Antminer S21 Pro vs Antminer S23e Hyd 2U

We are comparing two devices from Bitmain — models Antminer S21 Pro (July 2024) and Antminer S23e Hyd 2U (April 2026). The unified algorithm (SHA-256) allows switching between coins (Bitcoin Cash, BitcoinSV, Bitcoin, Fractal Bitcoin, Terracoin, Namecoin) on both ASICs, but maximum profit is currently achieved when mining Bitcoin Cash. The Bitmain Antminer S21 Pro lineup includes 3 modifications: starting performance is 220Th, while top solutions reach 245Th. Bitmain Antminer S23e Hyd 2U is released in a single version with 865Th. The difference in 620 Th shows the advantage of one model, but it's also worth paying attention to the efficiency of the models. Model Antminer S21 Pro has an efficiency of 15 j/Th and Antminer S23e Hyd 2U has 10 j/Th. The power consumption of Bitmain Antminer S21 Pro 245Th is 3675 Watts. Bitmain Antminer S23e Hyd 2U 865Th, in turn, consumes 8650 Watts. Miner Antminer S21 Pro (Air) will significantly differ in noise level from Antminer S23e Hyd 2U (Hydro). Compare 48 offers for Bitmain Antminer S21 Pro from verified suppliers. Right now, the 234Th configuration can be purchased at the minimum price of 135000 RUB. Our platform has 4 offers of Bitmain Antminer S23e Hyd 2U from different companies, available both in stock and on order. The best price for the 865Th version is currently 845000 RUB.