While Raspberry Pi fans were told to expect a brand new board somewhere around 2017, it turns out this isn’t the case. The new Raspberry Pi 2 is now on sale for US$35/£25 and has some fundamental upgrades.
What’s changed? The processor on-board has been upgraded to a 900MHz quad-core chip and the Pi team has loaded in 1GB of RAM, which should offer at least six times the performance of the old Model B+. It may look the same, but the board has had a special a tweak connecting to the quad-core brains to ensure it handles the gig of RAM on board.
Read more on the Raspberry Pi blog at http://www.raspberrypi.org/raspberry-pi-2-on-sale/