| Spec | RX 5500 XT | RX 6400 |
|---|---|---|
| Performance | ||
| FP32 Performance | 5.2 TFLOPS+46% | 3.56 TFLOPS |
| FP16 Performance | 10.39 TFLOPS+46% | 7.13 TFLOPS |
| Stream Processors | 1,408+83% | 768 |
| Boost Clock | 1,845 MHz | 2,321 MHz+21% |
| Base Clock | 1,607 MHz | 1,923 MHz+16% |
| Memory | ||
| VRAM | 4 GB | 4 GB |
| VRAM Type | GDDR6 | GDDR6 |
| Memory Bus | 128-bit+100% | 64-bit |
| Memory Clock | 1,750 MHz | 2,000 MHz+12% |
| Memory Bandwidth | 224+75% | 128 |
| Power | ||
| TDP | 130W | 53W+145% |
| Recommended PSU | 300W | 250W+20% |
| Power Connector | 1x 8-pin | N/A |
| Architecture | ||
| Form Factor | desktop | desktop |
| Generation | Navi(RX 5000) | Navi II(RX 6000) |
| Architecture | RDNA 1.0 | RDNA 2.0 |
| GPU Chip | Navi 14 | Navi 24 |
| Process Node | 7 nm TSMC | 6 nm TSMC |
| Transistors | 6.4 | 5.4+19% |
| Die Size | 158 | 107+48% |
| Features | ||
| Ray Tracing | N/A | RT Cores (12) |
| Ray Accelerators | N/A | 12 |
| FSR Version | 1 | 2 |
| AV1 Encoding | Yes | N/A |
| Connectivity | ||
| Display Outputs | 1x HDMI 2.0b, 3x DisplayPort 1.4a | 1x HDMI 2.1, 1x DisplayPort 1.4a |
| PCIe Interface | PCIe 4.0 x8 | PCIe 4.0 x4 |
| Physical | ||
| Card Length | 180 mm | N/A |
| Slot Size | Dual-slot | Single-slot |
| Price | ||
| Release Date | 2019-12-12 | 2022-01-19 |