ATI Mobility Radeon™ HD 2600 Specs 

ATI Mobility Radeon™ HD 2600 Product Features

• 390 million transistors using 65nm fabrication process
• Unified Superscalar shader architecture
• Microsoft® DirectX® 10.0
• OpenGL 2.0
• 128-bit 4-channel DDR2/GDDR3 memory interface
• Native PCI Express x16 bus interface
• ATI Avivo HD¹ Video and Display architecture
• ATI PowerPlay 7.0² power management technology

Ring Bus Memory Controller

•  Fully distributed design with 256-bit internal ring bus for memory reads and writes

Unified Superscalar Shader Architecture

• 120 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 40 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
• Physics processing support

Full support for Microsoft® DirectX® 10.0

• Shader Model 4.0
• Geometry Shaders
• Stream Output
• Integer and Bitwise Operations
• Alpha to Coverage
• Constant Buffers
•  State Objects
• Texture Arrays

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 (up to 8 samples per pixel)
• Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality
• Adaptive super-sampling and multi-sampling
• Temporal anti-aliasing
• Gamma correct
• Super AA (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
• Bicubic 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

ATI Avivo™ HD¹ 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, MPEG-4/DivX video decode acceleration
  • Motion compensation and iDCT (inverse discrete cosine transform)
• 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 underscan support for all display outputs
  • Content-adaptive de-flicker filtering for interlaced displays
  • Fast, glitch-free mode switching
  • Hardware cursor
  • Integrated dual-link DVI display output
  • Supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)
• Integrated 400 MHz 30-bit RAMDAC
  • Supports analog displays connected by VGA at all resolutions up to 2048x1536
• HDMI output support
  • Supports display resolutions up to 1920x1080
  • Integrated HD audio controller with multi-channel (5.1) AC3 support, enabling a plug-and-play cable-less audio solution
  • HDCP encoder with on-chip key storage for high resolution playback of protected content³
• 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 7.0²

• ATI PowerPlay™ 7.0² advanced power management technology for the optimal balance between performance and power consumption
• Multiple power-saving settings offer increased control and flexibility
• Performance-on-Demand - constantly monitors system activity, dynamically adjusting clocks and voltage based on user scenario
  • Clock speed throttling
  • Voltage switching
  • Clock gating
  • Back-Bias Voltage
• Central thermal management - on-chip thermal sensor monitors the GPU temperature and triggers thermal actions
• PCI Express lane count switching - automatically reduces the PCIe lane count when systems goes into low power modes
• Full ASPM - PCI Express "active-state" power management lowers power consumption when the bus is not active
• Refresh rate reduction - enables lower refresh rate for longer battery life