The Dragonboard410c runs Aarch64 linaro Linux. I have one and I'm using it to test 64-bit ARM development. On the 96boards website you can download the Android

The Dragonboard410c runs Aarch64 linaro Linux. I have one and I'm using it to test 64-bit ARM development. On the 96boards website you can download the Android or Linux disk images. It's not getting as much attention as RPI's, but it works pretty solidly and the price wasn't awful at $75 for the board (which includes wifi/bt).