Bitmain Antminer S21 XP vs. WhatsMiner M66S

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

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

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

	Select a product	Select a product
	Hydro Air Bitmain Antminer S21 XP Request for quote	WhatsMiner M66S Request for quote
Algorithm	SHA256	SHA256
Hash Rate	473 TH/s, 270 TH/s, 300 TH/s	286 TH/s
Unit Power	12 J/TH, 13.5 J/TH	18.5 J/TH
Power Consumption	5676 W, 3645 W, 4050 W	5291 W
Cooling	Air Hydro	Air
Coins	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)