AMD Radeon HD 7670 OEM vs AMD Radeon HD 6990
What is the difference between AMD Radeon HD 7670 OEM and AMD Radeon HD 6990. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Turks | GPU Name | Antilles |
| Turks XT (215-0803000) | Model number | Antilles XT (215-0807027) |
| TeraScale 2 | Architecture | TeraScale 3 |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 40 nm |
| 716 million | Transistors | 2,640 million |
| 118 mm² | Die Size | 389 mm² |
Graphics Card
| Jan 5th, 2012 | Release Date | Mar 8th, 2011 |
| Southern Islands (HD 7600) | Family | Northern Islands (HD 6900) |
| End-of-life | Production | End-of-life |
| Northern Islands | Predecessor | Evergreen |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 512 MB | Memory Size | 2 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit x2 |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 1250 MHz 5 Gbps effective |
| 800 MHz | GPU Clock | 830 MHz |
Render Config
| 24 | TMUs | 96 x2 |
| 8 | ROPs | 32 x2 |
Board Design
| 145 mm 5.7 inches | Length | 310 mm 12.2 inches |
| 66 W | Thermal design power (TDP) | 375 W |
| 250 W | Suggested PSU | 750 W |
| 1x DVI 1x DisplayPort 1x VGA | Display Connectors | 1x DVI 4x mini-DisplayPort |
| None | Power Connectors | 2x 8-pin |
| C243, C331, C337 | Board Number | C206-47 |
API support
| 11.2 (11_0) | DirectX | 11.2 (11_0) |
| 4.4 | OpenGL | 4.4 |
| 1.2 | OpenCL | 1.2 |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 5.0 |