Antminer T21 vs AvalonMiner 821

We are reviewing time-tested solutions Antminer T21 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. Bitmain Antminer T21 has several versions, with hashrate starting from 180Th and going up to 190Th. 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 93.95%, but the final advantage can only be shown by the energy efficiency of the equipment. Model Antminer T21 has 19 j/Th, while AvalonMiner 821 has 104.3 j/Th. Model Antminer T21 190Th has a power consumption of 3610 Watts, while AvalonMiner 821 11.5Th consumes 1199.45 Watts. Both miners use air cooling, which requires good room ventilation. Our platform has 12 offers of Bitmain Antminer T21 from different companies, available both in stock and on order. The best price for the 190Th version is currently 200 RUB. Unfortunately, AvalonMiner 821 is currently not available either in stock or on order. Please try looking at other models.