Product Compare
NVIDIA GeForce RTX 5070 Ti Mobile vs AMD Radeon Instinct MI455X
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2025 | Jul 2026 |
| Generation | GeForce 50 Mobile | Radeon Instinct |
| Type | Mobile | Desktop |
| Bus Interface | PCIe 5.0 x16 | PCIe 6.0 x16 |
| Clock Speeds | ||
| Base Clock | 847 MHz | 1000 MHz |
| Boost Clock | 1447 MHz | 2400 MHz |
| Memory Clock | 1750 MHz | 1900 MHz |
| Memory | ||
| Memory Size | 12GB | 432GB |
| Memory Type | GDDR7 | HBM4 |
| Memory Bus | 192bit | 24576bit |
| Bandwidth | 672.0GB/s | 23.3TB/s |
| Render Config | ||
| SM Count | 46 | |
| Shading Units | 5888 | 32768 |
| TMUs | 184 | 1024 |
| ROPs | 80 | 0 |
| Tensor Cores | 184 | |
| RT Cores | 46 | |
| L1 Cache | 128 KB (per SM) | 32 KB (per CU) |
| L2 Cache | 48 MB | 192 MB |
| Compute Units | 256 | |
| Theoretical Performance | ||
| Pixel Rate | 115.8 GPixel/s | 0 MPixel/s |
| Texture Rate | 266.2 GTexel/s | 2457.6 GTexel/s |
| FP16 (half) | 17.04 TFLOPS | 157.3 TFLOPS |
| FP32 (float) | 17.04 TFLOPS | 157.3 TFLOPS |
| FP64 (double) | 266.2 GFLOPS | 2.458 TFLOPS |
| Graphics Processor | ||
| GPU Name | GB205 | MI450 256CU |
| GPU Variant | GB205 | |
| Architecture | Blackwell 2.0 | CDNA 5.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 2 nm |
| Transistors | 31.1 billion | 320 billion |
| Die Size | 263 mm² | Unknown |
| Board Design | ||
| TDP | 60-115W | 2300W |
| Suggested PSU | 250 W | 2700 W |
| Outputs | Portable Device Dependent | No outputs |
| Power Connectors | None | None |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.4 | N/A |
| CUDA | 12.0 | |
| Shader Model | 6.8 | N/A |