Asus EAH3870X2 1GB Top Review

Specifications:

Features:

• 666 million transistors on 55nm fabrication process
• PCI Express 2.0 x16 GPU bus interface1
• 256-bit GDDR3/GDDR4 memory interface
• Ring Bus Memory Controller
• Fully distributed design with 512-bit internal ring bus for memory reads and writes
• Microsoft Direct X 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
• Garter texture fetching
• Unified Superscalar Shader architecture
• 320 stream processor units
• 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
• 128-bit floating point precision for all operations
• Command processor for reduced cpu overhead
• Shader instruction and constant caches
• Up to 80 texture fetches per clock cycle.
• Up to 128 textures per pixel
• Fully associative multi-level texture cache design
• DXTC and 3Dc+ texture compression
• High resolution texture support (up to 8192x8192)
• Fully associative texture Z/stencil cache designs
• Double-sided Hierarchical Z/stencil buffer
• Early Z test, RE-z, Z Range optimization, and Fast Z
• Lossless Z and stencil compression (up to 128:1)
• Lossless color compression (up to 8:1)
• 8 Render targets (MRTs) with anti-aliasing support
• Physics Processing support
• Dynamic Geometry Acceleration 
• High performance vertex cache
• Programmable tessellation unit
• Accelerated geometry shader path for geometry amplification
• Memory read/write cache for improved stream output performance
• Anti-aliasing features
• Multi-sample anti-aliasing (2,4,or 8 samples per pixel)
• Up to 24x custom filter anti-aliasing (CFAA) for improved quality
• Adaptive super-sampling and multi-sampling o Temporal anti-aliasing
• Gamma correct
• Super AA (ATI Crossfire configurations only)
• All anti-aliasing features compatible with HDR Rendering
• Texture filtering features
• 2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel)
• 128-bit floating point HDR texture filtering o Bicubic filtering
• sRGB filtering (gamma/digamma) o Percentage Closer Filtering (PCF)
• Depth and stencil texture (DST) format support
• Shared exponent HDR (RGBE (9:9:9:5) texture format support
• OpenGL 2.0 support
• 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
• 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
• Two independent display controllers
• Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display
• Full 30-bit display processing
• Programmable piecewise linear gamma correction, color correction, and color space conversion
• Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays
• High quality pre- and post-scaling engines, with under-scan support for all display outputs
• Content-adaptive de-flicker filtering for interlaced displays o Fast, glitch-free mode switching
• Hardware cursor
• Two integrated dual-link DVI display outputs
• Each supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)2
• Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content3
• Two integrated 400 MHz 30-bit RAMDACs
• Each supports analog displays connected by VGA at all resolutions up to 2048x15362
• DisplayPort output support4 o Supports 24- and 30-bit displays at all resolutions up to 2560x16002
• HDMI output support 
• Supports all display resolutions up to 1920x10802
• Integrated HD audio controller with multi-channel (5.1) AC3 support, enabling a plug-and-play cable-less audio solution
• Integrated AMD Xilleon™ HDTV encoder
• Provides high quality analog TV output (component/S-video/composite)
• Supports SDTV and HDTV resolutions • Underscan and overscan compensation
• MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264/AVC encoding and transcoding
• Seamless integration of pixel shaders with video in real time
• VGA mode support on all display outputs
• ATI PowerPlay™
• 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 dual channel bridge interconnect
• 2 Some custom resolutions require user configuration 
• 3 HDCP support for playback of protected content requires connection to a HDCP capable display
• 4 Requires external DisplayPort transmitter