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ATI Mobility Radeon HD 4000 series unveiled

Posted on Friday, January 09 2009 @ 17:24:18 CET by


AMD released the ATI Mobility Radeon HD 4800, 4600, 4500 and 4300 series graphics cards for notebooks at CES 2009.

Here's a quick overview:
  • Mobility Radeon HD 4800: 800 SPs, 956 million transistors, 880 gigaFLOPS, 256-bit memory bus, GDDR3/GDDR5, 89.6GB/s memory bandwidth

  • Mobility Radeon HD 4600: 320 SPs, 514 million transistors, 432 gigaFLOPS, 128-bit memory bus, DDR2/DDR3/GDDR3, 25.6GB/s memory bandwidth

  • Mobility Radeon HD 4500 and 4300: 80 SPs, 242 million transistors, 108 gigaFLOPS, 64-bit memory bus, DDR2/DDR3/GDDR3, 12.8GB/s memory bandwidth
  • Redefining HD Gaming
    All ATI Mobility Radeon HD 4000 series graphics processors feature powerful 3D engines derived from the popular ATI Radeon™ HD 4800 series architecture and are capable of up to twice the gaming performance of the predecessor ATI Mobility Radeon™ HD 3000 Series at their respective power levels.1 The ATI Mobility Radeon HD 4800 series graphics processors are the industry’s first to support GDDR5 memory technology, providing nearly twice the memory bandwidth of GDDR3 and GDDR4, contributing to stunning improvements in game play and performance. Also featuring support for Microsoft DirectX 10.1, the entire ATI Mobility Radeon HD 4000 series is ready to tackle the demands of next-generation game titles for crisp, detail-rich images and outstanding visual effects that deliver an unparalleled level of realism. Extreme gamers can push the boundaries of gaming performance with the ATI Mobility Radeon™ HD 4870 graphics processor delivering up to 1.8 times the performance compared to previous AMD discrete mobile graphics processors3 and with ATI CrossFireX technology, combine the performance of two ATI Mobility Radeon™ graphics processors to produce uncompromising image quality in any of today’s demanding 3D games.

    “We’re proud to highlight ATI Mobility Radeon™ HD 4870 as the first notebook GPU to support specially designed, ultra-high bandwidth GDDR5 graphics memory to unleash the full-throttle gaming experience normally reserved for the high-end desktop gaming rigs,” said Rick Bergman, senior vice president and general manager of AMD, Graphics Products Group. “Now, notebooks equipped with one or a pair of these speedy graphics processors can take on just about any PC game and run them smoothly at their maximum option settings.

    "And for gaming-friendly multimedia notebooks, the ATI Mobility Radeon HD 4600 is the most potent power-efficient notebook GPU we've ever produced, making high-performance gaming practical in lightweight, elegantly styled notebooks like never before.”

    Stunning HD multimedia experience
    Home theatre enthusiasts can enjoy full 1080p HD viewing anywhere they want on HD-capable panels, monitors or televisions. Using AMD’s second generation Unified Video Decoder (UVD), the CPU is freed from other tasks so even when managing processor-intensive content such as Blu-ray movies, users can still instant message friends or conduct virus scans in the background without interruption. This also helps lower power consumption and reduces the need for high fan settings, enabling a quieter experience. DVD upscaling allows for enhanced picture quality when watching standard definition content on 1080p HDTV, while dynamic contrast adjusts the contrast and brightness during scenes to bring a crisp, vibrant picture to viewers.4 Specifically designed for HD video enthusiasts, ATI Avivo™ HD, an advanced image and video processing display technology, is found throughout the ATI Mobility Radeon HD 4000 series and provides brilliant colors, sharp images, and smooth playback of Blu-ray and HD video content on HD-capable panels, monitors or televisions.5 In addition, selected ATI Mobility Radeon HD 4000 series graphics processors models are also the first ever mobile graphics solution that has advanced hi-definition audio capabilities using HDMI with 7.1 digital surround sound and DisplayPort Audio to create an immersive, home theatre-class experience.6

    Leading energy efficiency
    AMD remains committed to designing energy efficient technology with optimal performance -- the ATI Mobility Radeon HD 4000 series is no exception. The new mobile graphics family features energy efficient, second generation 55nm process technology that, in the case of the ATI Mobility Radeon 4870 GPU, delivers an increase in performance-per-watt of more than sixty percent over the previous generation.7 Additional power-saving features include ATI PowerPlay™, ATI PowerXpressTM, and ATI™ Switchable Graphics technologies.

    ATI PowerPlay, an activity-based power management technology, intuitively conserves energy at idle or when demand is low and automatically adjusts between low and high states for greater performance when needed and energy conservation for long battery life. ATI PowerXpress and ATI Switchable Graphics technologies dynamically switch between the ATI Mobility Radeon HD 4000 series discrete graphics processor and the integrated graphics processor in the notebook -- all in real-time without needing to reboot -- to help provide exceptional performance when needed and to help extend battery life when on the move.

    “The ATI Mobility Radeon HD 4600 and ATI Mobility HD 4500 series offer outstanding performance per watt giving notebook manufacturers the ability to pack significantly more performance into thin designs as the previous years equivalent models,” said Bergman. “And for value oriented and ultrathin notebooks, these GPUs enable superior HD entertainment on the go coupled with low power requirements. We’re delivering a top-to-bottom line of mobile discrete graphics processors that deliver on the AMD hallmark of leading performance and energy efficiency.”

    The ATI Mobility Radeon HD 4000 series features a wide range of power-efficient and performance optimized configurations that vary in terms of size, operating speed and performance to satisfy the discrete graphics requirements of products ranging from ultra-mobile sub-notebooks to high-end gaming portables, small form-factor desktop PCs and everything in between.

    Unprecedented Performance
    ATI Mobility Radeon HD 4000 series graphics also provide performance benefits for defense applications.

    “A critical component of Mercury's Converged Sensor Network Architecture is pushing substantial computing capability closer to the sensor in embedded environments. GPUs have proven to be well-suited for this. Mercury’s relationship with AMD affords us the ability to leverage cutting-edge GPU technology into embedded systems for this purpose,” said Scott Thieret, Technology Director for GPU Computing at Mercury Computer Systems. “The dual ATI Mobility Radeon HD 4870 GPUs, as deployed in our Sensor Stream Computing Platform, provide a teraFLOP of floating-point performance in a single 6U VXS card. This unprecedented compute density in an embedded system allows Mercury to solve tough stream computing problems for our military and commercial customers who contend with stringent size, power, and weight constraints.”



     



     

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