AMD Radeon Sky 900 vs AMD Radeon HD 7950 Boost
What is the difference between AMD Radeon Sky 900 and AMD Radeon HD 7950 Boost. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Tahiti | GPU Name | Tahiti |
| Orthrus | Model number | Tahiti PRO2 (215-0821282) |
| GCN 1.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 4,313 million | Transistors | 4,313 million |
| 352 mm² | Die Size | 352 mm² |
Graphics Card
| Mar 27th, 2013 | Release Date | Jun 22nd, 2012 |
| Radeon Sky (x00) | Family | Southern Islands (HD 7900) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB x2 | Memory Size | 3 GB |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit x2 | Memory Bus | 384 bit |
Clock Speeds
| 825 MHz | Base Clock | 850 MHz |
| 950 MHz | Boost Clock | 925 MHz |
| 1250 MHz 5 Gbps effective | Memory Clock | 1250 MHz 5 Gbps effective |
Render Config
| 112 x2 | TMUs | 112 |
| 32 x2 | ROPs | 32 |
Board Design
| 305 mm 12 inches | Length | 275 mm 10.8 inches |
| 111 mm 4.4 inches | Width | 111 mm 4.4 inches |
| 300 W | Thermal design power (TDP) | 200 W |
| 700 W | Suggested PSU | 550 W |
| 1x DVI 1x mini-DisplayPort | Display Connectors | 1x DVI 1x HDMI 2x mini-DisplayPort |
| 2x 8-pin | Power Connectors | 2x 6-pin |
| C476 | Board Number | C386 |
API support
| 12 (11_1) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 5.1 |