Is it worth paying an extra $38 for the U3? More than twice the price for not twice the computer.
ODROID-C1 = $36.95
1.5GHz quad-core CPU, dual-core GPU
4 x high speed USB2.0 host ports with RJ-45 LAN jack
ODROID-U3 = $74.95
1.7GHz quad-core CPU, quad-core GPU
10/100Mbps Ethernet with RJ-45 LAN jack
3 x high speed USB2.0 host ports