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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

GeForce GT 640 vs GeForce RTX 3080

The values for the video cards below are determined from thousands of PerformanceTestbenchmark 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 GT 640×GeForce RTX 3080+ ADD
Price$109.991$799.99 BUY NOW!
Bus InterfacePCIe 3.0 x16PCIe 4.0 x16
GPU ClassDesktopDesktop
Core Clock900 MHz1440 MHz
Memory Clock891 MHz19000 MHz
Maximum Memory Supported4096 MB10240 MB
DirectX11.012.0
OpenGL4.54.6
Max TDP65W320W
First Seen on ChartQ4 2011Q2 2020
# of Samples446510406
Average Results (% diff. to max in group)
DirectX 924 FPS (-90.4%)252 FPS
DirectX 107 FPS (-98.0%)366 FPS
DirectX 1125 FPS (-95.2%)514 FPS
DirectX 125 FPS (-95.1%)100 FPS
GPU Compute616 Ops/Sec (-96.0%)15558 Ops/Sec
G2D Rating286 (-72.5%)1040
G3D Rating1183(-95.3%)25386
G3D Mark Rating
As of 3rd of February 2023 - Higher results represent better performance
GeForce RTX 3080
25,386
GeForce GT 640
1,183
Value (G3D Mark / $Price)
As of 3rd of February 2023 - Higher results represent better value
GeForce RTX 3080
31.73
GeForce GT 640
10.76