AMD Radeon HD 7750M vs ATI Radeon HD 4870 X2
What is the difference between AMD Radeon HD 7750M and ATI Radeon HD 4870 X2. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Chelsea | GPU Name | R700 |
| Chelsea PRO | Model number | R700 XT (215-0669045) |
| GCN 1.0 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 1,500 million | Transistors | 956 million |
| 123 mm² | Die Size | 256 mm² |
Graphics Card
| Apr 24th, 2012 | Release Date | Aug 12th, 2008 |
| London (HD 7700M) | Family | Radeon R700 (HD 4800) |
| End-of-life | Production | End-of-life |
| Vancouver | Predecessor | Radeon R600 |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 1024 MB x2 |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 256 bit x2 |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 900 MHz 3.6 Gbps effective |
| 575 MHz | GPU Clock | 750 MHz |
Render Config
| 32 | TMUs | 40 x2 |
| 16 | ROPs | 16 x2 |
Board Design
| 28 W | Thermal design power (TDP) | 286 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
| 12 (11_1) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 1.2 | OpenCL | 1.1 |
| 1.2 | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |