| Spec | RX 6600 XT | RTX 5090 Mobile |
|---|---|---|
| Performance | ||
| FP32 Performance | 10.6 TFLOPS | 31.8 TFLOPS+67% |
| FP16 Performance | 21.21 TFLOPS | 31.8 TFLOPS+33% |
| Shader Units | 2,048 | 10,496+80% |
| Boost Clock | 2,589 MHz+71% | 1,515 MHz |
| Base Clock | 1,968 MHz+99% | 990 MHz |
| Memory | ||
| VRAM | 8 GB | 24 GB+67% |
| VRAM Type | GDDR6 | |
| GDDR7 |
| Memory Bus | 128-bit | 256-bit+50% |
| Memory Clock | 2,000 MHz+14% | 1,750 MHz |
| Memory Bandwidth | 256 | 896+71% |
| Power | ||
| TDP | 160W | 95W+68% |
| Recommended PSU | 450W | N/A |
| Power Connector | 1x 8-pin | N/A |
| Architecture | ||
| Form Factor | desktop | mobile |
| Generation | Navi II(RX 6000) | GeForce 50 Mobile |
| Architecture | RDNA 2.0 | Blackwell 2.0 |
| GPU Chip | Navi 23 | GB203 |
| Process Node | 7 nm TSMC | 5 nm TSMC |
| Transistors | 11.06+76% | 45.6 |
| Die Size | 237+37% | 378 |
| Features | ||
| Ray Tracing | RT Cores (32) | RT Cores (82) |
| Tensor Cores | N/A | 328 |
| Ray Accelerators | 32 | N/A |
| DLSS Version | N/A | 4 |
| FSR Version | 2 | N/A |
| AV1 Encoding | N/A | Yes |
| Connectivity | ||
| Display Outputs | 1x HDMI 2.1, 3x DisplayPort 1.4a | N/A |
| PCIe Interface | PCIe 4.0 x8 | PCIe 5.0 x16 |
| Physical | ||
| Card Length | 190 mm | N/A |
| Slot Size | Dual-slot | N/A |
| Price | ||
| Release Date | 2021-07-30 | 2025-03-27 |