NVIDIA
GeForce RTX 4090
Ada · 24 GB GDDR6X · 450 W
97
/ 100
From $1,599
VS
GeForce RTX 4090 wins by 4
ASUS
ASUS ROG Strix GeForce RTX 5080
Blackwell · 16 GB GDDR7 · 360 W · ROG Strix
93
/ 100
From $1,128
Specdex verdict
GeForce RTX 4090 takes it — here’s why.
In our weighted Specdex score, GeForce RTX 4090 lands at 97 and ASUS ROG Strix 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 ASUS ROG Strix GeForce RTX 5080 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
GeForce RTX 4090 97
vs 93 ASUS ROG Strix GeForce RTX 5080
Score breakdown
GeForce RTX 4090
97 raster 97
rt 92
ai 94
efficiency 73
ASUS ROG Strix GeForce RTX 5080
93 raster 93
rt 88
ai 90
efficiency 75
Specs side-by-side
| Spec | GeForce RTX 4090 | ASUS ROG Strix GeForce RTX 5080 |
|---|---|---|
| Architecture | Ada | Blackwell |
| VRAM | ▲ 24 GB GDDR6X | 16 GB GDDR7 |
| TBP | 450 W | 360 W |
| Release year | 2022 | 2025 |
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
ASUS ROG Strix GeForce RTX 5080
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
FAQ: GeForce RTX 4090 vs ASUS ROG Strix GeForce RTX 5080
Which is better, GeForce RTX 4090 or ASUS ROG Strix 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 ASUS ROG Strix GeForce RTX 5080 worth the price? +
At $1,128, ASUS ROG Strix GeForce RTX 5080 delivers a Specdex score of 93 — strongest in raster.
Does GeForce RTX 4090 or ASUS ROG Strix 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.