Archive notice: This article was originally published on January 29, 2008. Links and embedded videos are preserved as part of the historical record.
The new HD3870 X2 is the flagship of the HIS product range. Two high-performance RV680 GPUs operate in dual mode on one board. The high-end card offers two 256-bit memory interfaces and two sets of 320 stream-processing units for pixel and vertex processing. It supports DirectX 10.1, Shader Model 4.1, 24x custom-filter anti-aliasing and 128-bit HDR. With CrossFireX, two graphics boards can operate four GPUs at once. The gaming card is supplied with 1 GB GDDR3 memory and is designed for demanding graphics applications at high resolutions.
The accelerator also offers multimedia and HD-video functions for transferring PC images to a television in high digital quality. It includes HDMI via the supplied DVI/HDMI adapter with 5.1-channel digital surround sound, a Unified Video Decoder for Blu-ray and HD DVD playback, and AVIVO HD video acceleration and image quality.
Cooler: double-slot fansink
GPU/process: RV680 / 55 nm
GPU clock: 825 MHz
Memory/clock: 1 GB GDDR3 (2 × 256 bit) / 1,800 MHz
Stream-processing units: 640 (2 × 320)
DirectX version: 10.1
Anti-aliasing: up to 24x custom-filter anti-aliasing
Resolution/connections: 2,560 × 1,600 / two dual-link DVI
