Bitmain Antminer S21 Immersion (227Th) vs MicroBT WhatsMiner M73
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Immersion (227Th) | Specification | MicroBT WhatsMiner M73 |
|---|---|---|
| 227.0 TH/s | Hashrate | 512.0 TH/s |
| 3,623 W | Power Consumption | 7,424 W |
| 16.0 J/TH | Efficiency | 14.5 J/TH |
| 75 dB | Noise Level | 75 dB |
| 17.2 kg | Weight | 27.5 kg |
| 12,362 BTU/hr | BTU Output | 25,331 BTU/hr |
| 30/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S21 Immersion (227Th)
MicroBT WhatsMiner M73
Based on BTC price of $71,276 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT WhatsMiner M73 wins on 2 of 3 factors (efficiency, hashrate). The Bitmain Antminer S21 Immersion (227Th) holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
MicroBT WhatsMiner M7314.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 Immersion (227Th) or MicroBT WhatsMiner M73 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Immersion (227Th) is more profitable at $-1.68/day compared to $-2.00/day for the MicroBT WhatsMiner M73. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21 Immersion (227Th) or MicroBT WhatsMiner M73?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S21 Immersion (227Th) or MicroBT WhatsMiner M73?
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 Bitmain Antminer S21 Immersion (227Th) and MicroBT WhatsMiner M73?
The Bitmain Antminer S21 Immersion (227Th) runs at 16.0 J/TH while the MicroBT WhatsMiner M73 runs at 14.5 J/TH — a difference of 1.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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