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CARACTERÍSTICAS TARJETA DE VIDEO SAPPHIRE ATI RADEON HD 3450

Play the Vista™way!
Play the Vista™way!Ignite your imagination with the technology that makes distant worlds erupt with vibrant textures rendered in High-Definition clarity a reality. The SAPPHIRE HD3450 is Microsoft VISTA™ compatible with awesome power of 40 stream processing units, accelerates next generation DirectX® 10 games while remaining best in its price vs. performance class. Support for the latest Shader Model 4 boost the level of realism provided by the HD3450 to new heights and the available on board memory of 256MB or 512MB of DDR/GDDR ensures a smooth frame rate in all of today's hot titles and applications. Enhance the way you play not the amount you pay.

1GB Hyper Memory with 256MB DDR2 VRAM
64-bit memory interface
Core/Memory Clock – 600 / 500
Low Profiile PCB
Passive thermal solution
PCI Express® 2.0 x16 bus support
DirectX® 10.1 / Shader Model 4.1 support
ATI CrossFireX™ multi-GPU support
Unified Video Decoder (UVD) for Blu-ray™ and HD DVD at full HD 1080p
HDMI with 5.1 surround sound audio
(Important Information for Windows XP & Windows Vista users)

SAPPHIRE HD 3450 256MB DDR2 PCI-E 1G Hyper Memory
181 million transistors on 55nm fabrication process
PCI Express 2.0 x16 bus interface
64-bit DDR2/GDDR3 memory interface
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
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
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 (2 or 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 (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 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, 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 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 HDCP encoder with on-chip key storage for maximum resolution playback of protected content2
Two integrated DisplayPort™ outputs
Supports 24- and 30-bit displays at all resolutions up to 2560x16001
1, 2, or 4 lanes per output, with data rate up to 2.7 Gbps per lane
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 up to 2 channel 48 kHz stereo or multichannel(5.1) AC3 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
ATI PowerPlay™
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 CrossFireX™ Multi-GPU Technology
Scale up rendering performance and image quality with two GPUs
Integrated compositing engine
Some custom resolutions require user configuration
Playing HDCP content requires additional HDCP ready components, including but not limited to an HDCP ready monitor, Blu-ray or HD DVD disc drive, multimedia application and computer operating system
Dual channel interconnect is not required for ATI CrossFire, and may not be included in all product configurations

System Requirements
PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
300 Watt or greater power supply recommended
Certified power supplies are recommended. Refer to http://ati.amd.com/certifiedPSU for a list of Certified products
1GB of system memory
Installation software requires CD-ROM drive
DVD playback requires DVD drive
Blu-ray™ / HD DVD playback requires Blu-ray / HD DVD drive and playback software
For a complete ATI CrossFireX™ system, a second ATI Radeon™ HD 3400 Series graphics card, an ATI CrossFireX Ready motherboard and one ATI CrossFire Bridge Interconnect cable is required.      

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