ATI
Model:Radeon HD 4650
Production Years: 
Chip: 
Bus Type:PCI-E
VRam:1Gb GDDR5
Output:15pin, DVI, S-video
Graphics core: 
Fill rate: 
Operations: 
Memory bandwith: 
Features: 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
    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 128 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 8192 x 8192)
  Fully associative texture Z/stencil cache designs
  Double-sided hierarchical Z/stencil buffer
  Early Z test and Fast Z Clear
  Lossless Z & 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 superior quality
  Adaptive super-sampling and multi-sampling
  Gamma correct
  Super AA (ATI CrossFireX™ 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
  sRGB filtering (gamma/degamma)
  Percentage Closer Filtering (PCF)
  Depth & stencil texture (DST) format support
  Shared exponent HDR (RGBE 9:9:9:5) texture format support

OpenGL 3.2 support

ATI Avivo™ HD Video and Display Platform
  2nd generation Unified Video Decoder (UVD 2)
    Enabling hardware decode acceleration of H.264, VC-1 and MPEG-2
    Dual stream playback (or Picture-in-picture)
  Hardware MPEG-1 and DivX video decode acceleration
    Motion compensation and IDCT
  ATI Avivo Video Post Processor      Enhanced DVD up-conversion to HD
    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
    Automatic dynamic contrast adjustment
    Full score in HQV (SD) and HQV (HD) video quality benchmarks
  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 underscan support for all display outputs
    Content-adaptive de-flicker filtering for interlaced displays
    Fast, glitch-free mode switching
    Hardware cursor
  Two integrated DVI display outputs
    Primary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)
    decondary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI only)
    Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content
  Two integrated 400 MHz 30-bit RAMDACs
    Each supports analog displays connected by VGA at all resolutions up to 2048x15362
  DisplayPort™ output support
    Supports 24- and 30-bit displays at all resolutions up to 2560x16002
    Integrated HD audio controller with up to 2 channel 48 KHz stereo or multi-channel (7.1) AC3 enabling a plug-and-play cable-less audio solution4

  HDMI® output support
    Supports all display resolutions up to 1920x1080
    Integrated HD audio controller with support for stereo and multi-channel (up to 7.1) audio formats, including PCM, AC-3, AAC, and DTS, enabling a plug-and-play cable-less audio solution over DisplayPort (or HDMI® depending on section)

  Integrated AMD Xilleon™ HDTV encoder •Provides high quality analog TV output (component/S-video/composite)
    Supports SDTV and HDTV resolutions
    Underscan and overscan compensation
  Seamless integration of pixel shaders with video in real time
  VGA mode support on all display outputs

ATI PowerPlay™ Technology
  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 GPUs
  Integrated compositing engine
  High performance bridge interconnect