4K Display Processor For Smartphones, Tablets And More


ARM launched what it describes as its highest performing and most power-efficient display processor that can run a 4K video display. The Mali-DP650 can drive new visual content and gaming experiences on mobile devices and will also work perfectly for consumers who desire to switch from mobile device screens to 4K smart television among other larger digital screens.

“The Mali-DP650 display processor will enable mobile screens with multiple composition layers, for graphics and video, at Full HD (1920×1080 pixels) resolutions and beyond while maintaining excellent picture quality and extending battery life,” said Mark Dickinson, general manager, 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.”

Supporting a diverse range of display resolutions, the Mali-DP650 is optimised for 2.5K formats including WQXGA (2560×1600 pixels) for tablets and WQHD (2560×1440 pixels) for a mobile screen. The ability to stream 4K (3840×2160 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.


“The mobile market is transitioning quickly toward high resolution products beyond Full HD, with 2.5K the most popular choice now and 4K a priority target. BOE and ARM have formed a valuable partnership to ensure each other’s complementing display products are future-proofed. The ARM Mali-DP650 display processor caters to this as it is optimized for 2.5K but is also 4K capable, and by using split display mode to double the available pixel data rate along with a variable refresh it enables higher resolutions in a highly energy-efficient way”, said Lingyun Shi, BOE Technology Group Co Ltd.

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Additional Mali-DP650 features are:

  • The device 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 128-bit 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.
  • The device can efficiently connect to ARM’s System MMU 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.
  • The processor is delivered with software support for the latest version of AndroidTM optimised to work alongside the Mali-GPU and Mali-Video drivers.


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