Recently I bought an used laptop from 2013 for 160€ and updated the RAM to 16GB. It would have been perfect, except it was a thin laptop with a U-suffix CPU. I

Recently I bought an used laptop from 2013 for 160€ and updated the RAM to 16GB. It would have been perfect, except it was a thin laptop with a U-suffix CPU. I did not know U used to mean it is much slower than M :( Now I am stuck. Not bad enough to replace it immediately, but not good enough to work efficiently