Arc B580
Battlemage · 12 GB · 190 W · PCIe 4.0 x8
Gigabyte Aorus Master GeForce RTX 4080
Ada · 16 GB GDDR6X · 320 W · Aorus Master
Gigabyte Aorus Master GeForce RTX 4080 takes it — here’s why.
In our weighted Specdex score, Arc B580 lands at 82 and Gigabyte Aorus Master GeForce RTX 4080 at 92. That puts Gigabyte Aorus Master GeForce RTX 4080 ahead by 10 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 Gigabyte Aorus Master GeForce RTX 4080 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Winner by scenario
Derived from the sub-score breakdown · not a separate test4K & rasterization
Gigabyte Aorus Master GeForce RTX 4080Traditional rendering throughput at high resolution
Gigabyte Aorus Master GeForce RTX 4080 leads on raster (92 vs 82).
Ray tracing
Gigabyte Aorus Master GeForce RTX 4080RT-heavy titles with path-traced lighting
Gigabyte Aorus Master GeForce RTX 4080 leads on rt (87 vs 76).
AI workloads
Gigabyte Aorus Master GeForce RTX 4080Local inference, upscaling, generative tools
Gigabyte Aorus Master GeForce RTX 4080 leads on ai (89 vs 80).
Power efficiency
Arc B580Frames per watt — heat, noise, and PSU sizing
Arc B580 leads on efficiency (84 vs 73).
Value for money
Arc B580Specdex score per dollar at MSRP
Arc B580 more score per dollar ($249 vs $1,344).
Score breakdown
Specs side-by-side
| Spec | Arc B580 | Gigabyte Aorus Master GeForce RTX 4080 |
|---|---|---|
| Architecture | Xe2 Battlemage | Ada |
| Xe cores | 20 | — |
| Ray Tracing Units | 20 | — |
| XMX engines | 160 | — |
| VRAM | 12 GB GDDR6 | ▲ 16 GB GDDR6X |
| Memory bus | 192-bit | — |
| Bandwidth | 456 GB/s | — |
| Base clock | 1.70 GHz | — |
| Boost clock | 2.67 GHz | — |
| TBP | 190 W | 320 W |
| PCIe | PCIe 4.0 x8 | — |
| Release year | — | 2022 |
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
Gigabyte Aorus Master GeForce RTX 4080
- +NVIDIA driver stack
- +DLSS support on RTX
- +Strong resale value
- −Power draw scales with tier
- −Gen-over-gen price creep
- −VRAM gated per tier
FAQ: Arc B580 vs Gigabyte Aorus Master GeForce RTX 4080
Which is better, Arc B580 or Gigabyte Aorus Master GeForce RTX 4080? +
Gigabyte Aorus Master GeForce RTX 4080 scores 92 on our weighted rubric — ahead by 10. 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 Gigabyte Aorus Master GeForce RTX 4080 worth the price? +
At $1,344, Gigabyte Aorus Master GeForce RTX 4080 delivers a Specdex score of 92 — strongest in raster.
Does Arc B580 or Gigabyte Aorus Master GeForce RTX 4080 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 Gigabyte Aorus Master GeForce RTX 4080? +
Gigabyte Aorus Master GeForce RTX 4080 — leads on raster (92 vs 82). Traditional rendering throughput at high resolution.
Which is better for ray tracing, Arc B580 or Gigabyte Aorus Master GeForce RTX 4080? +
Gigabyte Aorus Master GeForce RTX 4080 — leads on rt (87 vs 76). RT-heavy titles with path-traced lighting.