| Spec | RX 6400 | RX 7900 GRE |
|---|---|---|
| Performance | ||
| FP32 Performance | 3.56 TFLOPS | 45.98 TFLOPS+92% |
| FP16 Performance | 7.13 TFLOPS | 91.96 TFLOPS+92% |
| Stream Processors | 768 | 5,120+85% |
| Boost Clock | 2,321 MHz+3% | 2,245 MHz |
| Base Clock | 1,923 MHz+49% | 1,287 MHz |
| Memory | ||
| VRAM | 4 GB | 16 GB+75% |
| VRAM Type | GDDR6 | |
| GDDR6 |
| Memory Bus | 64-bit | 256-bit+75% |
| Memory Clock | 2,000 MHz | 2,250 MHz+11% |
| Memory Bandwidth | 128 | 576+78% |
| Power | ||
| TDP | 53W+80% | 260W |
| Recommended PSU | 250W+58% | 600W |
| Power Connector | N/A | 2x 8-pin |
| Architecture | ||
| Form Factor | desktop | desktop |
| Generation | Navi II(RX 6000) | Navi III(RX 7000) |
| Architecture | RDNA 2.0 | RDNA 3.0 |
| GPU Chip | Navi 24 | Navi 31 |
| Process Node | 6 nm TSMC | 5 nm TSMC |
| Transistors | 5.4+91% | 57.7 |
| Die Size | 107+80% | 529 |
| Features | ||
| Ray Tracing | RT Cores (12) | RT Cores (80) |
| Ray Accelerators | 12 | 80+85% |
| FSR Version | 2 | 3.1 |
| AV1 Encoding | N/A | Yes |
| Connectivity | ||
| Display Outputs | 1x HDMI 2.1, 1x DisplayPort 1.4a | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C |
| PCIe Interface | PCIe 4.0 x4 | PCIe 4.0 x16 |
| Physical | ||
| Card Length | N/A | 276 mm |
| Slot Size | Single-slot | Dual-slot |
| Price | ||
| Release Date | 2022-01-19 | 2023-07-27 |
