I have found that dual-core+ desktop machines from the mid-2000s last quite awhile. Laptops can be a mixed bag depending on how upgradable the internals are / h

I have found that dual-core+ desktop machines from the mid-2000s last quite awhile. Laptops can be a mixed bag depending on how upgradable the internals are / how powerful the internal GPU is. I gave my sister recently a T420s that I had lying around, and the thing still screams.