Intel Xeon Phi 3120A vs AMD Radeon R9 260 OEM
What is the difference between Intel Xeon Phi 3120A and AMD Radeon R9 260 OEM. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Knights Corner | GPU Name | Bonaire |
| Knights | Architecture | GCN 2.0 |
| Intel | Foundry | TSMC |
| 22 nm | Process Size | 28 nm |
| 5,000 million | Transistors | 2,080 million |
| 350 mm² | Die Size | 160 mm² |
Graphics Card
| Nov 12th, 2012 | Release Date | Dec 21st, 2013 |
| Knights Corner (x100) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 6 GB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit | Memory Bus | 128 bit |
| 240.0 GB/s | Bandwidth | 104.0 GB/s |
Performance
| 62.70 GPixel/s | Pixel fillrate | 17.60 GPixel/s |
| 62.70 GTexel/s | Texture fillrate | 61.60 GTexel/s |
| 501.6 GFLOPS | FP32 (float) performance | 1.971 TFLOPS |
Clock Speeds
| 1250 MHz 5 Gbps effective | Memory Clock | 1625 MHz 6.5 Gbps effective |
| 1100 MHz | GPU Clock | 1100 MHz |
Render Config
| 228 | Shading Units | 896 |
| 57 | TMUs | 56 |
| 57 | ROPs | 16 |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 248 mm 9.8 inches | Length | 183 mm 7.2 inches |
| 300 W | Thermal design power (TDP) | 85 W |
| 700 W | Suggested PSU | 250 W |
| No outputs | Display Connectors | 1x DVI 1x HDMI 2x mini-DisplayPort |
API support
| 11.1 | DirectX | 12 (12_0) |
| 4.3 | OpenGL | 4.6 |
| 1.2 | OpenCL | 2.0 |
| N/A | Vulkan | 1.2 |
| 5.0 | Shader Model | 6.3 |