Sapphire HD 3850 User Manual

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SAPPHIRE- PRODUCT- SAPPHIRE HD 3850 512MB GDDR3 AGP

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SAPPHIRE HD 3850 512MB GDDR3 AGP

Longtemps considéré comme le marché des joueurs non fortuné, avec des

performances graphiques bridées, le marché des produits milieu de gamme

est maintenant revitalisé par l’arrivée de la SAPPHIRE HD 3850. Conçu

autour de l’excellent processeur Radeon HD 3850, la SAPPHIRE 3850 offre

un niveau de performances et de technologie encore non atteint à ce jour

sur le marché de la carte graphique moyenne gamme. Ainsi cette carte gère

: le support de DirectX® 10.1 et des Shader Model 4.1 , l’intégration de l’

HDMI et d’une puce HDCP qui permet de regarder des vidéos au format

Blu-ray™ ou HD DVD.Profitez de l’excellent rapport qualité- prix de la

SAPPHIRE HD 3850 pour investir l’argent qu’il vous restera dans ce que

vous avez toujours rêvé d’avoir.

Overview Features

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666 million transistors on 55nm fabrication process

AGP 4X/8X bus interface

256-bit GDDR3 memory interface

Ring Bus Memory Controller

Fully distributed design with 512-bit internal ring bus for memory reads and writes

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 80 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

Dynamic Ge ometry Acce leration

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 improved quality

Adaptive super-sampling and multi-sampling

Temporal anti-aliasing

Gamma correct

Super AA (ATI 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

OpenGL 2.0 support

ATI Avivo™ HD Vide o and Display Platform

Dedicated unified video decoder (UVD) for H.264/AVC and VC-1 video formats

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High definition (HD) playback of both Blu-ray and HD DVD formats

SAPPHIRE- PRODUCT- SAPPHIRE HD 3850 512MB GDDR3 AGP

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Hardware MPEG-1, MPEG-2, and DivX video decode acceleration

Motion compensation and IDCT

ATI 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

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)

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 2048x1536

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™

Advanced power management technology for optimal performance and power savings

Performance-on-Demand

Central thermal management – on-chip sensor monitors GPU temperature and triggers thermal

actions as required

Some custom resolutions require user configuration1.

HDCP support for playback of protected content requires connection to a HDCP capable display2.

System Requireme nt:

AGP based PC is required with one 4X/8X AGP slot available on the motherboard.

1GB or greater system memory for better performance.

450Watt or greater power supply with 30Amps on 12 volt with 2x4 power connector recommanded.

Certified power supplies are recommended. Refer to http://ati.amd.com/certifiedPSU for a list of Certified

products

Installation software requires CD-ROM drive.

DVD playback requires DVD driver

Blu-ray/HD DVD playback requires Blu-ray/HD-DVD drive and playback software.

Constantly monitors GPU activity, dynamically adjusting clocks and voltage based

on user scenario

Clock and memory speed throttling

Voltage switching

Dynamic clock gating

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