ATI (AMD) Radeon HD 4770
| General information | |
| Vendor | ATI (AMD) |
| Released | 2009 |
| Segment | Desktop |
| Type | DIntegratedscrete |
| Interface | PCIe 2.0 |
| Resolution | 2560 x 1600 |
| Graphics processor | |
| Architecture | TeraScale |
| Core | RV740 |
| Number of GPUs | 1 |
| Lithography | 40 nm |
| Number of transistors | 826 million |
| Die Size | 137 mm² |
| Core frequency | 750 MHz |
| Shading Units | 640 |
| ROPs | 16 |
| TMUs | 32 |
| Pixel Rate | 12,0 GPixel/s |
| Texture Rate | 24,0 GTexel/s |
| Memory | |
| Type | GDDR5 |
| Capacity | 512 Mb |
| Frequency | 3200 MHz |
| Bus | 128 bit |
| Bandwidth | 51,2 GB/s |
| Power supply | |
| TDP | 80 W |
| Power supply requirements | 400 W |
| Power connectors | 6-pin |
| Supported technologies | |
| DirectX | 10.1 |
| OpenGL | 3.3 |
| OpenCL | 1.0 |
| Shader Model | 4.0 |
| SLI / CrossFireX | CrossFireX |
| Other | • |
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