NVIDIA
GeForce RTX 5090
Blackwell · 32 GB GDDR7 · 575 W
98
/ 100
From $1,999
VS
GeForce RTX 5090 wins by 5
ASUS
ASUS ROG Strix GeForce RTX 5080
Blackwell · 16 GB GDDR7 · 360 W · ROG Strix
93
/ 100
From $1,128
Specdex verdict
GeForce RTX 5090 takes it — here’s why.
In our weighted Specdex score, GeForce RTX 5090 lands at 98 and ASUS ROG Strix GeForce RTX 5080 at 93. That puts GeForce RTX 5090 ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.
Pick GeForce RTX 5090 if…
- ✓Unrivaled 4K and path-tracing
- ✓DLSS 4 Multi-Frame Gen
- ✓32 GB VRAM for AI
Pick ASUS ROG Strix GeForce RTX 5080 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
GeForce RTX 5090 98
vs 93 ASUS ROG Strix GeForce RTX 5080
Score breakdown
GeForce RTX 5090
98 raster 100
rt 100
ai 100
efficiency 78
ASUS ROG Strix GeForce RTX 5080
93 raster 93
rt 88
ai 90
efficiency 75
Specs side-by-side
| Spec | GeForce RTX 5090 | ASUS ROG Strix GeForce RTX 5080 |
|---|---|---|
| Architecture | Blackwell | Blackwell |
| CUDA cores | 21,760 | — |
| Tensor cores | 680 (5th gen) | — |
| RT cores | 170 (4th gen) | — |
| VRAM | ▲ 32 GB GDDR7 | 16 GB GDDR7 |
| Memory bus | 512-bit | — |
| Bandwidth | 1792 GB/s | — |
| TBP | 575 W | 360 W |
| PCIe | PCIe 5.0 x16 | — |
| Release year | — | 2025 |
GeForce RTX 5090
Pros
- +Unrivaled 4K and path-tracing
- +DLSS 4 Multi-Frame Gen
- +32 GB VRAM for AI
Cons
- −Enormous power draw
- −Two-slot+ cooler required
- −Scarce MSRP supply
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 5090 vs ASUS ROG Strix GeForce RTX 5080
Which is better, GeForce RTX 5090 or ASUS ROG Strix GeForce RTX 5080? +
GeForce RTX 5090 scores 98 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.
Is GeForce RTX 5090 worth the price? +
At $1,999, GeForce RTX 5090 delivers a Specdex score of 98 — 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 5090 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.