Radeon HD 3690
The video card's frequencies are 702/1692 MHz, it is equipped with 256 MB of GDDR-3 memory, which communicates with the RV670 video chip via a 128-bit bus. The number of functional units of the chip has not changed compared to the Radeon HD 3850.
ATI Radeon HD 3690 Specifications
| Name | Radeon HD 3690 |
| Core | RV670 PRO |
| Process technology (µm) | 0.055 |
| Transistors (millions) | 666 |
| Core frequency | 668 |
| Memory operating frequency (DDR) | 828 (1656) |
| Bus and memory type | GDDR3 128-bit |
| Bandwidth (Gb/s) | 26.50 |
| Unified shader units | 320 |
| Unified shader unit frequency | 668 |
| TMU on conveyor | 16 |
| ROP | 16 |
| Shader Model | 4.1 |
| Fill Rate (Mtex/s) | 10688 |
| DirectX | 10.1 |
| Memory Capacity | 256 |
| Interface | PCE-E 2.0 |
Like many outlandish solutions with an attractive price, this product was intended for the Chinese market.