Product Compare
NVIDIA Tesla K20X vs AMD P30PH
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Nov 2012 | Unknown |
| Generation | Tesla | Mining GPUs |
| Type | Professional | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1300 MHz | 2100 MHz |
| Base Clock | 1120 MHz | |
| Boost Clock | 1206 MHz | |
| Memory | ||
| Memory Size | 6GB | 4GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 249.6GB/s | 268.8GB/s |
| Render Config | ||
| Shading Units | 2688 | 2048 |
| TMUs | 224 | 128 |
| ROPs | 48 | 32 |
| L1 Cache | 16 KB (per SMX) | 16 KB (per CU) |
| L2 Cache | 1536 KB | 2 MB |
| Compute Units | 32 | |
| Theoretical Performance | ||
| Pixel Rate | 40.99 GPixel/s | 38.59 GPixel/s |
| Texture Rate | 164.0 GTexel/s | 154.4 GTexel/s |
| FP32 (float) | 3.935 TFLOPS | 4.940 TFLOPS |
| FP64 (double) | 1312 GFLOPS | 308.7 GFLOPS |
| FP16 (half) | 4.940 TFLOPS | |
| Graphics Processor | ||
| GPU Name | GK110 | Polaris 20 |
| Architecture | Kepler | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Process Size | 28 nm | 14 nm |
| Transistors | 7.08 billion | 5.7 billion |
| Die Size | 561 mm² | 232 mm² |
| Board Design | ||
| TDP | 235W | 180W |
| Suggested PSU | 550 W | 450 W |
| Outputs | No outputs | 1x HDMI 2.0b |
| Power Connectors | 1x 6-pin + 1x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (11_0) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | 1.1 | 1.3 |
| CUDA | 3.5 | |
| Shader Model | 5.1 | 6.7 |