AMD Radeon 550X vs AMD Radeon HD 7970 X2
What is the difference between AMD Radeon 550X and AMD Radeon HD 7970 X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Lexa | GPU Name | New Zealand |
| GCN 4.0 | Architecture | GCN 1.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 2,200 million | Transistors | 4,313 million |
| 103 mm² | Die Size | 352 mm² |
Graphics Card
| Mar 27th, 2019 | Release Date | Aug 31st, 2012 |
| Polaris (RX 500X) | Family | Southern Islands (HD 7900) |
| Active | Production | End-of-life |
| Polaris | Predecessor | Northern Islands |
| PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x16 |
Memory
| 2 GB | Memory Size | 3 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 384 bit x2 |
Clock Speeds
| 1750 MHz 7 Gbps effective | Memory Clock | 1375 MHz 5.5 Gbps effective |
Render Config
| 32 | TMUs | 128 x2 |
| 16 | ROPs | 32 x2 |
Board Design
| 145 mm 5.7 inches | Length | 308 mm 12.1 inches |
| 50 W | Thermal design power (TDP) | 500 W |
| 250 W | Suggested PSU | 900 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | 2x DVI 1x HDMI 2x mini-DisplayPort |
| None | Power Connectors | 3x 8-pin |
| D090 | Board Number | C386 |
API support
| 12 (12_0) | DirectX | 12 (11_1) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 1.2 |
| 1.2 | Vulkan | 1.2 |
| 6.4 | Shader Model | 5.1 |