It looks as though the Raspberry Pi has yet another challenger, and it comes via a crowd-funded Kickstarter campaign. Called the UP Core, the miniature developer board is being billed as the world’s smallest quad-core, single-board x86 computer.

At the heart of the UP Core, which measures just 56.50mm x 66mm, is a powerful (for its size)

Source: Hot Hardware – UP Core Dev Board Boasts Quad-Core Intel Atom x5 Grunt To Challenge Raspberry Pi