It's a chunkier beast than the rest in the range, and only really deserves its place as «best of the non-920 bunch) by way of the dual - core Krait Qualcomm processor and OLED ClearBlack display compared to the standard dual core and LCD screen of the 720. (techradar.com)
The smartphone announced at CES 2013 sports Google's Android 4.1.2 Jelly Bean mobile OS out of the box, a 5 - inch HD Reality display with 1920 X 1080 pixels of resolution, 443 ppi of pixel density, powered by Qualcomm's APQ8064 Snapdragon S4 Pro chipset with four 1.5 GHz Krait cores, 2 GB of RAM, 13MP rear facing camera with Exmor RS sensor, a front - facing 2 megapixel camera, 16 GB onboard storage, microSD slot to expand the storage support up to 64 GB, and 2,300 mAh battery. (gadgetian.com)
Nokia Lumia 820 comes with Microsoft Windows 8 platform with the same dual - core 1.5 GHz Krait processor with the same Snapdragon S4 chipset as its elder brother Lumia 920 has, and Nokia claims it's up to 30 % more power - efficient than «competing quad - core designs», well its a business strategy of course. (techone3.in)