Intel
Arc B580
Battlemage · 12 GB · 190 W · PCIe 4.0 x8
82
/ 100
From $249
VS
GeForce RTX 5090 wins by 16
NVIDIA
GeForce RTX 5090
Blackwell · 32 GB GDDR7 · 575 W
98
/ 100
From $1,999
Specdex verdict
GeForce RTX 5090 takes it — here’s why.
In our weighted Specdex score, Arc B580 lands at 82 and GeForce RTX 5090 at 98. That puts GeForce RTX 5090 ahead by 16 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Arc B580 if…
- ✓Incredible $/frame at 1440p
- ✓12 GB VRAM on a budget card
- ✓Modern AV1 + XeSS 2
Pick GeForce RTX 5090 if…
- ✓Unrivaled 4K and path-tracing
- ✓DLSS 4 Multi-Frame Gen
- ✓32 GB VRAM for AI
Arc B580 82
vs 98 GeForce RTX 5090
Score breakdown
Arc B580
82 raster 82
rt 76
ai 80
efficiency 84
GeForce RTX 5090
98 raster 100
rt 100
ai 100
efficiency 78
Specs side-by-side
| Spec | Arc B580 | GeForce RTX 5090 |
|---|---|---|
| Architecture | Xe2 Battlemage | Blackwell |
| Xe cores | 20 | — |
| Ray Tracing Units | 20 | — |
| XMX engines | 160 | — |
| VRAM | 12 GB GDDR6 | ▲ 32 GB GDDR7 |
| Memory bus | 192-bit | ▲ 512-bit |
| Bandwidth | 456 GB/s | ▲ 1792 GB/s |
| Base clock | 1.70 GHz | — |
| Boost clock | 2.67 GHz | — |
| TBP | 190 W | 575 W |
| PCIe | PCIe 4.0 x8 | PCIe 5.0 x16 |
| CUDA cores | — | 21,760 |
| Tensor cores | — | 680 (5th gen) |
| RT cores | — | 170 (4th gen) |
Arc B580
Pros
- +Incredible $/frame at 1440p
- +12 GB VRAM on a budget card
- +Modern AV1 + XeSS 2
Cons
- −PCIe 4.0 x8 interface (not x16) — bottlenecks on PCIe 3.0 boards
- −Older DX11 titles can still struggle
- −Needs resizable BAR
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
FAQ: Arc B580 vs GeForce RTX 5090
Which is better, Arc B580 or GeForce RTX 5090? +
GeForce RTX 5090 scores 98 on our weighted rubric — ahead by 16. Your best pick depends on the sub-scores above.
Is Arc B580 worth the price? +
At $249, Arc B580 delivers a Specdex score of 82 — strongest in efficiency.
Is GeForce RTX 5090 worth the price? +
At $1,999, GeForce RTX 5090 delivers a Specdex score of 98 — strongest in raster.
Does Arc B580 or GeForce RTX 5090 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.