Twisted pair cables are more cost-effective and easier to install but suffer from limited data rates and signal degradation over long distances. Immunity to interference: The Optical Fiber Cable is immune to a electromagnetic interference. Advantages of twisted pair High-Speed Data Transfer: Twisted pair cable can. In this tutorial, we'll systematically compare optical fiber and twisted pair (copper) cables. Optical fiber uses light to transmit data, allowing for faster speeds and longer distances compared to twisted pair, which uses electrical signals.