Product Compare
AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4090 Max-Q
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2022 | Jan 2023 |
| Generation | Navi III | GeForce 40 Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1387 MHz | 930 MHz |
| Boost Clock | 2394 MHz | 1455 MHz |
| Memory Clock | 2500 MHz | 1750 MHz |
| Memory | ||
| Memory Size | 20GB | 16GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 320bit | 256bit |
| Bandwidth | 800.0GB/s | 448.0GB/s |
| Render Config | ||
| Compute Units | 84 | |
| Shading Units | 5376 | 9728 |
| TMUs | 336 | 304 |
| ROPs | 192 | 112 |
| RT Cores | 84 | 76 |
| L1 Cache | 256 KB per Array | 128 KB (per SM) |
| L2 Cache | 6 MB | 64 MB |
| L3 Cache | 80 MB | |
| SM Count | 76 | |
| Tensor Cores | 304 | |
| Theoretical Performance | ||
| Pixel Rate | 459.6 GPixel/s | 163.0 GPixel/s |
| Texture Rate | 804.4 GTexel/s | 442.3 GTexel/s |
| FP16 (half) | 103.0 TFLOPS | 28.31 TFLOPS |
| FP32 (float) | 51.48 TFLOPS | 28.31 TFLOPS |
| FP64 (double) | 1.609 TFLOPS | 442.3 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 31 | AD103 |
| GPU Variant | Navi 31 XT(215-145000156) | GN21-X11 |
| Architecture | RDNA 3.0 | Ada Lovelace |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 4 nm |
| Transistors | 57.7 billion | 45.9 billion |
| Die Size | 529 mm² | 379 mm² |
| Board Design | ||
| TDP | 300W | 80W |
| Suggested PSU | 700 W | |
| Outputs | 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C | Portable Device Dependent |
| Power Connectors | 2x 8-pin | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.2 | 3.0 |
| Vulkan | 1.3 | 1.3 |
| Shader Model | 6.8 | 6.7 |
| CUDA | 8.9 | |