GeForce RTX 4090 Laptop GPU vs GeForce RTX 5080 Laptop GPU

The GeForce RTX 4090 Laptop GPU is about 5% faster for gaming.

Verdict

  • Performance index: the GeForce RTX 4090 Laptop GPU is 5% faster (105 vs 100).
  • 1080p high, 23 popular games: GeForce RTX 4090 Laptop GPU +3% on average (est.); the processor caps both in 8 of 23 games.
  • 1440p high, 23 popular games: GeForce RTX 4090 Laptop GPU +4% on average (est.); the processor caps both in 5 of 23 games.
  • 4K high, 23 popular games: GeForce RTX 4090 Laptop GPU +5% on average (est.); the processor caps both in 2 of 23 games.
  • Video memory: both have 16 GB.
  • Power (TDP): GeForce RTX 4090 Laptop GPU 150 W, GeForce RTX 5080 Laptop GPU 150 W; the GeForce RTX 4090 Laptop GPU delivers 5% more performance per watt.
  • Age: the GeForce RTX 5080 Laptop GPU is 2 years newer (2025 vs 2023).

FPS figures assume a Ryzen 7 9850X3D, the fastest gaming processor in our catalog, so the graphics card is the limit wherever possible.

Specs

SpecGeForce RTX 4090 Laptop GPUGeForce RTX 5080 Laptop GPU
Performance index105100
Brand / seriesNVIDIA RTX 40NVIDIA RTX 50
Released20232025
Video memory16 GB16 GB
Memory typeGDDR6GDDR7
Memory bus256-bit256-bit
Power (TDP)150 W150 W
Hardware ray tracingYesYes
UpscalingDLSS, FSRDLSS, FSR

Ray tracing and upscaling support follow the GPU architecture (series), not per-game support.

Estimated FPS in popular games (high preset)

Estimated FPS from our model (v0), based on the game's published requirements and relative GPU/CPU performance. Not measured. Real results vary with drivers, patches, and scenes. Values above 300 fps show as 300+.

Values above 300 fps are shown as 300+. Hover a value for its range. How we estimate FPS

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