| Spec | RX 580 | GTX 1660 |
|---|---|---|
| Performance | ||
| FP32 Performance | 6.17 TFLOPS+23% | 5.03 TFLOPS |
| FP16 Performance | 6.17 TFLOPS | 10.05 TFLOPS+39% |
| Shader Units | 2,304+64% | 1,408 |
| Boost Clock | 1,340 MHz | 1,785 MHz+25% |
| Base Clock | 1,257 MHz | 1,530 MHz+18% |
| Memory | ||
| VRAM | 8 GB+33% | 6 GB |
| VRAM Type | GDDR5 | |
| GDDR5 |
| Memory Bus | 256-bit+33% | 192-bit |
| Memory Clock | 2,000 MHz | 2,001 MHz |
| Memory Bandwidth | 256+33% | 192.1 |
| Power | ||
| TDP | 185W | 120W+54% |
| Recommended PSU | 450W | 300W+50% |
| Power Connector | 1x 8-pin | 1x 8-pin |
| Architecture | ||
| Form Factor | desktop | desktop |
| Generation | Polaris(RX 500) | GeForce 16 |
| Architecture | GCN 4.0 | Turing |
| GPU Chip | Polaris 20 | TU116 |
| Process Node | 14 nm GlobalFoundries | 12 nm TSMC |
| Transistors | 5.7+14% | 6.6 |
| Die Size | 232+18% | 284 |
| Features | ||
| DLSS Version | N/A | 2 |
| AV1 Encoding | Yes | N/A |
| Connectivity | ||
| Display Outputs | 1x HDMI 2.0b, 3x DisplayPort 1.4a | 1x DVI, 1x HDMI 2.0, 1x DisplayPort 1.4a |
| PCIe Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Physical | ||
| Card Length | 241 mm | 229 mm+5% |
| Slot Size | Dual-slot | Dual-slot |
| Price | ||
| Release Date | 2017-04-18 | 2019-03-14 |
