WhatsMiner M66S vs WhatsMiner M76S+

We are comparing two devices from MicroBT — models WhatsMiner M66S (November 2023) and WhatsMiner M76S+ (December 2025). Both devices operate on SHA-256, mining Bitcoin, Fractal Bitcoin, Bitcoin Cash, BitcoinSV, Terracoin, Namecoin. The main profit focus is currently on Bitcoin, Fractal Bitcoin. The MicroBT WhatsMiner M66S lineup includes 16 modifications: starting performance is 270Th, while top solutions reach 300Th. Choose the right WhatsMiner M76S+ version for your needs from 26 options with power ranging from 390Th to 440Th inclusive. The difference in computing power is 31.82%, but the final advantage can only be shown by the energy efficiency of the equipment. Model WhatsMiner M66S has 18.5 j/Th, while WhatsMiner M76S+ has 12.5 j/Th. Model WhatsMiner M66S 300Th has a power consumption of 5550 Watts, while WhatsMiner M76S+ 440Th consumes 5500 Watts. Both models are designed to work in immersion baths. This guarantees no noise and perfect heat dissipation for chips. Compare 2 offers for MicroBT WhatsMiner M66S from verified suppliers. Right now, the 300Th configuration can be purchased at the minimum price of 239000 RUB. 2 active listings available for MicroBT WhatsMiner M76S+. The best price-to-performance ratio: 416Th for 951031 RUB.