| Spec | RX 6900 XT | RTX 4090 Mobile |
|---|---|---|
| Performance | ||
| FP32 Performance | 23.04 TFLOPS | 32.98 TFLOPS+30% |
| FP16 Performance | 46.08 TFLOPS+40% | 32.98 TFLOPS |
| Shader Units | 5,120 | 9,728+47% |
| Boost Clock | 2,250 MHz+33% | 1,695 MHz |
| Base Clock | 1,825 MHz+37% | 1,335 MHz |
| Memory | ||
| VRAM | 16 GB | 16 GB |
| VRAM Type | GDDR6 | GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Clock | 2,000 MHz | 2,250 MHz+11% |
| Memory Bandwidth | 512 | 576+11% |
| Power | ||
| TDP | 300W | 120W+150% |
| Recommended PSU | 700W | N/A |
| Power Connector | 2x 8-pin | N/A |
| Architecture | ||
| Form Factor | desktop | mobile |
| Generation | Navi II(RX 6000) | GeForce 40 Mobile |
| Architecture | RDNA 2.0 | Ada Lovelace |
| GPU Chip | Navi 21 | AD103 |
| Process Node | 7 nm TSMC | 5 nm TSMC |
| Transistors | 26.8+42% | 45.9 |
| Die Size | 520 | 379+37% |
| Features | ||
| Ray Tracing | RT Cores (80) | RT Cores (76) |
| Tensor Cores | N/A | 304 |
| Ray Accelerators | 80 | N/A |
| DLSS Version | N/A | 3.5 |
| FSR Version | 2 | N/A |
| AV1 Encoding | N/A | Yes |
| Connectivity | ||
| Display Outputs | 1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C | N/A |
| PCIe Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Physical | ||
| Card Length | 267 mm | N/A |
| Slot Size | Triple-slot | N/A |
| Price | ||
| Release Date | 2020-10-28 | 2023-01-03 |
