ATI Mobility Radeon™ HD 4850 / 4870 Graphics Cards
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ATI Mobility Radeon™ HD 4850 / 4870 Graphic Cards 

Redefine the Way you GAME! -
Best Performance for Enthusiast Class Graphics Cards

ATI Mobility Radeon™ HD 4800 Series GPUs bring the power of desktop graphics 'supercomputing' to mobile gamers, setting a new standard for visual computing on-the-go. Redefine the way you play and take HD gaming to the extreme with best-in-class performance and performance/watt. The ATI Mobility Radeon™ HD 4800 series delivers an immersive, cinematic gaming experience and with ATI CrossFireX™ multi-GPU technology experience the first graphics processor for notebooks that delivers one teraFLOPs of sheer power1. Watch Blu-ray movies and play HD content with incredible visual fidelity2. Do it all with break-through energy efficiency with ATI PowerPlay™ technology for long battery life that doesn't compromise on performance.

Features and Benefits

  • The 800 stream processors with GDDR5 or GDDR3 memory propel you deep into your gameplay with seamless frame rates at high resolutions3.
  • Enhanced anti-aliasing (AA) and anisotropic filtering (AF) create striking graphics with unparalleled realism so you can max out the settings of the most demanding next-generation games or revitalize your favorite titles4
  • Play today while preparing for tomorrow with support for DirectX® 10.1 and ATI CrossFireX™ technology turning your notebook into a gaming powerhouse with astonishing performance at all resolutions.
  • Upscale to nearly twice the display resolution of HD content or watch standard definition video in near-HD quality with enhanced DVD up-scaling4,5,6
  • Enhanced interactive Blu-ray functionality with dual-stream, picture in picture (PIP) playback capabilities allow you to enjoy bonus features with director commentaries for an immersive visual experience2,7,8
  • Dual DisplayPort™ and HDMI® with 7.1 surround sound ensures you can take advantage of the latest display technology with theater-class sound.

Product Information

  1. Requires dual ATI Mobility Radeon™ HD 4870 or ATI Mobility Radeon™ HD 4850 graphics processors with ATI CrossFireX™ technology to break the one teraflop barrier for single precision performance.
  2. Blu-ray drive and HD capable monitor required.
  3. The ATI Mobility Radeon™ HD 4870 and ATI Mobility Radeon™ HD 4850 deliver 800 stream processing units compared with the ATI Mobility Radeon™ HD 3800 series which delivers 320 stream processing units.
  4. Subject to available monitor resolution.
  5. The ATI Mobility 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 in AC mode only.
  6. DVD playback requires a DVD drive.
  7. This may vary depending on your system configuration and video formats.
  8. Picture-in-Picture displayed in SD. HD and SD decode is done on the ATI Mobility Radeon™ HD 4800 series graphics processors.

Performance, technologies and features listed above can vary with specific notebook implementations.

Please consult with Notebook vendor for a complete list of supported features.
ATI Radeon™ HD graphics chips have numerous features integrated into the processor itself (e.g., HDCP, HDMI®, etc.). Third parties manufacturing products based on, or incorporating ATI Radeon HD graphics chips, may choose to enable some or all of these features. If a particular feature is important to you, please inquire of the manufacturer if a particular product supports this feature. In addition, some features or technologies may require you to purchase additional components in order to make full use of them (e.g. a Blu-Ray or HD-DVD drive, HDCP-ready monitor, etc.).

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