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

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Sapphire HD 2400XT
Specifications & Overview

ATI Radeon™ HD 2400 Feature Summary

180 million transistors on 65nm fabrication process
64-bit DDR2/GDDR3 memory interface

Unified Superscalar Shader Architecture
-40 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 16 texture fetches per clock cycle
-Up to 128 textures per pixel
-Fully associative vertex/texture cache design
-DXTC and 3Dc+ texture compression
-High resolution texture support (up to 8192 x 8192)
-Fully associative texture & Z/stencil cache designs
-Early Z test, Re-Z, Z Range optimization, and Fast Z Clear
-Lossless Z & stencil compression
-8 render targets (MRTs) with anti-aliasing support
-Physics processing support

Full support for Microsoft® DirectX® 10
-Shader Model 4.0
-Geometry Shaders
-Stream Output
-Integer and Bitwise Operations
-Alpha to Coverage
-Constant Buffers
-State Objects
-Texture Arrays

Dynamic Geometry Acceleration
-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 4 samples per pixel)
-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

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

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 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)1
-Secondary supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI only)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 2400XT is based on the 65nm RV610 core which comes clocked at 700MHz and is backed by a passive aluminum cooling solution.  This makes the card an ideal candidate for situations where silence is a key motivator, such as a multimedia PC.  The card is equipped with 40 Stream Processors, with support for Shader Model 4.0 and has a fill rate of 2800 Mtexels per second.  The core is complemented by 256MB of GDDR3 clocked at 700MHz as well (1400DDR) with a 64-bit memory bus, delivering 11.2GB/s of memory bandwidth.  This model sports a single VGA output and one DVI output and the DVI can be converted to HDMI via the adapter included in the retail bundle.  Standard monitor resolution tops out at 2560x1600, which should be more than adequate in most situations, where as TV-Out peaks at 1024x768 analog and 1080i for digital signal.  HDMI modes supported include 480p, 720p and 1080i.

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