Next-gen GPU architecture for the ultimate mobile camera experience

14th August 2015
Source: Qualcomm
Posted By : Jordan Mulcare

Qualcomm has announced that its subsidiary, Qualcomm Technologies, has introduced its next-gen visual processing technology with new versions of its GPU and Image Signal Processing (ISP) unit to deliver significant advancements in performance, power efficiency and user experience to Qualcomm Snapdragon processors.

The Qualcomm Adreno 5xx GPU architecture delivers increased speed and efficiency over the previous generation and supports stunning high-definition mobile graphics while introducing general-purpose compute co-processing for exceptionally low power consumption. The first two GPUs available on the new architecture, the Adreno 530 and Adreno 510, will be available integrated within the forthcoming Snapdragon 820 and Snapdragon 620/618 processors.

Snapdragon 820 will also debut the latest 14-bit Qualcomm Spectra ISP unit, designed to support superior DSLR-quality photography and enhanced computer vision. Devices based on Snapdragon 820 are expected to be available in 1H 2016. Qualcomm Snapdragon, Qualcomm Adreno and Qualcomm Spectra are products of QTI.

“We’re significantly enhancing the visual processing capabilities of Snapdragon to support next-gen user experiences related to computational photography, computer vision, virtual reality and photo-realistic graphics on mobile devices, all while maximising battery life,” said Tim Leland, Vice President, Product Management, Qualcomm Technologies.

“Qualcomm Spectra ISP, together with our Adreno 5xx-class GPU, brings an entirely new level of imaging to smartphones and is designed to allow Snapdragon-powered devices to capture ultra-clear, vivid photos and videos regardless of motion and lighting conditions and display them with the colour accuracy that nature intended. In addition, as emerging growth segments such as automotive demand more immersive visual experiences, Snapdragon 820 will enable next-gen infotainment, computer vision and advanced processing for instrument clusters.”

Designed for scalability, the Adreno 5xx architecture is the foundation of Qualcomm Technologies’ next-gen custom GPUs and is the successor to the Adreno 4xx family. Recently integrated within the Snapdragon 820, the Adreno 530 is the highest-performance GPU ever designed by Qualcomm Technologies, providing superior experiences with:

  • Up to 40% lower power consumption and 40% faster performance for both graphics and GPGPU compute when compared to the Adreno 430;
  • Leading-edge capabilities in graphics and compute APIs including OpenGL ES 3.1+AEP (Android Extension Pack), Renderscript, as well as the new OpenCL 2.0 and Vulkan standards. Vulkan minimizes driver overhead and enables multi-threaded performance on mobile and embedded platforms; 
  • Support for 64-bit virtual addressing, allowing for shared virtual memory and efficient co-processing with 64 bit CPUs;
  • Improved fine-grain power management, new rendering, compositing and compression techniques to enable higher performance at lower power consumption and reduced DRAM bandwidth;
  • Up to 4K HEVC video support at 60fps over HDMI 2.0 to Rec. 2020 UHD displays and TVs;
  • Improved Qualcomm EcoPix and Qualcomm TruPalette support for longer battery life and superior pixel quality; and
  • Software compatibility between Adreno 530 and Adreno 510.

Introduced with the Snapdragon 820, Qualcomm Spectra ISP is Qualcomm Technologies’ most advanced dual-imaging signal processing unit to-date, integrated and designed to provide best-in-class camera image quality and end-user benefits, including:

  • Superior image quality, with more natural skin tones via advanced, 14-bit dual ISPs supporting up to three simultaneous cameras (e.g. one facing the user, and two rear facing), and up to 25MP at 30fps with zero shutter lag;
  • Improved photos with Qualcomm Spectra ISP’s flexible hybrid autofocus framework and multi-sensor fusion algorithms supporting next gen computational photography;
  • Improved power efficiency when compared to previous generations, better noise immunity and higher throughput via advanced compression techniques and use of the latest MIPI serial C-PHY interface; and
  • Next-gen Computer Vision and other use cases via direct-to-DSP raw bayer data streaming and pre-processing capabilities.

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