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Power-efficient 4K-capable display processor offered by ARM

Posted: 22 Jan 2016     Print Version  Bookmark and Share

Keywords:ARM  display processor  4K  mobile device  smart TV 

ARM has unleashed what it touts as its highest performing and most power-efficient 4K-capable display processor to deliver cost-effective, highly efficient and superior viewing experiences. Geared to drive new visual content and gaming experiences on mobile devices, the ARM Mali-DP650 display processor works as a content passport for users as they move from a smaller mobile screen to a larger screen such as a 4K smart TVs, noted the company.

"The Mali-DP650 display processor will enable mobile screens with multiple composition layers, for graphics and video, at Full HD (1920x1080 pixels) resolutions and beyond while maintaining excellent picture quality and extending battery life," said Mark Dickinson, GM, media processing group, ARM. "Smartphones and tablets are increasingly becoming content passports, allowing people to securely download content once and carry it to view on whichever screen is most suitable. The ability to stream the best quality content from a mobile device to any screen is an important capability ARM Mali display technology delivers."


Mali-DP650 supports a diverse range of display resolutions. It is optimised for 2.5K formats including WQXGA (2560x1600 pixels) for tablets and WQHD (2560x1440 pixels) for a mobile screen. The ability to stream 4K (3840x2160 pixels) content from a mobile device to larger screens is also making the production of higher quality visual materials more cost-effective as viewers can get access wherever they are.

Mali-DP650 supports an array of advanced features including up to seven display layer composition, rotation, high-quality scaling and energy-efficient technologies such as ARM Frame Buffer Compression (AFBC) within a very small silicon area. By doubling the size of AXI bus to 128bit and providing a MMU pre-fetcher solution, Mali-DP650 can support more 4K composition layers and offers higher memory system latency tolerance than the Mali-DP550 display processor.

In addition, the Mali-DP650 is designed to efficiently connect to ARM's System MMU (ARM CoreLink MMU-500) enabling systems to achieve up to 4K at 60fps display resolutions. The split-display mode feature enables MIPI D-PHY solutions to deliver resolutions beyond 1080p to mobile panels and variable refresh rate (VRR) support allows for panel power saving, further extending the battery life. Also, the Mali-DP650 is delivered with software support for the latest version of Android optimised to work alongside the Mali-GPU and Mali-Video drivers.

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