Antminer T21 vs Antminer Z15

We are reviewing time-tested solutions Antminer T21 and Antminer Z15. Despite the release of new generations, these models are still active on the market. Different algorithms (SHA-256 vs Equihash) mean different strategies: Antminer T21 mines Bitcoin, Fractal Bitcoin, while Antminer Z15 is focused on Zcash. Bitmain Antminer T21 has several versions, with hashrate starting from 180Th and going up to 190Th. Model Bitmain Antminer Z15 is presented exclusively in a configuration with 420kSol, other power options are not provided for this series. Model Antminer T21 190Th has a power consumption of 3610 Watts, while Antminer Z15 420kSol consumes 1512 Watts. Both miners use air cooling, which requires good room ventilation. Our platform has 13 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. 5 ads found for Bitmain Antminer Z15. The current cost for 420kSol power is from 291700 RUB. Both new and used devices are available.