NVIDIA
GeForce RTX 4090
Ada · 24 GB GDDR6X · 450 W
97
/ 100
From $1,599
VS
GeForce RTX 4090 wins by 4
NVIDIA
GeForce RTX 5080
Blackwell · 16 GB GDDR7 · 360 W
93
/ 100
From $999
Specdex verdict
GeForce RTX 4090 takes it — here’s why.
In our weighted Specdex score, GeForce RTX 4090 lands at 97 and GeForce RTX 5080 at 93. That puts GeForce RTX 4090 ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.
Pick GeForce RTX 4090 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Pick GeForce RTX 5080 if…
- ✓Excellent 4K performance
- ✓DLSS 4 support
- ✓Cooler and quieter than 5090
GeForce RTX 4090 97
vs 93 GeForce RTX 5080
Score breakdown
GeForce RTX 4090
97 raster 97
rt 92
ai 94
efficiency 73
GeForce RTX 5080
93 raster 94
rt 95
ai 94
efficiency 85
Specs side-by-side
| Spec | GeForce RTX 4090 | GeForce RTX 5080 |
|---|---|---|
| Architecture | Ada | Blackwell |
| VRAM | ▲ 24 GB GDDR6X | 16 GB GDDR7 |
| TBP | 450 W | 360 W |
| Release year | 2022 | — |
| CUDA cores | — | 10,752 |
| Memory bus | — | 256-bit |
| PCIe | — | PCIe 5.0 x16 |
GeForce RTX 4090
Pros
- +NVIDIA driver stack
- +DLSS support on RTX
- +Strong resale value
Cons
- −Power draw scales with tier
- −Gen-over-gen price creep
- −VRAM gated per tier
GeForce RTX 5080
Pros
- +Excellent 4K performance
- +DLSS 4 support
- +Cooler and quieter than 5090
Cons
- −Only 16 GB VRAM
- −Price creep vs 4080
- −Gap to 5090 is large
FAQ: GeForce RTX 4090 vs GeForce RTX 5080
Which is better, GeForce RTX 4090 or GeForce RTX 5080? +
GeForce RTX 4090 scores 97 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.
Is GeForce RTX 4090 worth the price? +
At $1,599, GeForce RTX 4090 delivers a Specdex score of 97 — strongest in raster.
Is GeForce RTX 5080 worth the price? +
At $999, GeForce RTX 5080 delivers a Specdex score of 93 — strongest in rt.
Does GeForce RTX 4090 or GeForce RTX 5080 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.