SAPPHIRE RADEON HD 3870 X2
"Sapphire Radeon HD 3870 X2 also featuring MSI GeForce 8800 GTX. Sapphire Radeon HD 3870 X2 has 31% Higher Core Speed, 24% More Memory which is GDDR4 and 512 Extra Shader Processors."
"Dual Core Pixel Processing power! The power of tandem GPU processing on PCI-E with Sapphire Radeon HD 3870 X2. Equipped with 2X ATI Radeon HD 3870 GPU, Sapphire Radeon HD 3870 X2 turns the dreams of the adrenaline addicted gamer into a virtual reality of vivid worlds erupting with possibilities. The dual GPU processing power of Sapphire Radeon HD 3870 X2 promises to awaken the senses and free the imagination from the shackles of PC hardware limitations as it affords the end user CrossFireX performance and over 1 TeraFLOPS of GPU Compute Power in a single card solution. Sapphire Radeon HD 3870 X2 makes for a welcome addition to the family with its robust hardware offering such as: a staggering 512MB or 1GB of onboard memory, DirectX 10, Shader Model 4 and OpenGL acceleration along with enhanced support for the Windows Vista 3D environment."
Microsoft DirectX 10 1 support
"Shader Model 4.1. 32-bit floating point texture filtering. Indexed cube map arrays. Independent blend modes per render target. Pixel coverage sample masking. Read/write multi-sample surfaces with shaders. Gather4 texture fetching."
Unified Superscalar Shader Architecture
"320 stream processing units with Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders. Common instruction set and texture unit access supported for all types of shaders. Dedicated branch execution units and texture address processors."
ATI Avivo HD Video and Display Platform
"Dedicated unified video decoder (UVD) for H.264/AVC and VC-1 video formats. High definition (HD) playback of both Blu-ray and HD DVD formats. Hardware MPEG-1, MPEG-2, and DivX video decode acceleration. Motion compensation and IDCT. ATI Avivo Video Post Processor with Color space conversion. Chroma subsampling format conversion. Horizontal and vertical scaling. Gamma correction. Advanced vector adaptive per-pixel de-interlacing. De-blocking and noise reduction filtering. Detail enhancement. Inverse telecine (2:2 and 3:2 pull-down correction). Bad edit correction"
"Advanced power management technology for optimal performance and power savings. Performance-on-Demand. Constantly monitors GPU activity, dynamically adjusting clocks and voltage based on user scenario. Clock and memory speed throttling. Voltage switching. Dynamic clock gating. Central thermal management on-chip sensor monitors GPU temperature and triggers thermal actions as required."
ATI CrossFireX Multi-GPU Technology
"Scale up rendering performance and image quality with two, three, or four GPUs. Integrated compositing engine. High performance bridge interconnect. Some custom resolutions require user configuration. HDCP support for playback of protected content requires connection to a HDCP capable display. Dual channel interconnect is not required for ATI CrossFire, and may not be included in all product configurations."
55nm process technology
SAPPHIRE RADEON HD 3870 X2 SPECIFICATIONS
Over 1 TeraFLOPS of GPU Compute Power
640 (320 x2) stream processing units
2 x 256-bit memory interfaces
DirectX 10.1 / Shader Model 4.1 support
Game physics processing capability
ATI CrossFireX multi-GPU support for highly scalable performance
High-speed 128-bit HDR (High Dynamic Range) rendering
Up to 24x Custom Filter Anti-Aliasing
Unified Video Decoder (UVD) for Blu-ray and HD DVD at full HD 1080p
SAPPHIRE RADEON HD 3870 X2