| Spec | RX 480 | RX 590 |
|---|---|---|
| Performance | ||
| FP32 Performance | 5.83 TFLOPS | 7.12 TFLOPS+18% |
| FP16 Performance | 5.83 TFLOPS | 7.12 TFLOPS+18% |
| Stream Processors | 2,304 | 2,304 |
| Boost Clock | 1,266 MHz | 1,545 MHz+18% |
| Base Clock | 1,120 MHz | 1,469 MHz+24% |
| Memory | ||
| VRAM | 8 GB | 8 GB |
| VRAM Type | GDDR5 | GDDR5 |
| Memory Bus |
| 256-bit |
| 256-bit |
| Memory Clock | 2,000 MHz | 2,000 MHz |
| Memory Bandwidth | 256 | 256 |
| Power | ||
| TDP | 150W+14% | 175W |
| Recommended PSU | 450W | 450W |
| Power Connector | 1x 6-pin | 1x 8-pin |
| Architecture | ||
| Form Factor | desktop | desktop |
| Generation | Arctic Islands(RX 400) | Polaris(RX 500) |
| Architecture | GCN 4.0 | GCN 4.0 |
| GPU Chip | Ellesmere | Polaris 30 |
| Process Node | 14 nm GlobalFoundries | 12 nm GlobalFoundries |
| Transistors | 5.7 | 5.7 |
| Die Size | 232 | 232 |
| Features | ||
| AV1 Encoding | Yes | Yes |
| Connectivity | ||
| Display Outputs | 1x HDMI 2.0b, 3x DisplayPort 1.4a | 1x HDMI 2.0b, 3x DisplayPort 1.4a |
| PCIe Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Physical | ||
| Card Length | 240 mm | 241 mm |
| Slot Size | Dual-slot | Dual-slot |
| Price | ||
| Release Date | 2016-06-29 | 2018-11-15 |
