I have a Core 2 Quad machine around from 2008 for nostalgia reasons and retro computing, and even with a modern lightweight Linux on it, it's definitely not enough for modern computing unless what you consider modern computing is writing text documents and viewing websites ... slowly, and for that it's extremely wasteful since it has a 95W TDP while a 2W modern smartphone/tablet can do that even faster and more efficient, plus it's also portable.

Having to do any kind of 2025 type of work on it would be testing my patience to the extremes because all SW and media has grown in size and/or complexity(AV1 encoding, etc) requiring faster CPU, GPU, storage and RAM for the optimum experience. The only things that run fast on it are period accurate Linux 2.6 and Windows XP with websites form 2008, but I wouldn't call that modern computing.

Computers have gotten night and day faster and especially more efficient since 2008, pretending otherwise would be in bad faith.