SAPPHIRE HD 3850 512MB GDDR3 AGP Better card info ... \* 666 million transistor on 55nm fabrication process \* agp 4x\/8x bus interface \* 256-bit gddr3 memory interface \* Ring Bus memory controller o fully distribute design with 512-bit internal ring bus for memory read and write \* Microsoft  DirectX  10.1 support o Shader Model 4.1 o 32-bit float point texture filter o indexed cube map array o Independent blend mode per render target o Pixel coverage sample masking o read\/write multi-sample surface with shader o gather4 texture fetch \* Unified Superscalar Shader Architecture o 320 stream processing unit + Dynamic load balancing and resource allocation for vertex , geometry , and pixel shader + common instruction set and texture unit access support for all type of shader + dedicate branch execution unit and texture address processor o 128-bit float point precision for all operation o command processor for reduce CPU overhead o Shader instruction and constant cache o up to 80 texture fetch per clock cycle o up to 128 texture per pixel o fully associative multi-level texture cache design o dxtc and 3dc + texture compression o high resolution texture support -lrb- up to 8192 x 8192 -rrb- o fully associative texture z\/stencil cache design o double-sided hierarchical z\/stencil buffer o early z test , re-z , z Range optimization , and fast z clear o lossless z & stencil compression -lrb- up to 128:1 -rrb- o lossless color compression -lrb- up to 8:1 -rrb- o 8 render target -lrb- mrt -rrb- with anti-aliasing support o physics processing support \* Dynamic Geometry Acceleration o high performance vertex cache o programmable tessellation unit o accelerate geometry shader path for geometry amplification o memory read\/write cache for improve stream output performance \* anti-aliasing feature o multi-sample anti-aliasing -lrb- 2 , 4 , or 8 sample per pixel -rrb- o up to 24x Custom Filter Anti-Aliasing -lrb- CFAA -rrb- for improve quality o adaptive super-sampling and multi-sampling o temporal anti-aliasing o gamma correct o Super AA -lrb- ATI CrossFire -lrb- tm -rrb- configuration only -rrb- o all anti-aliasing feature compatible with hdr render \* texture filter feature o 2x\/4x\/8x \/ 16x high quality adaptive anisotropic filter mode -lrb- up to 128 tap per pixel -rrb- o 128-bit float point hdr texture filter o bicubic filter o srgb filter -lrb- gamma\/degamma -rrb- o percentage closer filtering -lrb- pcf -rrb- o Depth & stencil texture -lrb- dst -rrb- format support o share exponent hdr -lrb- rgbe 9:9:9:5 -rrb- texture format support \* opengl 2.0 support \* ATI Avivo -lrb- tm -rrb- hd Video and Display Platform o dedicate unified video decoder -lrb- uvd -rrb- for h. 264\/avc and vc-1 video format + high definition -lrb- hd -rrb- playback of both blu-ray and hd dvd format o hardware mpeg-1 , mpeg-2 , and divx video decode acceleration + Motion compensation and idct o ATI Avivo Video Post Processor + 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 filter + detail enhancement + inverse telecine -lrb- 2:2 and 3:2 pull-down correction -rrb- + bad edit correction o two independent display controller + drive two display simultaneously with independent resolution , refresh rate , color control and video overlay for each display + full 30-bit display processing + programmable piecewise linear gamma correction , color correction , and color space conversion + spatial\/temporal dither provide 30-bit color quality on 24-bit and 18-bit display + high quality pre - and post-scaling engine , with underscan support for all display output + content-adaptive de-flicker filter for interlaced display + fast , glitch-free mode switching + hardware cursor o two integrate dual-link DVI display output + each support 18 - , 24 - , and 30-bit digital display at all resolution up to 1920x1200 -lrb- single-link dvi -rrb- or 2560x1600 -lrb- dual-link dvi -rrb- + each include a dual-link hdcp encoder with on-chip key storage for high resolution playback of protected content o two integrate 400 mhz 30-bit ramdac + each support analog display connect by VGA at all resolution up to 2048x1536 o Integrated AMD Xilleon -lrb- tm -rrb- hdtv encoder + provide high quality analog tv output -lrb- component\/s-video\/composite -rrb- + support SDTV and HDTV resolution + underscan and overscan compensation o mpeg-2 , mpeg-4 , divx , wmv9 , vc-1 , and H. 264\/AVC encode and transcode o seamless integration of pixel shader with video in real time o VGA mode support on all display output \* ATI PowerPlay -lrb- tm -rrb- o Advanced power management technology for optimal performance and power savings o performance-on-demand o constantly monitor gpu activity , dynamically adjust clock and voltage base on user scenario o clock and memory speed throttle o voltage switching o Dynamic clock gate o Central thermal management - on-chip sensor monitor GPU temperature and trigger thermal action as require 1 . some custom resolution require user configuration 2 . hdcp support for playback of protected content require connection to a hdcp capable display system requirement : \* agp base pc be require with one 4x\/8x agp slot available on the motherboard . \* 1gb or greater system memory for better performance . \* 450watt or greater power supply with 30amp on 12 volt with 2x4 power connector recommand . \* certified power supplies be recommend . -lrb- . . -rrb- \* dvd playback require dvd driver \* blu-ray\/hd dvd playback require blu-ray\/hd-dvd drive and playback software .