Product Compare
NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon Pro V420
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2023 | Unknown |
| Generation | GeForce 40 Mobile | Radeon Pro Vega |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 930 MHz | 800 MHz |
| Boost Clock | 1455 MHz | 1700 MHz |
| Memory Clock | 1750 MHz | 800 MHz |
| Memory | ||
| Memory Size | 16GB | 32GB |
| Memory Type | GDDR6 | HBM2 |
| Memory Bus | 256bit | 4096bit |
| Bandwidth | 448.0GB/s | 819.2GB/s |
| Render Config | ||
| SM Count | 76 | |
| Shading Units | 9728 | 4096 |
| TMUs | 304 | 256 |
| ROPs | 112 | 64 |
| Tensor Cores | 304 | |
| RT Cores | 76 | |
| L1 Cache | 128 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 64 MB | 4 MB |
| Compute Units | 64 | |
| Theoretical Performance | ||
| Pixel Rate | 163.0 GPixel/s | 108.8 GPixel/s |
| Texture Rate | 442.3 GTexel/s | 435.2 GTexel/s |
| FP16 (half) | 28.31 TFLOPS | 27.85 TFLOPS |
| FP32 (float) | 28.31 TFLOPS | 13.93 TFLOPS |
| FP64 (double) | 442.3 GFLOPS | 6.963 TFLOPS |
| Graphics Processor | ||
| GPU Name | AD103 | Vega 20 |
| GPU Variant | GN21-X11 | Vega 20 GLXT WS(215-0914026) |
| Architecture | Ada Lovelace | GCN 5.1 |
| Foundry | TSMC | TSMC |
| Process Size | 4 nm | 7 nm |
| Transistors | 45.9 billion | 13.23 billion |
| Die Size | 379 mm² | 331 mm² |
| Board Design | ||
| TDP | 80W | 300W |
| Outputs | Portable Device Dependent | 6x mini-DisplayPort 1.4a |
| Power Connectors | None | 1x 6-pin + 1x 8-pin |
| Suggested PSU | 700 W | |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | 1.3 | 1.3 |
| CUDA | 8.9 | |
| Shader Model | 6.7 | 6.7 |