AMD Radeon HD 3850 X2

The AMD Radeon HD 3850 X2 is a dual-GPU graphics card released on April 4, 2008, with a launch MSRP of 349 USD. It is based on the TeraScale architecture and uses two RV670 PRO GPU chips manufactured on a 55 nm process. Each GPU has 320 shading units, totaling 640, and operates at a base clock of 668 MHz. The card is equipped with 1 GB of GDDR3 memory across a 512-bit memory bus, providing a memory bandwidth of 106 GB/s. It supports DirectX 10.1 and OpenGL 3.3, and connects via a PCIe 2.0 ×16 interface. The board has a thermal design power (TDP) of 140 W. This card was designed for high-performance gaming and multi-monitor setups, targeting enthusiasts who required more power than a single-GPU solution could offer at the time.