Hashrate Index released the top ten most competitive Bitcoin mining machines in 2025, including: Antminer S21 Pro, Bitdeer Sealminer A2, Whatsminer M60S, Antminer S19j Pro, Whatsminer M30S++, Avalon A1566, Antminer S21 XP Hydro, Antminer S19k Pro, Whatsminer M66S Immersion, Avalon A1566 Immersion.