I worked at Coinbase making 140k GBP in base compensation.
My SF based colleagues with the same job title were making 250k USD (so 202k GBP).
We sat down one day and compared our household budgets line by line and in the end we estimated that 'money left over' for equivalent house, medical and kids education my American colleagues were slightly better off, but maybe only by 5-10k USD per year.
Anecdatally ...