Which one is right for you?

Bitmain Antminer S21+ vs. WhatsMiner M66

Which one is better in 2025? In-depth comparison of Bitmain Antminer S21+ and WhatsMiner M66

Bitmain Antminer S21+ and WhatsMiner M66 are two popular asic miners with different costs, ease of use, and compatibility.

We've compared Bitmain Antminer S21+ head-to-head with WhatsMiner M66 to help you decide which is best for your needs.

	Select a product	Select a product
	Bitmain Antminer S21+ Request for quote	WhatsMiner M66 Request for quote
Algorithm	SHA256	SHA256
Hash Rate	216 TH/s	274 TH/s
Unit Power	16.5 J/TH	19.9 J/TH
Power Consumption	3564 W	5452.599999999999 W
Cooling	Air	Air
Coins	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)