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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

GeForce GT 645M vs GeForce RTX 4080 Laptop GPU

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 GT 645M×GeForce RTX 4080 Laptop GPU+ ADD
PriceSearch OnlineSearch Online
Bus InterfacePCIe 3.0 x16PCIe 4.0 x16
GPU ClassMobileMobile
Core Clock710 MHz1860 MHz
Memory ClockNA22250 MHz
Maximum Memory Supported2048 MB12288 MB
DirectX1112_2
OpenGL4.54.6
Max TDP32W150W
First Seen on ChartQ1 2013Q1 2023
# of Samples2923033
Average Results (% diff. to max in group)
DirectX 914 FPS (-95.1%)286 FPS
DirectX 103 FPS (-98.0%)155 FPS
DirectX 117 FPS (-97.1%)243 FPS
DirectX 125 FPS (-94.3%)96 FPS
GPU Compute482 Ops/Sec (-95.7%)11130 Ops/Sec
G2D Rating167 (-82.0%)926
G3D Rating943(-96.2%)24836
2 - Information not available. Do you know? Notify Us.
G3D Mark Rating
As of 10th of November 2025 - Higher results represent better performance
GeForce RTX 4080 Laptop GPU
 24,836
GeForce GT 645M
 943
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