Product Compare
NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon R9 M390X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2022 | May 2015 |
| Generation | GeForce 30 Mobile | Crystal System |
| Type | Mobile | Mobile |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 810 MHz | |
| Boost Clock | 1260 MHz | |
| Memory Clock | 2000 MHz | 1250 MHz |
| Memory | ||
| Memory Size | 16GB | 4GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 512.0GB/s | 160.0GB/s |
| Render Config | ||
| SM Count | 58 | |
| Shading Units | 7424 | 2048 |
| TMUs | 232 | 128 |
| ROPs | 96 | 32 |
| Tensor Cores | 232 | |
| RT Cores | 58 | |
| L1 Cache | 128 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 4 MB | 512 KB |
| Compute Units | 32 | |
| Theoretical Performance | ||
| Pixel Rate | 121.0 GPixel/s | 23.14 GPixel/s |
| Texture Rate | 292.3 GTexel/s | 92.54 GTexel/s |
| FP16 (half) | 18.71 TFLOPS | 2.961 TFLOPS |
| FP32 (float) | 18.71 TFLOPS | 2.961 TFLOPS |
| FP64 (double) | 292.3 GFLOPS | 185.1 GFLOPS |
| Graphics Processor | ||
| GPU Name | GA103S | Amethyst |
| GPU Variant | GN20-E8-A1 | Amethyst XT |
| Architecture | Ampere | GCN 3.0 |
| Foundry | Samsung | TSMC |
| Process Size | 8 nm | 28 nm |
| Transistors | Unknown | 5 billion |
| Die Size | 496 mm² | 366 mm² |
| Board Design | ||
| TDP | 115W | 75W |
| Outputs | No outputs | No outputs |
| Power Connectors | None | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | 1.3 | 1.2 |
| CUDA | 8.6 | |
| Shader Model | 6.5 | 6.3 |