ASIC miners

Bitmain Antminer K7 vs. Bitmain Antminer S21

Which one is better in 2025? In-depth comparison of Bitmain Antminer K7 and Bitmain Antminer S21

Bitmain Antminer K7 and Bitmain Antminer S21 are two popular asic miners with different costs, ease of use, and compatibility.

We've compared Bitmain Antminer K7 head-to-head with Bitmain Antminer S21 to help you decide which is best for your needs.

Compare all 34 asic miners →

Bitmain Antminer K7

Bitmain Antminer K7

₹999 Pre-book

Bitmain Antminer S21

Bitmain Antminer S21

₹999 Pre-book

Algorithm
Mining Currency
Hash Rate 63.5 TH/s 200 TH/s
Unit Power 48.5 J/TH 17.5 J/TH
Power Consumption 3080 W 3500 W
Cooling Air Air