Miner comparison
Antminer S21 Hydro vs Whatsminer M66S
The spec that decides it is efficiency — joules per terahash. Everything else is deployment detail. Typical manufacturer figures; batches vary, verify with the vendor.
Antminer S21 HydroWhatsminer M66S
Efficiency (J/TH)●1618.5
Hashrate (TH/s)●335298
Power (W)●5,3605,513
Coolinghydrohydro
Noisen/a (liquid)n/a (liquid)
Released●20242023
Manufacturer●BitmainMicroBT
Open sourcenono
Energy $/day @ 10¢/kWh ●$12.86$13.23
● = where they differ · typical specs, energy cost at a reference $0.10/kWh