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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

Radeon RX 6600 XT vs GeForce RTX 4090

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.

×Radeon RX 6600 XT×GeForce RTX 4090+ ADD
Price$449.99 BUY NOW!$2352.331
Bus InterfacePCIe 4.0 x8PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock1968 MHz2230 MHz
Memory Clock2000 MHzNA2
Maximum Memory Supported8192 MB24576 MB
DirectX12_212
OpenGL4.64.6
Max TDP160W450W
First Seen on ChartQ2 2021Q4 2022
# of Samples586018928
Average Results (% diff. to max in group)
DirectX 9195 FPS (-51.0%)398 FPS
DirectX 10109 FPS (-51.4%)223 FPS
DirectX 11163 FPS (-49.8%)325 FPS
DirectX 1261 FPS (-59.7%)150 FPS
GPU Compute7480 Ops/Sec (-71.7%)26404 Ops/Sec
G2D Rating914 (-29.8%)1302
G3D Rating16453(-56.8%)38128
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
G3D Mark Rating
As of 14th of November 2025 - Higher results represent better performance
GeForce RTX 4090
 38,128
Radeon RX 6600 XT
 16,453
PassMark Software © 2008-2025
Value (G3D Mark / $Price)
As of 14th of November 2025 - Higher results represent better value
Radeon RX 6600 XT
 36.56
GeForce RTX 4090
 16.21
PassMark Software © 2008-2025