AMD Radeon R9 285X vs AMD Radeon R9 290X2
What is the difference between AMD Radeon R9 285X and AMD Radeon R9 290X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Tonga | GPU Name | Hawaii |
| Tonga XT | Model number | Hawaii XT (215-0852000) |
| GCN 3.0 | Architecture | GCN 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 5,000 million | Transistors | 6,200 million |
| 366 mm² | Die Size | 438 mm² |
Graphics Card
| Never Released | Release Date | Jun 24th, 2014 |
| Volcanic Islands (R9 200) | Family | Volcanic Islands (R9 200) |
| End-of-life | Production | End-of-life |
| Sea Islands | Predecessor | Sea Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 3 GB | Memory Size | 4 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit | Memory Bus | 512 bit x2 |
Clock Speeds
| 1375 MHz 5.5 Gbps effective | Memory Clock | 1350 MHz 5.4 Gbps effective |
| 1002 MHz | GPU Clock | 1000 MHz |
Render Config
| 128 | TMUs | 176 x2 |
| 32 | ROPs | 64 x2 |
Board Design
| 200 W | Thermal design power (TDP) | 580 W |
| 550 W | Suggested PSU | 950 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 1x 6-pin + 1x 8-pin | Power Connectors | 4x 8-pin |
API support
| 12 (12_0) | DirectX | 12 (12_0) |
| 4.6 | OpenGL | 4.6 |
| 2.0 | OpenCL | 2.0 |
| 1.2 | Vulkan | 1.2 |
| 6.3 | Shader Model | 6.3 |