» » » » » » » 👉 Qualcomm details Hexagon 680 DSP (digital signal processor) in Snapdragon 820 processor

Qualcomm details Hexagon 680 DSP (digital signal processor) in Snapdragon 820 processor. Qualcomm Technologies today details the next new architecture within the Qualcomm Snapdragon 820 processor: the Qualcomm Hexagon 680 DSP (digital signal processor). Snapdragon processors use the DSP for offloading tasks that can be done faster and/or consume less power than the CPU. For example, the Hexagon DSP was engineered to double MP3 playback battery life on the Nexus 5.
Qualcomm details Hexagon 680 DSP (digital signal processor) in Snapdragon 820 processor
Qualcomm details Hexagon 680 DSP (digital signal processor) in Snapdragon 820 processor
There are two main new features to the Hexagon 680. The first is a completely separate DSP for sensor processing. The aptly named "low power island" is designed to improve the battery life of always-on use cases, including step or activity counters as well as sensor-assisted positioning (using your phone's sensors to provide more accurate location when you don't have a strong GPS signal).

The second feature brings a new level of horsepower to Hexagon in the form of HVX (Hexagon Vector eXtensions). This added hardware supports advanced imaging and computer vision when paired with the Qualcomm Spectra camera ISP. For example, in low-light situations, the Snapdragon 820 will use the ISP and DSP to adaptively brighten areas of both video and photos that would otherwise appear too dark. With Hexagon 680, the Snapdragon 820 is engineered to perform this action several times faster and at only 10% of the power.

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