Product Compare
NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce RTX 4080
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2023 | Sep 2022 |
| Generation | GeForce 40 Mobile | GeForce 40 |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 930 MHz | 2205 MHz |
| Boost Clock | 1455 MHz | 2505 MHz |
| Memory Clock | 1750 MHz | 1400 MHz |
| Memory | ||
| Memory Size | 16GB | 16GB |
| Memory Type | GDDR6 | GDDR6X |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 448.0GB/s | 716.8GB/s |
| Render Config | ||
| SM Count | 76 | 76 |
| Shading Units | 9728 | 9728 |
| TMUs | 304 | 304 |
| ROPs | 112 | 112 |
| Tensor Cores | 304 | 304 |
| RT Cores | 76 | 76 |
| L1 Cache | 128 KB (per SM) | 128 KB (per SM) |
| L2 Cache | 64 MB | 64 MB |
| Theoretical Performance | ||
| Pixel Rate | 163.0 GPixel/s | 280.6 GPixel/s |
| Texture Rate | 442.3 GTexel/s | 761.5 GTexel/s |
| FP16 (half) | 28.31 TFLOPS | 48.74 TFLOPS |
| FP32 (float) | 28.31 TFLOPS | 48.74 TFLOPS |
| FP64 (double) | 442.3 GFLOPS | 761.5 GFLOPS |
| Graphics Processor | ||
| GPU Name | AD103 | AD103 |
| GPU Variant | GN21-X11 | AD103-300-A1 |
| Architecture | Ada Lovelace | Ada Lovelace |
| Foundry | TSMC | TSMC |
| Process Size | 4 nm | 5 nm |
| Transistors | 45.9 billion | 45.9 billion |
| Die Size | 379 mm² | 379 mm² |
| Board Design | ||
| TDP | 80W | 320W |
| Outputs | Portable Device Dependent | 1x HDMI 2.13x DisplayPort 1.4a |
| Power Connectors | None | 1x 16-pin |
| Suggested PSU | 700 W | |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.3 | 1.3 |
| CUDA | 8.9 | 8.9 |
| Shader Model | 6.7 | 6.7 |