| Spec | RX 580 | Arc B580 |
|---|---|---|
| Performance | ||
| FP32 Performance | 6.17 TFLOPS | 13.67 TFLOPS+55% |
| FP16 Performance | 6.17 TFLOPS | 27.34 TFLOPS+77% |
| Shader Units | 2,304 | 2,560+10% |
| Boost Clock | 1,340 MHz | 2,670 MHz+50% |
| Base Clock | 1,257 MHz | 2,670 MHz+53% |
| Memory | ||
| VRAM | 8 GB | 12 GB+33% |
| VRAM Type | GDDR5 | |
| GDDR6 |
| Memory Bus | 256-bit+33% | 192-bit |
| Memory Clock | 2,000 MHz | 2,375 MHz+16% |
| Memory Bandwidth | 256 | 456+44% |
| Power | ||
| TDP | 185W+3% | 190W |
| Recommended PSU | 450W | 450W |
| Power Connector | 1x 8-pin | 1x 8-pin |
| Architecture | ||
| Form Factor | desktop | desktop |
| Generation | Polaris(RX 500) | Battlemage(Arc 5) |
| Architecture | GCN 4.0 | Xe2-HPG |
| GPU Chip | Polaris 20 | BMG-G21 |
| Process Node | 14 nm GlobalFoundries | 5 nm TSMC |
| Transistors | 5.7+71% | 19.6 |
| Die Size | 232+15% | 272 |
| Features | ||
| Ray Tracing | N/A | RT Cores (20) |
| XeSS Version | N/A | 2.0 |
| AV1 Encoding | Yes | Yes |
| Connectivity | ||
| Display Outputs | 1x HDMI 2.0b, 3x DisplayPort 1.4a | 1x HDMI 2.1a, 3x DisplayPort 2.1 |
| PCIe Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Physical | ||
| Card Length | 241 mm+11% | 272 mm |
| Slot Size | Dual-slot | Dual-slot |
| Price | ||
| Release Date | 2017-04-18 | 2024-12-13 |
