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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

GeForce GTX 645 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.

×GeForce GTX 645×Radeon RX 7900 XTX+ ADD
PriceSearch Online$1446.3 BUY NOW!
Bus InterfacePCIe 3.0 x16PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock823.5 MHz1855 MHz
Memory Clock1000 MHz2500 MHz
Maximum Memory Supported1024 MB24576 MB
DirectX11.0NA2
OpenGL4.54.6
Max TDP64W355W
First Seen on ChartQ2 2013Q4 2022
# of Samples4866818
Average Results (% diff. to max in group)
DirectX 936 FPS (-89.1%)329 FPS
DirectX 107 FPS (-95.8%)167 FPS
DirectX 1115 FPS (-95.8%)357 FPS
DirectX 127 FPS (-94.3%)128 FPS
GPU Compute887 Ops/Sec (-95.1%)18189 Ops/Sec
G2D Rating429 (-65.7%)1250
G3D Rating1888(-93.9%)31110
G3D Mark Rating
As of 4th of April 2025 - Higher results represent better performance
Radeon RX 7900 XTX
 31,110
GeForce GTX 645
 1,888
PassMark Software © 2008-2025
Value (G3D Mark / $Price)
As of 4th of April 2025 - Higher results represent better value
Radeon RX 7900 XTX
 21.51
GeForce GTX 645
 NA
PassMark Software © 2008-2025