
G2D Rating7661149
G3D Mark556626997
G3D Mark Rating
As of 18th of September 2021 - Higher results represent better performance
Radeon RX 6900 XT
26,997
Radeon HD 7990
5,566
Value (G3D Mark / $Price)
As of 18th of September 2021 - Higher results represent better value
Radeon RX 6900 XT
16.48
Radeon HD 7990
13.91