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Antminer S21 Pro

Antminer S21 Pro

Hashrate 234.0 TH/s Power 3,510 W Efficiency 15.0 J/TH
VS

MicroBT WhatsMiner M73S+

Hashrate 570.0 TH/s Power 7,125 W Efficiency 12.5 J/TH

Antminer S21 Pro vs MicroBT WhatsMiner M73S+

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Antminer S21 Pro Specification MicroBT WhatsMiner M73S+
234.0 TH/s Hashrate 570.0 TH/s
3,510 W Power Consumption 7,125 W
15.0 J/TH Efficiency 12.5 J/TH
75 dB Noise Level 75 dB
15.0 kg Weight 29.5 kg
11,976 BTU/hr BTU Output 24,311 BTU/hr
30/100 Home Mining Score 30/100
— Release Year —
SHA-256 Algorithm SHA-256
Bitmain Manufacturer MicroBT

Profitability Comparison

$/kWh

Antminer S21 Pro

Daily Revenue 0.00010849 BTC $8.45
Daily Electricity -$8.42
Daily Profit $0.03
Monthly $0.77
Yearly $9.34

MicroBT WhatsMiner M73S+

Daily Revenue 0.00026426 BTC $20.58
Daily Electricity -$17.10
Daily Profit $3.48
Monthly $104.47
Yearly $1,271.06

Based on BTC price of $77,886 and current network difficulty as of Apr 26, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the MicroBT WhatsMiner M73S+ wins on 2 of 3 factors (efficiency, hashrate). The Antminer S21 Pro holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: MicroBT WhatsMiner M73S+ — wins on 2 of 3 factors

Best For...

Best for Profitability

MicroBT WhatsMiner M73S+

$3.46/day higher profit at current rates.

Best for Home Mining

Tie

Both miners are equally suitable for home use.

Best for Efficiency

MicroBT WhatsMiner M73S+

12.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer S21 Pro or MicroBT WhatsMiner M73S+ more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M73S+ is more profitable at $3.48/day compared to $0.03/day for the Antminer S21 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Antminer S21 Pro or MicroBT WhatsMiner M73S+?

Both miners have similar noise levels. Check the specs table above for exact decibel readings.

Which is better for home mining, the Antminer S21 Pro or MicroBT WhatsMiner M73S+?

Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.

What is the efficiency difference between Antminer S21 Pro and MicroBT WhatsMiner M73S+?

The Antminer S21 Pro runs at 15.0 J/TH while the MicroBT WhatsMiner M73S+ runs at 12.5 J/TH — a difference of 2.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

Compare Antminer S21 Pro with...

Compare MicroBT WhatsMiner M73S+ with...

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