For the purpose of sequencing genome sequence analysis he and his team built a pretty awesome 16-node ROCK64 cluster. Smith is the Head of Genomic Technologies at Kinghorn Centre for Clinical Genomics.
The Le Potato board will run Android 'Nougat' 7.1, and Libre Computer claims it has better general performance in Android than the Pi 3, listing a GeekBench multi. It may not have the same community and support, but Pine64's latest board certainly delivers on performance, even with the $25 model.
Rock64 Board Beats Raspberry Pi on Price and Performance.