Antminer S21 XP vs Antminer Z15

We are reviewing time-tested solutions Antminer S21 XP 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 S21 XP mines Bitcoin, Fractal Bitcoin, while Antminer Z15 is focused on Zcash. Model Bitmain Antminer S21 XP is presented exclusively in a configuration with 270Th, other power options are not provided for this series. Model Bitmain Antminer Z15 is presented exclusively in a configuration with 420kSol, other power options are not provided for this series. Model Antminer S21 XP 270Th has a power consumption of 3645 Watts, while Antminer Z15 420kSol consumes 1512 Watts. Both miners use air cooling, which requires good room ventilation. 26 ads found for Bitmain Antminer S21 XP. The current cost for 270Th power is from 377 RUB. Both new and used devices are available. 4 ads found for Bitmain Antminer Z15. The current cost for 420kSol power is from 291700 RUB. Both new and used devices are available.