iconcharts
0

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$295 BUY NOW!$670 BUY NOW!
Bus InterfacePCIe 3.0 x16PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock980 MHz1825 MHz
Memory Clock1502 MHz2000 MHz
Maximum Memory Supported3072 MB16384 MB
DirectX1112
OpenGL4.54.6
Max TDP140W300W
First Seen on ChartQ2 2012Q4 2020
# of Samples165547966
Average Results (% diff. to max in group)
DirectX 968 FPS (-75.2%)272 FPS
DirectX 1017 FPS (-89.7%)164 FPS
DirectX 1134 FPS (-87.7%)279 FPS
DirectX 1215 FPS (-86.3%)111 FPS
GPU Compute1817 Ops/Sec (-87.3%)14345 Ops/Sec
G2D Rating493 (-53.6%)1063
G3D Rating4048 (-84.8%)26680
G3D Mark Rating
As of 16th of May 2026 - Higher results represent better performance
Radeon RX 6900 XT
 26,680
GeForce GTX 660
 4,048
PassMark Software © 2008-2026
Value (G3D Mark / $Price)
As of 16th of May 2026 - Higher results represent better value
Radeon RX 6900 XT
 39.82
GeForce GTX 660
 13.72
PassMark Software © 2008-2026