Best i found for Bitcoin was 40-100 TWh per year: https://digiconomist.net/bitcoin-energy-consumption
And for Facebook it appeared that they used 5140 GWh in 2019: https://www.statista.com/statistics/580087/energy-use-of-fac...
So essentially:
Entity Consumption (GWh) Facebook 5 140 Bitcoin 40 000 - 100 000
Best i found for Bitcoin was 40-100 TWh per year: https://digiconomist.net/bitcoin-energy-consumption
And for Facebook it appeared that they used 5140 GWh in 2019: https://www.statista.com/statistics/580087/energy-use-of-fac...
So essentially:
I wouldn't have expected Facebook to consume comparatively so little energy, if i'm doing conversions right.