قیمت برند:SAPPHIRE

قیمت دسته:كارت گرافيك - VGA

SAPPHIRE VAPOR-X HD 4890 1GB GDDR5 PCI-E

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Sapphire Patent Pending Black Diamond Choke

Quiet and Powerful Dual Slot Vapor-Chamber Cooler, Under 20 dbA in 2D Operation, under 30 dbA in 3D Operation before 85 degree ℃.

Solid Capacitors

1 GB of GDDR5 memory

DirectX® 10.1 support

800 stream processing units

24x custom filter anti-aliasing (CFAA) and high performance anisotropic filtering

Quad mode ATI CrossFireX™ multi-GPU support for highly scalable performance1

PCI Express® 2.0 support

Dynamic geometry acceleration

Game physics processing capability

ATI Avivo™ HD video and display technology2

ATI Avivo™ HD video and display technology2
 
  • Unified Video Decoder 2 (UVD 2) for Blu-ray™ and HD Video
  • Accelerated Video Transcoding (AVT)
  • DVD Upscaling
  • Dynamic Contrast
  • Built-in HDMI with 7.1 surround sound support

Dynamic power management with ATI PowerPlay™ technology2

ATI Stream technology2

 
  1. ATI CrossFireX™ technology requires an ATI CrossFireX Ready motherboard, an ATI CrossFireX™ Bridge Interconnect and may require a
    specialized power supply.
  2. ATI PowerPlay™, ATI Avivo HD and ATI Stream™ are technology platforms that include a broad set of capabilities offered by certain ATI
    Radeon GPUs. Not all ATI Radeon™ HD 4890 graphics cards have all features and full enablement of some capabilities may require
    complementary products.

 

Vapor-X Cooling

Vapor Chamber Technology is based on the same principles as heatpipe technology. A liquid coolant is vaporised at a hot surface, the resulting vapor is condensed at a cold surface then the liquid is returned to the hot surface. The recirculation process is controlled by a patented wick system.
SAPPHIRE Vapor-X flattens the whole system into a slim chamber - which in the graphics application is mounted in contact with the surface of the graphics chip.


 

Black Diamond Choke
 
Choke is an important component of the graphics card. By working with the component engineer, Sapphire’s patent pending choke is 10% cooler and offers 25% more power efficiency than a normal choke. The graphics card will be more reliable and save energy.


Full Solid Cap Design
 
Improved reliability and better overclocking are possible by using only high-polymer, aluminum capacitors which posses far superior characteristics than regular aluminum capacitor for a longer product life. When operational temperatures drop by 20 C, the product life span is extended by a factor of ten, when the operational temperature increases by 20 C, the product life span only decreases by 10%.

 

 

Redefine HD Gaming
  • TeraScale Graphics Engine
    The TeraScale graphics engine in the ATI Radeon™ HD 4890 features over one teraFLOPS, nearly one billion transistors and 800 stream processors so you can enjoy the high resolutions and fast frame rates previously only available with dual-card systems1.
     
  • Advanced Memory
    GDDR5 provides twice the data per pin of GDDR3 memory at the same clock speeds.
     
  • Enhanced Anti-Aliasing & Anisotropic Filtering
    High performance anisotropic filtering and 24x custom filter anti-aliasing (CFAA) smooth jagged edges and create true-to-life graphics, for everything from grass to facial features.
     
  • DirectX® 10.1
    Play today while preparing for tomorrow with state-of-the-art DirectX 10.1 graphics capabilities.
     
  • ATI CrossFireX™ Technology
    ATI CrossFireX™ technology with up to quad GPU support offers superior scalability so your system is ready to level up when you are2.
     
  • PCI Express 2.0
    Support for PCI Express 2.0 will prepare you for bandwidth-hungry games and 3D applications.
     
  • Power to Spare
    This GPU has the brute processing power needed for physics, artificial intelligence, stream computing and ray tracing calculations.
1 Compared to previous generation ATI Radeon™ graphics processors.
2 ATI CrossFireX™ technology requires an ATI CrossFireX Ready motherboard, an ATI CrossFireX™ Bridge Interconnect and may require a
specialized power supply.
 
Go Beyond HD Video
  • Unified Video Decoder 2 (UVD 2)
    UVD 2 frees up your CPU for other tasks so you get The Ultimate Visual Experience™ for even the most processing-intensive content, including VC-1, H.264 and now MPEG-2. Also, take full advantage of Blu-ray functionality with dual-stream, picture in picture (PIP) capabilities1,2.
     
  • Accelerated Video Transcoding (AVT)
    With ATI Stream technology, owners of ATI Radeon™ HD 4800 series graphics cards can help accelerate the conversion of standard and HD video into multiple formats for use on differing consumer electronics devices. The ATI Video Converter, designed to enable GPU transcoding of HD video streams, is currently available.
     
  • Upscale Beyond 1080p
    Watch the hottest Blu-ray movies or other HD content at full 1080p display resolution and beyond3.
     
  • Enhanced DVD Upscaling
    Watch standard DVD movies in near high-definition quality with DVD upscaling. The GPU uses post processing algorithms to enhance standard and low resolution videos and movies on your HD display.
     
  • Dynamic Contrast
    Dynamic Contrast automatically adjusts the contrast and brightness during scenes to consistently deliver a crisp, vibrant picture.
     
  • HDMI
    Enjoy the latest audio technologies using HDMI with 7.1 digital surround sound support. Also, xvYCC support allows the user to enjoy a wider range of color when connected to a capable HDTV.
1 HD capable monitor required
2 Blu-ray drive required
3 The ATI Radeon HD 4800 Series GPUs can upscale video display to 2560x1600 on dual-link monitors which is almost twice the display
resolution of 1080p displays.
 
Break-throughEfficiency
  • Dynamic Power Management
    ATI Radeon HD 4890 GPUs deliver high performance when needed and conserve power when the demand on the graphics processor is low.
     
  • Energy Efficient Manufacturing Process
    Third generation 55nm chip uses the industry’s most energy efficient manufacturing process.
 
ATI Radeon HD 4890 System Requirements
  • PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
     
  • 500 Watt or greater power supply with 2x 75W 6-pin PCI Express® power connector recommended (600 Watt and four 6-pin connectors for ATI CrossFireX™ technology in dual mode)”
     
  • Certified power supplies are recommended. Refer to http://ati.amd.com/certifiedPSUfor 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
     
  • For a complete ATI CrossFireX™ system, a second ATI Radeon™ HD 4890 graphics card, an ATI CrossFireX Ready motherboard and one ATI CrossFireX Bridge Interconnect cable per board are required.

 



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