Sapphire
Sapphire Nitro+ Radeon Pro W7700
RDNA 3 · 16 GB GDDR6 · 190 W · Nitro+
82
/ 100
From $1,128
VS
Intel
Arc B580
Battlemage · 12 GB · 190 W · PCIe 4.0 x8
82
/ 100
From $249
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Sapphire Nitro+ Radeon Pro W7700 lands at 82 and Arc B580 at 82. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Sapphire Nitro+ Radeon Pro W7700 if…
- ✓ECC VRAM for professional workloads
- ✓ISV certifications
- ✓Huge framebuffer
Pick Arc B580 if…
- ✓Incredible $/frame at 1440p
- ✓12 GB VRAM on a budget card
- ✓Modern AV1 + XeSS 2
Sapphire Nitro+ Radeon Pro W7700 82
vs 82 Arc B580
Score breakdown
Sapphire Nitro+ Radeon Pro W7700
82 raster 77
rt 82
ai 83
efficiency 85
Arc B580
82 raster 82
rt 76
ai 80
efficiency 84
Specs side-by-side
| Spec | Sapphire Nitro+ Radeon Pro W7700 | Arc B580 |
|---|---|---|
| Architecture | RDNA 3 | Xe2 Battlemage |
| VRAM | ▲ 16 GB GDDR6 | 12 GB GDDR6 |
| TBP | 190 W | 190 W |
| Release year | 2023 | — |
| Xe cores | — | 20 |
| Ray Tracing Units | — | 20 |
| XMX engines | — | 160 |
| Memory bus | — | 192-bit |
| Bandwidth | — | 456 GB/s |
| Base clock | — | 1.70 GHz |
| Boost clock | — | 2.67 GHz |
| PCIe | — | PCIe 4.0 x8 |
Sapphire Nitro+ Radeon Pro W7700
Pros
- +ECC VRAM for professional workloads
- +ISV certifications
- +Huge framebuffer
Cons
- −Expensive per-frame vs consumer
- −Lower gaming clocks
- −Driver optimized for CAD/DCC not games
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
FAQ: Sapphire Nitro+ Radeon Pro W7700 vs Arc B580
Which is better, Sapphire Nitro+ Radeon Pro W7700 or Arc B580? +
Both score 82 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Sapphire Nitro+ Radeon Pro W7700 worth the price? +
At $1,128, Sapphire Nitro+ Radeon Pro W7700 delivers a Specdex score of 82 — strongest in efficiency.
Is Arc B580 worth the price? +
At $249, Arc B580 delivers a Specdex score of 82 — strongest in efficiency.
Does Sapphire Nitro+ Radeon Pro W7700 or Arc B580 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.