Arc B580 vs Radeon RX 7900 XT
Comparison of specs, performance, and price. Which GPU is the better buy in 2026?
| Feature | Arc B580 | Radeon RX 7900 XT |
|---|---|---|
| Buy Online | Check Availability | Check Availability |
| Steel Nomad Score | 3,062 | 5,616 |
| VRAM | 12GB GDDR6 | 20GB GDDR6 |
| Memory Bandwidth | 456 GB/s | 800 GB/s |
| TDP | 190 W | 300 W |
| Release Date | Dec 13th, 2024 | Nov 3rd, 2022 |
Performance Verdict
Radeon RX 7900 XT is 45.5% Faster
In the 3DMark Steel Nomad benchmark, the Radeon RX 7900 XT scores 5,616, while the Arc B580 scores 3,062.
Summary: The Radeon RX 7900 XT offers superior raw performance, making it the better choice for demanding games and workloads. It also has more VRAM (20GB GDDR6), which is crucial for 4K gaming and AI. However, it consumes more power (300 W vs 190 W).
Arc B580
Pros
- ✓ Lower Power Consumption (190 W vs 300 W)
Cons
- ✕ Less VRAM (12GB GDDR6 vs 20GB GDDR6)
- ✕ Lower Memory Bandwidth (456 GB/s vs 800 GB/s)
Radeon RX 7900 XT
Pros
- ✓ More VRAM (20GB GDDR6 vs 12GB GDDR6)
- ✓ Higher Memory Bandwidth (800 GB/s vs 456 GB/s)
Cons
- ✕ Higher Power Consumption (300 W vs 190 W)