Product Compare
AMD Radeon Instinct MI250X vs NVIDIA GeForce GTX 660 OEM
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2021 | Aug 2012 |
| Generation | Radeon Instinct | GeForce 600 |
| Type | Professional | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1000 MHz | 823 MHz |
| Boost Clock | 1700 MHz | 888 MHz |
| Memory Clock | 1600 MHz | 1400 MHz |
| Memory | ||
| Memory Size | 128GB | 1536MB |
| Memory Type | HBM2e | GDDR5 |
| Memory Bus | 8192bit | 192bit |
| Bandwidth | 3277GB/s | 134.4GB/s |
| Render Config | ||
| Compute Units | 220 | |
| Shading Units | 14080 | 1152 |
| TMUs | 880 | 96 |
| ROPs | 0 | 24 |
| L1 Cache | 16 KB (per CU) | 16 KB (per SMX) |
| L2 Cache | 16 MB | 384 KB |
| Theoretical Performance | ||
| Pixel Rate | 0 MPixel/s | 21.31 GPixel/s |
| Texture Rate | 1496 GTexel/s | 85.25 GTexel/s |
| FP16 (half) | 383.0 TFLOPS | |
| FP32 (float) | 47.87 TFLOPS | 2.046 TFLOPS |
| FP64 (double) | 47.87 TFLOPS | 85.25 GFLOPS |
| Graphics Processor | ||
| GPU Name | Aldebaran | GK104 |
| GPU Variant | Aldebaran XT | GK104-200-KD-A2 |
| Architecture | CDNA 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Process Size | 6 nm | 28 nm |
| Transistors | 58.2 billion | 3.54 billion |
| Die Size | Unknown | 294 mm² |
| Board Design | ||
| TDP | 500W | 130W |
| Suggested PSU | 900 W | 300 W |
| Outputs | No outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | 2x 8-pin | 1x 6-pin |
| Graphics Features | ||
| DirectX | N/A | 12 (11_0) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | N/A | 1.1 |
| Shader Model | N/A | 5.1 |
| CUDA | 3.0 | |