Intel Aubrey Isle vs AMD Radeon HD 7970 X2
What is the difference between Intel Aubrey Isle and AMD Radeon HD 7970 X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Knights Ferry | GPU Name | New Zealand |
| Knights | Architecture | GCN 1.0 |
| Intel | Foundry | TSMC |
| 45 nm | Process Size | 28 nm |
| 2,300 million | Transistors | 4,313 million |
| 684 mm² | Die Size | 352 mm² |
Graphics Card
| May 31st, 2010 | Release Date | Aug 31st, 2012 |
| Knights Ferry | Family | Southern Islands (HD 7900) |
| End-of-life | Production | End-of-life |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 3 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 512 bit | Memory Bus | 384 bit x2 |
Clock Speeds
| 1200 MHz 4.8 Gbps effective | Memory Clock | 1375 MHz 5.5 Gbps effective |
| 1200 MHz | GPU Clock | 925 MHz |
Render Config
| 32 | TMUs | 128 x2 |
| 4 | ROPs | 32 x2 |
Board Design
| 267 mm 10.5 inches | Length | 308 mm 12.1 inches |
| 300 W | Thermal design power (TDP) | 500 W |
| 700 W | Suggested PSU | 900 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 2x mini-DisplayPort |
| 1x 6-pin + 1x 8-pin | Power Connectors | 3x 8-pin |
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 |