ATI Radeon HD 4850 X2 vs AMD Radeon R7 M445
What is the difference between ATI Radeon HD 4850 X2 and AMD Radeon R7 M445. Find out which graphics card has better performance.
Graphics Processor (GPU)
| R700 | GPU Name | Meso |
| R700 PRO (215-0669065) | Model number | Meso PRO (216-0864032) |
| TeraScale | Architecture | GCN 3.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 956 million | Transistors | 1,550 million |
| 256 mm² | Die Size | 125 mm² |
Graphics Card
| Nov 7th, 2008 | Release Date | May 15th, 2016 |
| Radeon R700 (HD 4800) | Family | Crystal System (R7 M400) |
| End-of-life | Production | Active |
| Radeon R600 | Predecessor | Solar System |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x8 |
Memory
| 512 MB x2 | Memory Size | 4 GB |
| GDDR3 | Memory Type | GDDR5 |
| 256 bit x2 | Memory Bus | 64 bit |
Clock Speeds
| 995 MHz 1990 Mbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
Render Config
| 40 x2 | TMUs | 20 |
| 16 x2 | ROPs | 8 |
Board Design
| 250 W | Thermal design power (TDP) | unknown |
| 4x DVI 1x S-Video | Display Connectors | No outputs |
API support
| 10.1 (10_1) | DirectX | 12 (12_0) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 2.0 |
| N/A | Vulkan | 1.2 |
| 4.1 | Shader Model | 6.0 |