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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

Radeon RX 6600 XT vs Radeon RX 7900 XTX

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

  • The first section will show basic information for each Video Card selected.
  • The first graph shows the G3D Mark values of each Videocard selected.
  • The second graph, if price data is available, will shows the value for money, in terms of the G3DMark per dollar.

×Radeon RX 6600 XT×Radeon RX 7900 XTX+ ADD
Price$439.991$1182.461
Bus InterfacePCIe 4.0 x8PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock1968 MHz1855 MHz
Memory Clock2000 MHz2500 MHz
Maximum Memory Supported8192 MB24576 MB
DirectXNA2NA2
OpenGL4.64.6
Max TDP160W355W
First Seen on ChartQ2 2021Q4 2022
# of Samples48136747
Average Results (% diff. to max in group)
DirectX 9193 FPS (-41.3%)329 FPS
DirectX 10110 FPS (-34.2%)167 FPS
DirectX 11163 FPS (-54.3%)357 FPS
DirectX 1261 FPS (-52.6%)128 FPS
GPU Compute7718 Ops/Sec (-57.6%)18200 Ops/Sec
G2D Rating911 (-27.1%)1249
G3D Rating16471(-47.0%)31102
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
G3D Mark Rating
As of 31st of March 2025 - Higher results represent better performance
Radeon RX 7900 XTX
 31,102
Radeon RX 6600 XT
 16,471
PassMark Software © 2008-2025
Value (G3D Mark / $Price)
As of 31st of March 2025 - Higher results represent better value
Radeon RX 6600 XT
 37.43
Radeon RX 7900 XTX
 26.30
PassMark Software © 2008-2025