Antminer S19j Pro vs AvalonMiner 821

We are reviewing time-tested solutions Antminer S19j Pro and AvalonMiner 821. Despite the release of new generations, these models are still active on the market. Both devices operate on SHA-256, mining Bitcoin, Fractal Bitcoin, BitcoinSV, Bitcoin Cash, Terracoin, Namecoin. The main profit focus is currently on Bitcoin, Fractal Bitcoin. The Antminer S19j Pro device from Bitmain is available in a wide range of powers. Versions from 88Th to 104Th are available. Model Canaan AvalonMiner 821 is presented exclusively in a configuration with 11.5Th, other power options are not provided for this series. The difference in computing power is 88.94%, but the final advantage can only be shown by the energy efficiency of the equipment. Model Antminer S19j Pro has 29.5 j/Th, while AvalonMiner 821 has 104.3 j/Th. Model Antminer S19j Pro 104Th has a power consumption of 3068 Watts, while AvalonMiner 821 11.5Th consumes 1199.45 Watts. Both miners use air cooling, which requires good room ventilation. 3 ads found for Bitmain Antminer S19j Pro. The current cost for 104Th power is from 8200 RUB. Both new and used devices are available. Unfortunately, AvalonMiner 821 is currently not available either in stock or on order. Please try looking at other models.