Borg vs Restic vs Kopia: a real benchmark on a 200 GB nightly backup over a 100 Mbps uplink

Western Digital 4TB hard drive seated in a desktop docking station — photo by Alphaen on Pexels

Every “best backup tool” comparison on the internet eventually devolves into a feature-matrix between Borg, Restic, and Kopia, and concludes with “they’re all good, pick one.” That’s true, technically, but it doesn’t help when you’re staring at a 200 GB …