"With the hype this week around Firefox Quantum Beta with its
user-interface refinements and more noticeably the performance
improvements, I decided to run some benchmarks on my end with a variety
of tests comparing Firefox 52 ESR, Firefox 56 stable, Firefox 57 Quantum
beta, and Chrome 60. Here are those web browser benchmark results from
the Linux x86-64 desktop."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips