AMD Radeon HD 8990 OEM vs AMD Radeon R9 280X2
What is the difference between AMD Radeon HD 8990 OEM and AMD Radeon R9 280X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Malta | GPU Name | Tahiti |
| Malta XT (215-0849026) | Model number | Tahiti XTL (215-0821065) |
| GCN 1.0 | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 4,313 million | Transistors | 4,313 million |
| 365 mm² | Die Size | 352 mm² |
Graphics Card
| Apr 24th, 2013 | Release Date | Unknown |
| Sea Islands (HD 8900) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| Southern Islands | Predecessor | Sea Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB x2 | Memory Size | 3 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit x2 | Memory Bus | 384 bit x2 |
Clock Speeds
| 950 MHz | Base Clock | 950 MHz |
| 1000 MHz | Boost Clock | 1000 MHz |
| 1500 MHz 6 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 128 x2 | TMUs | 128 x2 |
| 32 x2 | ROPs | 32 x2 |
Board Design
| 307 mm 12.1 inches | Length | 315 mm 12.4 inches |
| 375 W | Thermal design power (TDP) | 375 W |
| 750 W | Suggested PSU | 750 W |
| 1x DVI 4x mini-DisplayPort | Display Connectors | 6x mini-DisplayPort |
| 2x 8-pin | Power Connectors | 3x 8-pin |
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 |