Bitmain Antminer S21 vs. Bitmain Antminer KA3

Which one is better in 2025? In-depth comparison of Bitmain Antminer S21 and Bitmain Antminer KA3

Bitmain Antminer S21 and Bitmain Antminer KA3 are two popular asic miners with different costs, ease of use, and compatibility.

We've compared Bitmain Antminer S21 head-to-head with Bitmain Antminer KA3 to help you decide which is best for your needs.

	Select a product	Select a product
	Bitmain Antminer S21 Request for quote	Bitmain Antminer KA3 Request for quote
Algorithm	SHA256	Blake2S
Hash Rate	200 TH/s	166 TH/s
Unit Power	17.5 J/TH	19 J/TH
Power Consumption	3500 W	3154 W
Cooling	Air	Air
Coins	Bitcoin (BTC) Bitcoin Cash (BCH) Bitcoin SV (BSV)	Kadena (KDA)