Difference Between Antminer K7 and WhatsMiner M21

Model

Antminer K7

Brand Bitmain
Hashrate 58-66 Th
Algorithm Eaglesong
Efficiency 48.5 j/Th
Release date January 2023
Cooling Air

Calculation for 66Th

Profit per day

5.52 USDT

≈ 462.74 ₽

Payback

Power 3201 W
Ads count 12
The best price 2830 USDT

WhatsMiner M21

Brand MicroBT
Hashrate 31Th
Algorithm SHA-256
Efficiency 60 j/Th
Release date August 2019
Cooling Air

Calculation for 31Th

Profit per day

1.23 USDT

≈ 102.86 ₽

Payback

Power 1860 W

Conclusion

We are reviewing time-tested solutions Antminer K7 and WhatsMiner M21. Despite the release of new generations, these models are still active on the market. Different algorithms (Eaglesong vs SHA-256) mean different strategies: Antminer K7 mines Nervos Network, while WhatsMiner M21 is focused on Bitcoin, Fractal Bitcoin. The Antminer K7 device from Bitmain is available in a wide range of powers. Versions from 58Th to 66Th are available. MicroBT WhatsMiner M21 is released in a single version with 31Th. Model Antminer K7 66Th has a power consumption of 3201 Watts, while WhatsMiner M21 31Th consumes 1860 Watts. Both miners use air cooling, which requires good room ventilation. 12 ads found for Bitmain Antminer K7. The current cost for 58Th power is from 25000 RUB. Both new and used devices are available. Unfortunately, WhatsMiner M21 is currently not available either in stock or on order. Please try looking at other models.