Arc B580
Battlemage · 12 GB · 190 W · PCIe 4.0 x8
GeForce RTX 5090
Blackwell · 32 GB GDDR7 · 575 W
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
Winner by scenario
Derived from the sub-score breakdown · not a separate test4K & rasterization
GeForce RTX 5090Traditional rendering throughput at high resolution
GeForce RTX 5090 leads on raster (100 vs 82).
Ray tracing
GeForce RTX 5090RT-heavy titles with path-traced lighting
GeForce RTX 5090 leads on rt (100 vs 76).
AI workloads
GeForce RTX 5090Local inference, upscaling, generative tools
GeForce RTX 5090 leads on ai (100 vs 80).
Power efficiency
Arc B580Frames per watt — heat, noise, and PSU sizing
Arc B580 leads on efficiency (84 vs 78).
Value for money
Arc B580Specdex score per dollar at MSRP
Arc B580 more score per dollar ($249 vs $1,999).
Score breakdown
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
- +Incredible $/frame at 1440p
- +12 GB VRAM on a budget card
- +Modern AV1 + XeSS 2
- −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
- +Unrivaled 4K and path-tracing
- +DLSS 4 Multi-Frame Gen
- +32 GB VRAM for AI
- −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.
Which is better for 4K gaming, Arc B580 or GeForce RTX 5090? +
GeForce RTX 5090 — leads on raster (100 vs 82). Traditional rendering throughput at high resolution.
Which is better for ray tracing, Arc B580 or GeForce RTX 5090? +
GeForce RTX 5090 — leads on rt (100 vs 76). RT-heavy titles with path-traced lighting.