> four 1.5Ghz cores The Pi Zero is actually only a single-core 1GHz board with 512mb RAM. It's fairly slow compared to the rest of the lineup. I couldn't even

> four 1.5Ghz cores The Pi Zero is actually only a single-core 1GHz board with 512mb RAM. It's fairly slow compared to the rest of the lineup. I couldn't even upgrade my Pi 2 to a Zero in a few of my projects.