Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

GeForce GTX 660 vs Radeon RX 6900 XT

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 660×Radeon RX 6900 XT+ ADD
Price$167.951$649.99 BUY NOW!
Bus InterfacePCIe 3.0 x16PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock980 MHz1825 MHz
Memory Clock1502 MHz16000 MHz
Maximum Memory Supported3072 MB16384 MB
Max TDP140W300W
First Seen on ChartQ2 2012Q4 2020
# of Samples153672886
Average Results (% diff. to max in group)
DirectX 968 FPS (-71.0%)235 FPS
DirectX 1032 FPS (-90.9%)357 FPS
DirectX 1185 FPS (-87.3%)669 FPS
DirectX 1215 FPS (-87.3%)117 FPS
GPU Compute1776 Ops/Sec (-88.7%)15718 Ops/Sec
G2D Rating475 (-55.7%)1071
G3D Rating3994(-84.9%)26369
G3D Mark Rating
As of 3rd of December 2022 - Higher results represent better performance
Radeon RX 6900 XT
GeForce GTX 660
Value (G3D Mark / $Price)
As of 3rd of December 2022 - Higher results represent better value
Radeon RX 6900 XT
GeForce GTX 660