WhatsMiner M66S vs. Bitmain Antminer S21 XP+

Which one is better in 2026? In-depth comparison of WhatsMiner M66S and Bitmain Antminer S21 XP+

WhatsMiner M66S and Bitmain Antminer S21 XP+ are two popular asic miners with different costs, ease of use, and compatibility.

We've compared WhatsMiner M66S head-to-head with Bitmain Antminer S21 XP+ to help you decide which is best for your needs.

	Select a product	Select a product
	WhatsMiner M66S Request for quote	Bitmain Antminer S21 XP+ Request for quote
Algorithm	SHA256	SHA256
Hash Rate	286 TH/s	480 TH/s
Unit Power	18.5 J/TH	11 J/TH
Power Consumption	5291 W	5280 W
Cooling	Air	Hydro
Coins	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)