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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

GeForce GTX 645 vs Radeon HD 8990

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 HD 8990+ ADD
PriceSearch OnlineSearch Online
Bus InterfacePCIe 3.0 x16PCIe 3.0 x16
GPU ClassDesktopDesktop
Core Clock823.5 MHz950 MHz
Memory Clock1000 MHz1500 MHz
Maximum Memory Supported1024 MB3072 MB
DirectX11.011.1
OpenGL4.54.4
Max TDP64W375W
First Seen on ChartQ2 2013Q4 2013
# of Samples46926
Average Results (% diff. to max in group)
DirectX 935 FPS (-54.0%)76 FPS
DirectX 107 FPS (-78.9%)33 FPS
DirectX 1115 FPS (-67.9%)46 FPS
DirectX 127 FPS (-60.9%)18 FPS
GPU Compute887 Ops/Sec (-66.3%)2632 Ops/Sec
G2D Rating429 (-34.8%)658
G3D Rating1876
(-64.0%)
5214
G3D Mark Rating
As of 29th of March 2024 - Higher results represent better performance
Radeon HD 8990
5,214
GeForce GTX 645
1,876