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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$1509.671
Bus InterfacePCIe 3.0 x16PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock980 MHz1825 MHz
Memory Clock1502 MHz2000 MHz
Maximum Memory Supported3072 MB16384 MB
DirectX11.012.0
OpenGL4.54.6
Max TDP140W300W
First Seen on ChartQ2 2012Q4 2020
# of Samples160866335
Average Results (% diff. to max in group)
DirectX 967 FPS (-74.6%)266 FPS
DirectX 1017 FPS (-90.1%)168 FPS
DirectX 1134 FPS (-87.8%)279 FPS
DirectX 1215 FPS (-86.7%)113 FPS
GPU Compute1803 Ops/Sec (-87.9%)14948 Ops/Sec
G2D Rating487 (-53.7%)1052
G3D Rating4016(-85.0%)26753
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
G3D Mark Rating
As of 30th of April 2025 - Higher results represent better performance
Radeon RX 6900 XT
 26,753
GeForce GTX 660
 4,016
PassMark Software © 2008-2025
Value (G3D Mark / $Price)
As of 30th of April 2025 - Higher results represent better value
GeForce GTX 660
 23.91
Radeon RX 6900 XT
 17.72
PassMark Software © 2008-2025