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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

Radeon 840M vs GeForce RTX 4090 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.

×Radeon 840M×GeForce RTX 4090 Laptop GPU+ ADD
PriceSearch OnlineSearch Online
Bus InterfaceNA2PCIe 4.0 x16
GPU ClassMobileMobile
Core ClockNA21455 MHz
Memory ClockNA22250 MHz
Maximum Memory SupportedNA216384 MB
DirectXNA212_2
OpenGLNA24.6
Max TDPNA2150W
First Seen on ChartQ2 2025Q1 2023
# of Samples3822716
Average Results (% diff. to max in group)
DirectX 964 FPS (-79.4%)309 FPS
DirectX 1014 FPS (-91.8%)172 FPS
DirectX 1134 FPS (-86.9%)259 FPS
DirectX 1217 FPS (-84.2%)106 FPS
GPU Compute1684 Ops/Sec (-86.2%)12215 Ops/Sec
G2D Rating878 (-11.0%)986
G3D Rating3842 (-85.8%)27058
2 - Information not available. Do you know? Notify Us.
G3D Mark Rating
As of 16th of January 2026 - Higher results represent better performance
GeForce RTX 4090 Laptop GPU
 27,058
Radeon 840M
 3,842
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