"Users with recent Raspberry Pi 4 devices will find that their default turbo-mode clock has increased from 1.5GHz to the 1.8GHz used on Raspberry Pi 400," says Upton.

Today's Raspberry Pi 4 lineup is far more capable, featuring a 64-bit Broadcom chip that runs at 1.5GHz and RAM of 2GB, 4GB and as of last week 8GB.