AMD Radeon R9 390 X2 vs AMD Radeon R9 290X2
What is the difference between AMD Radeon R9 390 X2 and AMD Radeon R9 290X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Grenada | GPU Name | Hawaii |
| Grenada PRO (215-0880030) | Model number | Hawaii XT (215-0852000) |
| GCN 2.0 | Architecture | GCN 2.0 |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 6,200 million | Transistors | 6,200 million |
| 438 mm² | Die Size | 438 mm² |
Graphics Card
| Sep 3rd, 2015 | Release Date | Jun 24th, 2014 |
| Pirate Islands (R9 300) | Family | Volcanic Islands (R9 200) |
| Active | Production | End-of-life |
| 1,399 USD | Launch Price | 1,399 USD |
| Volcanic Islands | Predecessor | Sea Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 8 GB x2 | Memory Size | 4 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 512 bit x2 | Memory Bus | 512 bit x2 |
Clock Speeds
| 1350 MHz 5.4 Gbps effective | Memory Clock | 1350 MHz 5.4 Gbps effective |
| 1000 MHz | GPU Clock | 1000 MHz |
Render Config
| 160 x2 | TMUs | 176 x2 |
| 64 x2 | ROPs | 64 x2 |
Board Design
| 580 W | Thermal design power (TDP) | 580 W |
| 950 W | Suggested PSU | 950 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 4x 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 |