AMD Radeon HD 8990 OEM vs NVIDIA GeForce GTX 680
What is the difference between AMD Radeon HD 8990 OEM and NVIDIA GeForce GTX 680. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Malta | GPU Name | GK104 |
| Malta XT (215-0849026) | Model number | GK104-400-A2 |
| GCN 1.0 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 4,313 million | Transistors | 3,540 million |
| 365 mm² | Die Size | 294 mm² |
Graphics Card
| Apr 24th, 2013 | Release Date | Mar 22nd, 2012 |
| Sea Islands (HD 8900) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | GeForce 500 |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB x2 | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit x2 | Memory Bus | 256 bit |
Clock Speeds
| 950 MHz | Base Clock | 1006 MHz |
| 1000 MHz | Boost Clock | 1058 MHz |
| 1500 MHz 6 Gbps effective | Memory Clock | 1502 MHz 6 Gbps effective |
Render Config
| 128 x2 | TMUs | 128 |
| 32 x2 | ROPs | 32 |
Board Design
| 307 mm 12.1 inches | Length | 256 mm 10.1 inches |
| 375 W | Thermal design power (TDP) | 195 W |
| 750 W | Suggested PSU | 450 W |
| 1x DVI 4x mini-DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 2x 8-pin | Power Connectors | 2x 6-pin |
API support
| 12 (11_1) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 5.1 | Shader Model | 5.1 |