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Palit HD4850 Sonic Review

ccokeman    -   October 14, 2008
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Specifications:

GPU
RV770
Fabrication Process
55nm
Graphics Clock
685 MHz
Memory Clock 1000 MHz / 2000MHz effective
Memory Interface 256-bit
Memory Size
512MB
Memory Type
GDDR3
RAMDACs
400 MHz
Stream Processors
800
HDCP Support
Yes
HDMI Support
Yes (Using DVI-to-HDMI adaptor)
Connectors 2 x dual-link DVI-I 1 x S-Video Out
Bus Technology PCI Express 2.0
Form Factor Single Slot Design
Power Connectors 1 x 6-pin

 

Features:

Redefine HD Gaming

  • The ATI Radeon HD 4850 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 4850 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 Avivo™ 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 4850 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.

System Requirements

–PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard

–450 Watt or greater power supply with 75 Watt 6-pin PCI Express® power connector recommended (550 Watt and two 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 4850 graphics card, an ATI CrossFireX Ready motherboard and one ATI CrossFireX Bridge Interconnect cable per board (included) are required.




  1. Introduction & Closer Look
  2. Closer Look (The Video Card)
  3. Closer Look (Drivers & Programs)
  4. Closer Look (Catalyst Control Center)
  5. Specifications & Features
  6. Testing: Setup & Overclocking
  7. Testing: Crysis
  8. Testing: Knights of the Sea
  9. Testing: BioShock
  10. Testing: Call of Duty 4
  11. Testing: World In Conflict
  12. Testing: Call of Juarez
  13. Testing: Company of Heroes - Opposing Fronts
  14. Testing: 3DMark06
  15. Testing: 3DMark Vantage
  16. Conclusion
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