| Spec | RX 6600M | Arc B580 |
|---|---|---|
| Performance | ||
| FP32 Performance | 8.66 TFLOPS | 13.67 TFLOPS+37% |
| FP16 Performance | 17.32 TFLOPS | 27.34 TFLOPS+37% |
| Shader Units | 1,792 | 2,560+30% |
| Boost Clock | 2,416 MHz | 2,670 MHz+10% |
| Base Clock | 2,068 MHz | 2,670 MHz+23% |
| Memory | ||
| VRAM | 8 GB | 12 GB+33% |
| VRAM Type | GDDR6 | |
| GDDR6 |
| Memory Bus | 128-bit | 192-bit+33% |
| Memory Clock | 1,750 MHz | 2,375 MHz+26% |
| Memory Bandwidth | 224 | 456+51% |
| Power | ||
| TDP | 100W+47% | 190W |
| Recommended PSU | N/A | 450W |
| Power Connector | N/A | 1x 8-pin |
| Architecture | ||
| Form Factor | mobile | desktop |
| Generation | Navi Mobile(RX 6000M) | Battlemage(Arc 5) |
| Architecture | RDNA 2.0 | Xe2-HPG |
| GPU Chip | Navi 23 | BMG-G21 |
| Process Node | 7 nm TSMC | 5 nm TSMC |
| Transistors | 11.06+44% | 19.6 |
| Die Size | 237+13% | 272 |
| Features | ||
| Ray Tracing | RT Cores (28) | RT Cores (20) |
| Ray Accelerators | 28 | N/A |
| FSR Version | 2 | N/A |
| XeSS Version | N/A | 2.0 |
| AV1 Encoding | N/A | Yes |
| Connectivity | ||
| Display Outputs | N/A | 1x HDMI 2.1a, 3x DisplayPort 2.1 |
| PCIe Interface | PCIe 4.0 x8 | PCIe 4.0 x8 |
| Physical | ||
| Card Length | N/A | 272 mm |
| Slot Size | N/A | Dual-slot |
| Price | ||
| Release Date | 2021-05-31 | 2024-12-13 |
