Intel Xeon Phi 7120P vs AMD Radeon HD 7870 GHz Edition
What is the difference between Intel Xeon Phi 7120P and AMD Radeon HD 7870 GHz Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Knights Corner | GPU Name | Pitcairn |
| Knights | Architecture | GCN 1.0 |
| Intel | Foundry | TSMC |
| 22 nm | Process Size | 28 nm |
| 5,000 million | Transistors | 2,800 million |
| 350 mm² | Die Size | 212 mm² |
Graphics Card
| Jun 17th, 2013 | Release Date | Mar 5th, 2012 |
| Knights Corner (x100) | Family | Southern Islands (HD 7800) |
| End-of-life | Production | End-of-life |
| 4,129 USD | Launch Price | 349 USD |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 16 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 512 bit | Memory Bus | 256 bit |
| 352.0 GB/s | Bandwidth | 153.6 GB/s |
Performance
| 81.31 GPixel/s | Pixel fillrate | 32.00 GPixel/s |
| 81.31 GTexel/s | Texture fillrate | 80.00 GTexel/s |
| 650.5 GFLOPS | FP32 (float) performance | 2.560 TFLOPS |
Clock Speeds
| 1375 MHz 5.5 Gbps effective | Memory Clock | 1200 MHz 4.8 Gbps effective |
Render Config
| 244 | Shading Units | 1280 |
| 61 | TMUs | 80 |
| 61 | ROPs | 32 |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 248 mm 9.8 inches | Length | 241 mm 9.5 inches |
| 300 W | Thermal design power (TDP) | 175 W |
| 700 W | Suggested PSU | 450 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 2x mini-DisplayPort |
API support
| 11.1 | DirectX | 12 (11_1) |
| 4.3 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 5.1 |