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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

GeForce GTX 645 vs Radeon RX 6900 XT

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

×GeForce GTX 645×Radeon RX 6900 XT+ ADD
PriceSearch Online$729.99 BUY NOW!
Bus InterfacePCIe 3.0 x16PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock823.5 MHz1825 MHz
Memory Clock1000 MHz16000 MHz
Maximum Memory Supported1024 MB16384 MB
DirectX11.012.0
OpenGL4.54.6
Max TDP64W300W
First Seen on ChartQ2 2013Q4 2020
# of Samples4322221
G2D Rating(% diff. to max in group)428(-60.7%)1087(0.0%)
G3D Rating(% diff. to max in group)1850(-92.8%)25791(0.0%)
G3D Mark Rating
As of 16th of August 2022 - Higher results represent better performance
Radeon RX 6900 XT
25,791
GeForce GTX 645
1,850
Value (G3D Mark / $Price)
As of 16th of August 2022 - Higher results represent better value
Radeon RX 6900 XT
35.33
GeForce GTX 645
NA