Product Compare
AMD Radeon RX 6900 XTX vs NVIDIA GeForce RTX 3080 Mobile
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Unknown | Jan 2021 |
| Generation | Navi II | GeForce 30 Mobile |
| Type | Desktop | Mobile |
| Bus Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 2075 MHz | 1110 MHz |
| Boost Clock | 2435 MHz | 1545 MHz |
| Memory Clock | 2250 MHz | 1750 MHz |
| Memory | ||
| Memory Size | 16GB | 8GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 576.0GB/s | 448.0GB/s |
| Render Config | ||
| Compute Units | 80 | |
| Shading Units | 5120 | 6144 |
| TMUs | 320 | 192 |
| ROPs | 128 | 96 |
| RT Cores | 80 | 48 |
| L1 Cache | 128 KB per Array | 128 KB (per SM) |
| L2 Cache | 4 MB | 4 MB |
| L3 Cache | 128 MB | |
| SM Count | 48 | |
| Tensor Cores | 192 | |
| Theoretical Performance | ||
| Pixel Rate | 311.7 GPixel/s | 148.3 GPixel/s |
| Texture Rate | 779.2 GTexel/s | 296.6 GTexel/s |
| FP16 (half) | 49.87 TFLOPS | 18.98 TFLOPS |
| FP32 (float) | 24.93 TFLOPS | 18.98 TFLOPS |
| FP64 (double) | 1.558 TFLOPS | 296.6 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | GA104 |
| GPU Variant | Navi 21 XTXH(215-121000247) | GA104-775-A1 |
| Architecture | RDNA 2.0 | Ampere |
| Foundry | TSMC | Samsung |
| Process Size | 7 nm | 8 nm |
| Transistors | 26.8 billion | 17.4 billion |
| Die Size | 520 mm² | 392 mm² |
| Board Design | ||
| TDP | 330W | 115W |
| Suggested PSU | 700 W | |
| Outputs | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C | No outputs |
| Power Connectors | 2x 8-pin | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.3 | 1.3 |
| Shader Model | 6.5 | 6.6 |
| CUDA | 8.6 | |