ATI (AMD) Radeon HD 3870
| General information | |
| Vendor | ATI (AMD) |
| Released | 2007 |
| Segment | Desktop |
| Type | DIntegratedscrete |
| Interface | PCIe 2.0 |
| Resolution | 2560 x 1600 |
| Graphics processor | |
| Architecture | TeraScale |
| Core | RV670 |
| Number of GPUs | 1 |
| Lithography | 55 nm |
| Number of transistors | 666 million |
| Die Size | 192 mm² |
| Core frequency | 775 MHz |
| Shading Units | 320 |
| ROPs | 16 |
| TMUs | 16 |
| Pixel Rate | 12.4 GPixel/s |
| Texture Rate | 12.4 GTexel/s |
| Memory | |
| Type | GDDR4 |
| Capacity | 512 Mb |
| Frequency | 2250 MHz |
| Bus | 256 bit |
| Bandwidth | 72.1 GB/s |
| Power supply | |
| TDP | 106 W |
| Power supply requirements | 450 W |
| Power connectors | 6-pin |
| Supported technologies | |
| DirectX | 10.1 |
| OpenGL | 2.0 |
| OpenCL | 1.0 |
| Shader Model | 4.1 |
| SLI / CrossFireX | CrossFireX |
| Other | • HDCP • AMD PowerPlay |
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