Raspberry pi 3 model b was released in february 2016 with a 1.2 ghz 64-bit quad core arm cortex-a53 processor, on-board 802.11n wi-fi, bluetooth and usb boot capabilities. ... other features are power over ethernet (poe) (with the add-on poe hat), usb boot and network boot (an sd card is no longer required).
cpu: pi 3 a+: 1.4 ghz quad-core a53 64-bit; pi ...
graphics: pi 3 a+: broadcom videocore iv 400 ...
system on a chip: pi 3 a+: broadcom bcm283...