How much RAM do you need? It’s a common question, but one that doesn’t always have a straightforward answer. The Raspberry Pi, a cheap all in one system on a chip for hobbyists, typically makes do with less RAM than conventional PCs, but a new 16GB version of the Pi 5 has come to give it a serious memory upgrade. The Raspberry Pi 5 with 16GB of onboard DDR4 RAM is $120, more than double the price of the base 2GB model. It’s also available in the original 4GB configuration for...