BeagleBone Black (BBB) Rev.C is a development kit based on an AM335x processor, which integrates an ARM Cortex™-A8 core operating at up to 1 GHz. BBB is more powerful than Raspberry Pi. The BBB board also provides internal 4 GB 8-bit eMMC onboard flash storage.

BBB supports several OS, such as Debian, Android, and Ubuntu. For more information on BBB, refer to https://beagleboard.org/black:

SeeedStudio BeagleBone Green (BBG) is a joint effort by BeagleBoard.org and Seeed Studio. BBG has the same features as BBB, although theHDMI port is replaced by Grove connectors, so the BBG price is lower than BBB. You can find out more and buy this board at http://www.seeedstudio.com/depot/SeeedStudio-BeagleBone-Green-p-2504.html: