Antminer S21 Pro vs Antminer S9

We are reviewing time-tested solutions Antminer S21 Pro and Antminer S9. 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 Bitmain Antminer S21 Pro lineup includes 3 modifications: starting performance is 220Th, while top solutions reach 245Th. Choose the right Antminer S9 version for your needs from 5 options with power ranging from 11.5Th to 14Th inclusive. The difference in computing power is 94.29%, but the final advantage can only be shown by the energy efficiency of the equipment. Model Antminer S21 Pro has 15 j/Th, while Antminer S9 has 98 j/Th. Model Antminer S21 Pro 245Th has a power consumption of 3675 Watts, while Antminer S9 14Th consumes 1372 Watts. Both miners use air cooling, which requires good room ventilation. Compare 51 offers for Bitmain Antminer S21 Pro from verified suppliers. Right now, the 234Th configuration can be purchased at the minimum price of 134000 RUB. 2 active listings available for Bitmain Antminer S9. The best price-to-performance ratio: 14Th for 123 USDT.