Bitmain Antminer S21 XP vs MicroBT Whatsminer M60S

Comparing: two miners
Decided by: Efficiency (J/TH, lower is better)
Last reviewed: 2026-08-18

Bitmain's most efficient air-cooled miner: 270 TH/s at 13.5 J/TH, about 10 percent less power per terahash than the next tier of fan-cooled rigs.

MicroBT Whatsminer M60S3.3

MicroBT's entry point to the current generation: 186 TH/s at 18.5 J/TH for $3,800 to $4,500, and a hedge against running an all-Bitmain fleet.

Verdict: Bitmain Antminer S21 XP

Bitmain Antminer S21 XP is the more efficient machine: 13.5 J/TH against 18.5 J/TH for MicroBT Whatsminer M60S, on the rated watts and nominal hashrate each maker publishes.

Criterion: Efficiency (J/TH, lower is better)
Bitmain Antminer S21 XP: 13.5 J/TH
MicroBT Whatsminer M60S: 18.5 J/TH

Bitmain Antminer S21 XP and MicroBT Whatsminer M60S, fact by fact

Every row is from the two reviews as of their review dates, with sources on each. A check marks the side a decidable criterion favours; rows without one are information, not a score.

Bitmain Antminer S21 XP and MicroBT Whatsminer M60S compared fact by fact from their reviews; a check marks the side a decidable criterion favours.
Fact	Bitmain Antminer S21 XP	MicroBT Whatsminer M60S
Efficiency	13.5 J/TH (favoured on this row)	18.5 J/TH
Editorial rating	4.4	3.3
Hashrate	270 TH/s	170-186 TH/s depending on batch
Power draw	3,645 W	3,441 W
Street price	$3,800 to $5,500	$3,800 to $4,500
Price per TH/s (midpoint)	$17.22 (favoured on this row)	$22.31
Cooling	Air	Air
Noise	75 dB	75 dB
Released	October 2024	2024
Made by	Bitmain	MicroBT
Best for	Home and small operations that want flagship efficiency without running a water loop	Beginners who want a reputable second manufacturer at a lower entry price
Last reviewed	2026-08-18	2026-08-18

Frequently asked questions

Is Bitmain Antminer S21 XP or MicroBT Whatsminer M60S more efficient?

Bitmain Antminer S21 XP is the more efficient machine: 13.5 J/TH against 18.5 J/TH for MicroBT Whatsminer M60S, on the rated watts and nominal hashrate each maker publishes. Efficiency is derived from the record's rated watts and nominal hashrate and never stored, so it cannot disagree with the numbers beside it.

Which is better value, Bitmain Antminer S21 XP or MicroBT Whatsminer M60S?

Bitmain Antminer S21 XP, at $17.22 per TH/s against $22.31, on the midpoint of each street-price band (Bitmain Antminer S21 XP $3,800 to $5,500, MicroBT Whatsminer M60S $3,800 to $4,500) as of the review dates. A cheaper terahash that burns more power costs more over a year at most electricity prices.

Which is quieter, Bitmain Antminer S21 XP or MicroBT Whatsminer M60S?

Bitmain Antminer S21 XP: 75 dB, air cooling. MicroBT Whatsminer M60S: 75 dB, air cooling. Neither belongs in a room people use; the mining hub covers where each can actually run.

Which is newer, Bitmain Antminer S21 XP or MicroBT Whatsminer M60S?

Both were released in 2024 (Bitmain Antminer S21 XP in October 2024, MicroBT Whatsminer M60S in 2024).

The full reviews: Bitmain Antminer S21 XP and MicroBT Whatsminer M60S, each with its sources, and every miner we review.

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