WhatsMiner M66 vs WhatsMiner M70S+

We are comparing two devices from MicroBT — models WhatsMiner M66 (November 2023) and WhatsMiner M70S+ (December 2025). Both devices operate on SHA-256, mining Bitcoin Cash, Bitcoin, Fractal Bitcoin, BitcoinSV, Terracoin, Namecoin. The main profit focus is currently on Bitcoin Cash. MicroBT WhatsMiner M66 has several versions, with hashrate starting from 240Th and going up to 280Th. MicroBT WhatsMiner M70S+ has several versions, with hashrate starting from 244Th and going up to 280Th. The difference in computing power is 0%, but the final advantage can only be shown by the energy efficiency of the equipment. Model WhatsMiner M66 has 19.9 j/Th, while WhatsMiner M70S+ has 12.5 j/Th. Model WhatsMiner M66 280Th has a power consumption of 5572 Watts, while WhatsMiner M70S+ 280Th consumes 3500 Watts. There is a fundamental difference in cooling type: WhatsMiner M66 uses Immersion, while WhatsMiner M70S+ operates on Air. Our platform has 1 offers of MicroBT WhatsMiner M66 from different companies, available both in stock and on order. The best price for the 274Th version is currently 160000 RUB. Our platform has 8 offers of MicroBT WhatsMiner M70S+ from different companies, available both in stock and on order. The best price for the 244Th version is currently 199000 RUB.