Sapphire Radeon HD Triple-Shot: 2600Pro OC, 2600XT and 2400XT

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Sapphire HD 2600Pro OC Specifications and Overview

Sapphire HD 2600Pro OC Edition
Specifications & Overview

390 million transistors on 65nm fabrication process

128-bit DDR2/GDDR3/GDDR4 memory interface

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

CrossFire™ Multi-GPU Technology
-Scale up rendering performance and image quality with 2 or more GPUs
-Integrated compositing engine
-High performance dual channel interconnect

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™ 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, 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

-High Quality Video Post Processing
-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

-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)1
-Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content2

-Two integrated 400 MHz 30-bit RAMDACs
-Each supports analog displays connected by VGA at all resolutions up to 2048x15361

-HDMI output support
-Supports all display resolutions up to 1920x10801
-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

PCI Express x16 bus interface
OpenGL 2.0 support

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The Sapphire HD 2600Pro OC brings a bit more muscle to the table with an RV630 core.  With over double the transistors of the HD 2400XT, the HD 2600Pro OC comes with 390 transistors and a clockspeed of 700MHz.  This is the more aggressively tuned model, where as the standard HD 2600Pro is dialed in at 600MHz.  With a 128-bit memory bus, the HD 2600Pro OC is backed with 256MB of GDDR3 clocked at 700MHz (1400MHz DDR) while non-OC models come set at 1000MHz DDR.  This gives the HD 2600Pro OC an effective bandwidth of 22.4GB/s.  With 120 Stream Processors, the 700MHz core gives the HD 2600Pro OC a fill rate of 5600 MTexels per second, double that of the HD 2400XT.  Like the cheaper HD 2400XT, the HD 2600Pro OC supports HDMI 1.2 from 480p, 720p and 1080i and supports the same maximum resolutions of 1024x768 analog and 1080i digital.  This model sports two DVI outputs with a TV-Out port nestled between them. 

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