WhatsMiner M61 vs WhatsMiner M78S

We are comparing two devices from MicroBT — models WhatsMiner M61 (December 2024) and WhatsMiner M78S (December 2025). Both devices operate on SHA-256, mining Bitcoin, Fractal Bitcoin, BitcoinSV, Bitcoin Cash, Terracoin, Namecoin. The main profit focus is currently on Bitcoin, Fractal Bitcoin. The MicroBT WhatsMiner M61 lineup includes 7 modifications: starting performance is 198Th, while top solutions reach 210Th. The MicroBT WhatsMiner M78S lineup includes 26 modifications: starting performance is 472Th, while top solutions reach 522Th. The difference in computing power is 59.77%, but the final advantage can only be shown by the energy efficiency of the equipment. Model WhatsMiner M61 has 19.9 j/Th, while WhatsMiner M78S has 13.5 j/Th. Model WhatsMiner M61 210Th has a power consumption of 4179 Watts, while WhatsMiner M78S 522Th consumes 7047 Watts. There is a fundamental difference in cooling type: WhatsMiner M61 uses Air, while WhatsMiner M78S operates on Immersion. Compare 37 offers for MicroBT WhatsMiner M61 from verified suppliers. Right now, the 202Th configuration can be purchased at the minimum price of 1000 USDT. Compare 2 offers for MicroBT WhatsMiner M78S from verified suppliers. Right now, the 498Th configuration can be purchased at the minimum price of 984641 RUB.