WhatsMiner M66 vs. Bitmain Antminer S21 with Immersion Cooling

Which one is better in 2026? In-depth comparison of WhatsMiner M66 and Bitmain Antminer S21 with Immersion Cooling

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

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

	Select a product	Select a product
	WhatsMiner M66 Request for quote	Bitmain Antminer S21 with Immersion Cooling Request for quote
Algorithm	SHA256	SHA256
Hash Rate	274 TH/s	215 TH/s
Unit Power	19.9 J/TH	16 J/TH
Power Consumption	5452.599999999999 W	3440 W
Cooling	Air	Immersion
Coins	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)