WhatsMiner M66S vs WhatsMiner M79

We are comparing two devices from MicroBT — models WhatsMiner M66S (November 2023) and WhatsMiner M79 (December 2025). The unified algorithm (SHA-256) allows switching between coins (Bitcoin, Fractal Bitcoin, Bitcoin Cash, BitcoinSV, Terracoin, Namecoin) on both ASICs, but maximum profit is currently achieved when mining Bitcoin, Fractal Bitcoin. The MicroBT WhatsMiner M66S lineup includes 16 modifications: starting performance is 270Th, while top solutions reach 300Th. The WhatsMiner M79 device from MicroBT is available in a wide range of powers. Versions from 872Th to 968Th are available. The difference in 668 Th shows the advantage of one model, but it's also worth paying attention to the efficiency of the models. Model WhatsMiner M66S has an efficiency of 18.5 j/Th and WhatsMiner M79 has 14.5 j/Th. The power consumption of MicroBT WhatsMiner M66S 300Th is 5550 Watts. MicroBT WhatsMiner M79 968Th, in turn, consumes 14036 Watts. Miner WhatsMiner M66S (Immersion) will significantly differ in noise level from WhatsMiner M79 (Hydro). 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 ads found for MicroBT WhatsMiner M79. The current cost for 920Th power is from 1583288 RUB. Both new and used devices are available.