ATI Mobility Radeon HD 4870 X2 vs AMD Radeon HD 7750M
What is the difference between ATI Mobility Radeon HD 4870 X2 and AMD Radeon HD 7750M. Find out which graphics card has better performance.
Graphics Processor (GPU)
| M98 | GPU Name | Chelsea |
| M98 XT (216-0732023) | Model number | Chelsea PRO |
| TeraScale | Architecture | GCN 1.0 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 956 million | Transistors | 1,500 million |
| 256 mm² | Die Size | 123 mm² |
Graphics Card
| Jan 9th, 2009 | Release Date | Apr 24th, 2012 |
| M9x (Mobility HD 4800) | Family | London (HD 7700M) |
| End-of-life | Production | End-of-life |
| M8x | Predecessor | Vancouver |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB x2 | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit x2 | Memory Bus | 128 bit |
Clock Speeds
| 700 MHz 2.8 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
| 550 MHz | GPU Clock | 575 MHz |
Render Config
| 40 x2 | TMUs | 32 |
| 16 x2 | ROPs | 16 |
Board Design
| No outputs | Display Connectors | No outputs |
API support
| 10.1 (10_1) | DirectX | 12 (11_1) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 1.2 |
| N/A | Vulkan | 1.2 |
| 4.1 | Shader Model | 5.1 |