Antminer S19 Pro Hyd vs Antminer S21

We are comparing two devices from Bitmain — models Antminer S19 Pro Hyd (January 2023) and Antminer S21 (February 2024). Both devices operate on SHA-256, mining Bitcoin Cash, Bitcoin, Fractal Bitcoin, BitcoinSV, Terracoin, Namecoin. The main profit focus is currently on Bitcoin Cash. The Antminer S19 Pro Hyd device from Bitmain is available in a wide range of powers. Versions from 170Th to 184Th are available. The Antminer S21 device from Bitmain is available in a wide range of powers. Versions from 151Th to 200Th are available. The difference in computing power is 8%, but the final advantage can only be shown by the energy efficiency of the equipment. Model Antminer S19 Pro Hyd has 29.5 j/Th, while Antminer S21 has 17.5 j/Th. Model Antminer S19 Pro Hyd 184Th has a power consumption of 5428 Watts, while Antminer S21 200Th consumes 3500 Watts. There is a fundamental difference in cooling type: Antminer S19 Pro Hyd uses Hydro, while Antminer S21 operates on Air. 1 ads found for Bitmain Antminer S19 Pro Hyd. The current cost for 184Th power is from \"Price on request\". Both new and used devices are available. 27 ads found for Bitmain Antminer S21. The current cost for 195Th power is from 72500 RUB. Both new and used devices are available.