AMD Radeon HD 7990 vs AMD Radeon R9 290X2
What is the difference between AMD Radeon HD 7990 and AMD Radeon R9 290X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Malta | GPU Name | Hawaii |
| Malta XT (215-0849026) | Model number | Hawaii XT (215-0852000) |
| GCN 1.0 | Architecture | GCN 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 4,313 million | Transistors | 6,200 million |
| 365 mm² | Die Size | 438 mm² |
Graphics Card
| Apr 24th, 2013 | Release Date | Jun 24th, 2014 |
| Southern Islands (HD 7900) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| 999 USD | Launch Price | 1,399 USD |
| Northern Islands | Predecessor | Sea Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB x2 | Memory Size | 4 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit x2 | Memory Bus | 512 bit x2 |
Clock Speeds
| 1500 MHz 6 Gbps effective | Memory Clock | 1350 MHz 5.4 Gbps effective |
Render Config
| 128 x2 | TMUs | 176 x2 |
| 32 x2 | ROPs | 64 x2 |
Board Design
| 375 W | Thermal design power (TDP) | 580 W |
| 750 W | Suggested PSU | 950 W |
| 1x DVI 4x mini-DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 2x 8-pin | Power Connectors | 4x 8-pin |
API support
| 12 (11_1) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 5.1 | Shader Model | 6.3 |