AMD Radeon HD 7970 GHz Edition vs AMD Radeon HD 7990
What is the difference between AMD Radeon HD 7970 GHz Edition and AMD Radeon HD 7990. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Tahiti | GPU Name | Malta |
| Tahiti XT2 (215-0821065) | Model number | Malta XT (215-0849026) |
| 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 | 365 mm² |
Graphics Card
| Jun 22nd, 2012 | Release Date | Apr 24th, 2013 |
| Southern Islands (HD 7900) | Family | Southern Islands (HD 7900) |
| End-of-life | Production | End-of-life |
| 499 USD | Launch Price | 999 USD |
| Northern Islands | Predecessor | Northern Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB | Memory Size | 3 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit | Memory Bus | 384 bit x2 |
Clock Speeds
| 1000 MHz | Base Clock | 950 MHz |
| 1050 MHz | Boost Clock | 1000 MHz |
| 1500 MHz 6 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 128 | TMUs | 128 x2 |
| 32 | ROPs | 32 x2 |
Board Design
| 275 mm 10.8 inches | Length | 304 mm 12 inches |
| 111 mm 4.4 inches | Width | 106 mm 4.2 inches |
| 38 mm 1.5 inches | Height | 38 mm 1.5 inches |
| 300 W | Thermal design power (TDP) | 375 W |
| 700 W | Suggested PSU | 750 W |
| 1x DVI 1x HDMI 2x mini-DisplayPort | Display Connectors | 1x DVI 4x mini-DisplayPort |
| 1x 6-pin + 1x 8-pin | Power Connectors | 2x 8-pin |
| C386-37 | Board Number | C476-37 |
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 |