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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 PerformanceTestbenchmark 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$979.99 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 Samples456853
Average Results (% diff. to max in group)
DirectX 936 FPS (-89.0%)323 FPS
DirectX 107 FPS (-96.3%)187 FPS
DirectX 1115 FPS (-95.9%)362 FPS
DirectX 127 FPS (-94.0%)118 FPS
GPU Compute883 Ops/Sec (-95.7%)20768 Ops/Sec
G2D Rating426 (-66.2%)1262
G3D Rating1874(-94.1%)31830
G3D Mark Rating
As of 4th of June 2023 - Higher results represent better performance
Radeon RX 7900 XTX
31,830
GeForce GTX 645
1,874
Value (G3D Mark / $Price)
As of 4th of June 2023 - Higher results represent better value
Radeon RX 7900 XTX
32.48
GeForce GTX 645
NA