RTX 5080 Laptop GPU
975 MHz · PassMark #44
GeForce RTX 4090
Ada · 24 GB GDDR6X · 450 W
GeForce RTX 4090 takes it — here’s why.
In our weighted Specdex score, RTX 5080 Laptop GPU lands at 61 and GeForce RTX 4090 at 97. That puts GeForce RTX 4090 ahead by 36 points — a decisive margin driven mostly by its strengths in the categories below.
Pick RTX 5080 Laptop GPU if…
- ✓Capable 1440p card at PassMark G3D rank #44
- ✓Blackwell architecture with DLSS 4 support
Pick GeForce RTX 4090 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
TieSpecdex score per dollar at MSRP
Effectively tied — similar score-per-dollar at MSRP.
Score breakdown
Specs side-by-side
| Spec | RTX 5080 Laptop GPU | GeForce RTX 4090 |
|---|---|---|
| GPU clock | 975 MHz | — |
| Memory clock | 1750 MHz | — |
| DirectX | 12_2 | — |
| PassMark rank | #44 of 2,991 | — |
| PassMark G3D Mark | 26,326 | — |
| Architecture | — | Ada |
| VRAM | — | 24 GB GDDR6X |
| TBP | — | 450 W |
| Release year | — | 2022 |
RTX 5080 Laptop GPU
- +Capable 1440p card at PassMark G3D rank #44
- +Blackwell architecture with DLSS 4 support
- −Mobile thermal envelope limits sustained performance vs desktop
GeForce RTX 4090
- +NVIDIA driver stack
- +DLSS support on RTX
- +Strong resale value
- −Power draw scales with tier
- −Gen-over-gen price creep
- −VRAM gated per tier
FAQ: RTX 5080 Laptop GPU vs GeForce RTX 4090
Which is better, RTX 5080 Laptop GPU or GeForce RTX 4090? +
GeForce RTX 4090 scores 97 on our weighted rubric — ahead by 36. Your best pick depends on the sub-scores above.
Is RTX 5080 Laptop GPU worth the price? +
At $999, RTX 5080 Laptop GPU delivers a Specdex score of 61 — strongest in passmark.
Is GeForce RTX 4090 worth the price? +
At $1,599, GeForce RTX 4090 delivers a Specdex score of 97 — strongest in raster.
Does RTX 5080 Laptop GPU or GeForce RTX 4090 last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.