AMD Radeon RX 470D vs AMD Radeon HD 7990
What is the difference between AMD Radeon RX 470D and AMD Radeon HD 7990. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Ellesmere | GPU Name | Malta |
| Polaris 10 PROD | Model number | Malta XT (215-0849026) |
| GCN 4.0 | Architecture | GCN 1.0 |
| GlobalFoundries | Foundry | TSMC |
| 14 nm | Process Size | 28 nm |
| 5,700 million | Transistors | 4,313 million |
| 232 mm² | Die Size | 365 mm² |
Graphics Card
| Oct 21st, 2016 | Release Date | Apr 24th, 2013 |
| Arctic Islands (RX 400) | Family | Southern Islands (HD 7900) |
| Active | Production | End-of-life |
| Pirate Islands | Predecessor | Northern Islands |
| PCIe 3.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 4 GB | Memory Size | 3 GB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 384 bit x2 |
Clock Speeds
| 926 MHz | Base Clock | 950 MHz |
| 1206 MHz | Boost Clock | 1000 MHz |
| 1650 MHz 6.6 Gbps effective | Memory Clock | 1500 MHz 6 Gbps effective |
Render Config
| 112 | TMUs | 128 x2 |
| 32 | ROPs | 32 x2 |
Board Design
| 241 mm 9.5 inches | Length | 304 mm 12 inches |
| 120 W | Thermal design power (TDP) | 375 W |
| 300 W | Suggested PSU | 750 W |
| 1x HDMI 3x DisplayPort | Display Connectors | 1x DVI 4x mini-DisplayPort |
| 1x 6-pin | Power Connectors | 2x 8-pin |
| D000-03 | Board Number | C476-37 |
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 |