The chip will be able to control two rear-facing cameras (in addition to the selfie camera on the front), allowing those cameras to focus more quickly. They'll be able to grab 25-megapixel images at 30 frames per second with no shutter lag, according to Qualcomm. Dual cameras can also capture multiple focal depths simultaneously, meaning an app could let you change which part of a scene is in focus after a picture is taken, a bit like a Lytro camera does.
The GPU and the ISP are just two components that will be integrated in the Snapdragon 820. Qualcomm is likely to give more details about the CPU and discuss other components, like the modem and the DSP, as it looks to crank up the hype around the 820 before its launch next year.
While the current Snapdragon 810 missed out on the Galaxy S6, it's still used in numerous devices today, including the LG Flex2, HTC One M9, Xiaomi MiNote Pro, and Sony's Xperia Z4 tablet.
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