Product Compare
NVIDIA L20 vs NVIDIA GeForce RTX 4090 Max-Q
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2023 | Jan 2023 |
| Generation | Server Ada | GeForce 40 Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1440 MHz | 930 MHz |
| Boost Clock | 2520 MHz | 1455 MHz |
| Memory Clock | 2250 MHz | 1750 MHz |
| Memory | ||
| Memory Size | 48GB | 16GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 864.0GB/s | 448.0GB/s |
| Render Config | ||
| SM Count | 92 | 76 |
| Shading Units | 11776 | 9728 |
| TMUs | 368 | 304 |
| ROPs | 128 | 112 |
| Tensor Cores | 368 | 304 |
| RT Cores | 92 | 76 |
| L1 Cache | 128 KB (per SM) | 128 KB (per SM) |
| L2 Cache | 96 MB | 64 MB |
| Theoretical Performance | ||
| Pixel Rate | 322.6 GPixel/s | 163.0 GPixel/s |
| Texture Rate | 927.4 GTexel/s | 442.3 GTexel/s |
| FP16 (half) | 59.35 TFLOPS | 28.31 TFLOPS |
| FP32 (float) | 59.35 TFLOPS | 28.31 TFLOPS |
| FP64 (double) | 927.4 GFLOPS | 442.3 GFLOPS |
| Graphics Processor | ||
| GPU Name | AD102 | AD103 |
| GPU Variant | AD102 | GN21-X11 |
| Architecture | Ada Lovelace | Ada Lovelace |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 4 nm |
| Transistors | 76.3 billion | 45.9 billion |
| Die Size | 609 mm² | 379 mm² |
| Board Design | ||
| TDP | 275W | 80W |
| Suggested PSU | 600 W | |
| Outputs | 4x DisplayPort 1.4a | Portable Device Dependent |
| Power Connectors | 1x 16-pin | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.4 | 1.3 |
| CUDA | 8.9 | 8.9 |
| Shader Model | 6.9 | 6.7 |