Product Compare
NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon R9 390X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2022 | Jun 2015 |
| Generation | GeForce 30 Mobile | Pirate Islands |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 810 MHz | |
| Boost Clock | 1260 MHz | |
| Memory Clock | 2000 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 16GB | 8GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 256bit | 512bit |
| Bandwidth | 512.0GB/s | 384.0GB/s |
| Render Config | ||
| SM Count | 58 | |
| Shading Units | 7424 | 2816 |
| TMUs | 232 | 176 |
| ROPs | 96 | 64 |
| Tensor Cores | 232 | |
| RT Cores | 58 | |
| L1 Cache | 128 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 4 MB | 1024 KB |
| Compute Units | 44 | |
| Theoretical Performance | ||
| Pixel Rate | 121.0 GPixel/s | 67.20 GPixel/s |
| Texture Rate | 292.3 GTexel/s | 184.8 GTexel/s |
| FP16 (half) | 18.71 TFLOPS | |
| FP32 (float) | 18.71 TFLOPS | 5.914 TFLOPS |
| FP64 (double) | 292.3 GFLOPS | 739.2 GFLOPS |
| Graphics Processor | ||
| GPU Name | GA103S | Grenada |
| GPU Variant | GN20-E8-A1 | Grenada XT(215-0880004) |
| Architecture | Ampere | GCN 2.0 |
| Foundry | Samsung | TSMC |
| Process Size | 8 nm | 28 nm |
| Transistors | Unknown | 6.2 billion |
| Die Size | 496 mm² | 438 mm² |
| Board Design | ||
| TDP | 115W | 275W |
| Outputs | No outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | None | 1x 6-pin + 1x 8-pin |
| Suggested PSU | 600 W | |
| 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 |