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Written by Olin Coles   
Friday, 03 April 2009
Table of Contents: Page Index
Sapphire Radeon HD 4890 RV790 Video Card
Radeon HD 4890 Features
RV790 GPU Specifications
Radeon 4890 Closer Look
Video Card Testing Methodology
3DMark06 Benchmarks
COD 4 Fraps Benchmarks
Crysis Benchmark Results
Devil May Cry 4 Benchmark
Far Cry 2 Benchmark
World in Conflict Benchmarks
Radeon HD 4890 Temperatures
VGA Power Consumption
Radeon 4800-Series Final Thoughts
Radeon HD 4890 Conclusion

Radeon HD 4890 Features

All Radeon HD graphics cards in the HD 4800 series incorporate the latest ATI AvivoTM HD Technology for enhanced Video display and feature a new generation built in hardware UVD (Unified Video decoder) considerably reducing CPU load and delivering smooth decoding of Blu-rayTM and HD DVD content for both VC-1 and H.264 codecs, as well as Mpeg files. In addition to two, dual-link DVI outputs, and TV-Out, a dedicated HDMI adaptor delivers both audio and video output on a single cable for direct connection to an HDMI ready display.

Unified Video Decoder 2 (UVD 2)

UVD 2 frees up your CPU for other tasks so you get The Ultimate Visual ExperienceTM 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 RadeonTM 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.

  • GDDR5 memory 256-bit memory interface
  • DirectX 10.1 Support
  • 24x custom filter anti-aliasing (CFAA) and high performance anisotropic filtering
  • ATI CrossFireX multi-GPU support for highly scalable performance
  • Use up to four discrete cards with an AMD 790FX based motherboard
  • PCI Express 2.0 support
  • Dynamic geometry acceleration
  • Game physics processing capability
  • ATI AvivoHD video and display technology
  • Unified Video Decoder 2 (UVD) for Blu-ray and HD Video
  • Built-in HDMI with 7.1 surround sound supportOn-chip HDCP
  • ATI PowerPlay technology

Redefine HD Gaming

The ATI Radeon HD 4890 Series GPUs deliver a cinematic gaming experience with unprecedented performance. The powerful new TeraScale graphics will propel you deep into your gameplay with seamless frame rates and high resolutions. Enhanced anti-aliasing (AA) and anisotropic filtering create striking graphics with unparalleled realism so you can max out the settings of the most demanding next-generation games or revitalize your favorite titles. Play today while preparing for tomorrow with tessellation, support for DirectX 10.1 and scalable ATI CrossFireX technology.

  • TeraScale Graphics Engine
    The powerful new TeraScale graphics engine features deliver high resolutions and fast frame rates.
  • 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 are.
  • 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.

Go Beyond HD Video

Add an ATI Radeon HD 4890 Series GPU to your PC and watch the latest Blu-ray and HD movies play with incredible fidelity -upscale to nearly twice the display resolution of HD content. Take full advantage of Blu-ray functionality with dual-stream, picture in picture (PIP) capabilities. Sophisticated new features within ATI AvivoTM HD technology provide a truly responsive experience. Support for the latest audio visual interconnects ensures you can take advantage of the latest display technology.

  • Unified Video Decoder 2
    Unified Video Decoder 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) capabilities.
  • Upscale Beyond 1080p
    Watch the hottest Blu-ray movies or other HD content at full 1080p display resolution and beyond.
  • On-chip HDCP
    On-chip HDCP (High-Bandwidth Digital Content Protection) makes life easier by allowing you to playback HDCP protected content.
  • 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.

Break-through Efficiency

Like its predecessors, the ATI Radeon HD 4890 Series GPUs offer optimal performance and break-through efficiency with platform-independent intelligent power management. ATI PowerPlay delivers the power needed to blaze through even the most intense games while intuitively conserving energy at idle or when demand is low.

  • ATI PowerPlay Technology
    ATI PowerPlay Technology delivers high performance when needed and conserves power when the demand on the graphics processor is low.
  • Energy Efficient Manufacturing Process
    Second generation 55nm chip uses the industry's most energy efficient manufacturing process.



 

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