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Bitmain Antminer S21 Pro vs MicroBT Whatsminer M60S

Comparing
two miners
Decided by
Efficiency (J/TH, lower is better)
Last reviewed
2026-08-18
Bitmain Antminer S21 Pro4.0

The default pick for buyers with cheap power: 234 TH/s air-cooled at 15 J/TH, and roughly $16 to $24 per terahash as of August 2026.

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 Pro

Bitmain Antminer S21 Pro is the more efficient machine: 15.0 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 Pro
15.0 J/TH
MicroBT Whatsminer M60S
18.5 J/TH

Bitmain Antminer S21 Pro 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 Pro and MicroBT Whatsminer M60S compared fact by fact from their reviews; a check marks the side a decidable criterion favours.
FactBitmain Antminer S21 ProMicroBT Whatsminer M60S
Efficiency15.0 J/TH (favoured on this row)18.5 J/TH
Editorial rating4.03.3
Hashrate220-245 TH/s (234 TH/s typical)170-186 TH/s depending on batch
Power draw3,510 W3,441 W
Street price$3,800 to $5,500$3,800 to $4,500
Price per TH/s (midpoint)$19.87 (favoured on this row)$22.31
CoolingAirAir
Noise75 dB75 dB
ReleasedOctober 20242024
Made byBitmainMicroBT
Best forMost buyers: the strongest balance of price, hashrate and efficiency in an air-cooled unitBeginners who want a reputable second manufacturer at a lower entry price
Last reviewed2026-08-182026-08-18

Frequently asked questions

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

Bitmain Antminer S21 Pro is the more efficient machine: 15.0 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 Pro or MicroBT Whatsminer M60S?

Bitmain Antminer S21 Pro, at $19.87 per TH/s against $22.31, on the midpoint of each street-price band (Bitmain Antminer S21 Pro $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 Pro or MicroBT Whatsminer M60S?

Bitmain Antminer S21 Pro: 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 Pro or MicroBT Whatsminer M60S?

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

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

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