Miner comparison
Antminer S19j Pro vs Antminer S21
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 S19j ProAntminer S21
Efficiency (J/TH)●29.517.5
Hashrate (TH/s)●104200
Power (W)●3,0683,500
Coolingairair
Noise~75 dB~75 dB
Released●20212023
ManufacturerBitmainBitmain
Open sourcenono
Energy $/day @ 10¢/kWh ●$7.36$8.40
● = where they differ · typical specs, energy cost at a reference $0.10/kWh