Product Compare
NVIDIA Tesla P4 vs AMD Radeon HD 6850 X2
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2016 | Sep 2011 |
| Generation | Tesla | Northern Islands |
| Type | Professional | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Clock Speeds | ||
| Base Clock | 886 MHz | |
| Boost Clock | 1114 MHz | |
| Memory Clock | 1502 MHz | 1050 MHz |
| Memory | ||
| Memory Size | 8GB | 2GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 192.3GB/s | 134.4GB/s |
| Render Config | ||
| SM Count | 20 | |
| Shading Units | 2560 | 960 |
| TMUs | 160 | 48 |
| ROPs | 64 | 32 |
| L1 Cache | 48 KB (per SM) | 8 KB (per CU) |
| L2 Cache | 2 MB | 512 KB |
| Compute Units | 12 | |
| Theoretical Performance | ||
| Pixel Rate | 71.30 GPixel/s | 25.60 GPixel/s |
| Texture Rate | 178.2 GTexel/s | 38.40 GTexel/s |
| FP16 (half) | 89.12 GFLOPS | |
| FP32 (float) | 5.704 TFLOPS | 1.536 TFLOPS |
| FP64 (double) | 178.2 GFLOPS | |
| Graphics Processor | ||
| GPU Name | GP104 | Barts |
| GPU Variant | GP104-895-A1 | Barts PRO(215-0798006) |
| Architecture | Pascal | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process Size | 16 nm | 40 nm |
| Transistors | 7.2 billion | 1.7 billion |
| Die Size | 314 mm² | 255 mm² |
| Board Design | ||
| TDP | 75W | 254W |
| Suggested PSU | 250 W | 600 W |
| Outputs | No outputs | 2x DVI1x HDMI 1.3a1x DisplayPort 1.1 |
| Power Connectors | None | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (12_1) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.3 | N/A |
| CUDA | 6.1 | |
| Shader Model | 6.4 | 5.0 |