PowerColor HD4650 1GB DDR2 Product Name : AX4650 1GBD2
Graphics Engine RADEON HD4650
Video Memory 1GB DDR2
Engine Clock 600MHz
Memory Clock 400Mhz x 2
Memory Interface 128bit
DirectX Support 10.1
Bus Standard PCIE 2.0
514 million transistors on 55nm fabrication process
PCI Express 2.0 x16 bus interface
GDDR3/DDR3/DDR2 memory interface (depending on model)
MicrosoftR DirectXR 10.1 support
ShaderModel 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, Re-Z, Z Range optimization, 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
Accelerated physics processing
Dynamic Geometry Acceleration
High performance vertex cache
Programmable tessellation unit
Accelerated geometry shaderpath 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
Gamma correct
Super AA (ATI CrossFireX?configurations only)
All anti-aliasing features compatible with HDR renderin
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 2.0 support
ATI AvivoTM HD Video and Display Platform1
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 DivXvideo decode acceleration
Motion compensation and IDC
ATI AvivoVideo Post Processor1
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
One 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 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 underscansupport 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) 2
Secondary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI only)2
Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content3
Two integrated 400MHz 30-bit RAMDACs
Each supports analog displays connected by VGA at all resolutions up to 2048x15361
DisplayPortTMoutput 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 1920x10802
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 solution 4
Integrated AMD XilleonTMHDTV encoder
Provides high quality analog TV output (component/S-video/composite)
Supports SDTV and HDTV resolutions
Underscanand overscancompensation
Seamless integration of pixel shaderswith video in real time
VGA mode support on all display outputs
ATI PowerPlayTM Technology5
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 CrossFireXTMMulti-GPU Technology
Scale up rendering performance and image quality with two, three, or four GPUs
Integrated compositing engine
High performance dual channel bridge interconnect1
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