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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 Samples8143199
Average Results (% diff. to max in group)
DirectX 961 FPS (-80.5%)310 FPS
DirectX 1013 FPS (-92.4%)171 FPS
DirectX 1132 FPS (-87.4%)258 FPS
DirectX 1217 FPS (-84.1%)106 FPS
GPU Compute1685 Ops/Sec (-86.2%)12164 Ops/Sec
G2D Rating864 (-12.5%)988
G3D Rating3703 (-86.3%)27045
2 - Information not available. Do you know? Notify Us.
G3D Mark Rating
As of 14th of August 2026 - Higher results represent better performance
GeForce RTX 4090 Laptop GPU
 27,045
Radeon 840M
 3,703
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