Bitmain Antminer S9 (14Th) vs MicroBT Whatsminer M21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (14Th) | Specification | MicroBT Whatsminer M21 |
|---|---|---|
| 14.0 TH/s | Taux de hachage | 31.0 TH/s |
| 1,372 W | Consommation électrique | 1,860 W |
| 98.0 J/TH | Efficiency | 60.0 J/TH |
| — | Niveau de bruit | — |
| 4,200.0 kg | Weight | 7,150.0 kg |
| 4,681 BTU/hr | BTU Output | 6,346 BTU/hr |
| 31/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S9 (14Th)
MicroBT Whatsminer M21
Based on BTC price of $74,060 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le MicroBT Whatsminer M21 l'emporte sur 2 des 4 facteurs (efficacité, hashrate). Le Bitmain Antminer S9 (14Th) a l'avantage en consommation électrique and score de minage domestique. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitmain Antminer S9 (14Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
MicroBT Whatsminer M2160.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9 (14Th) or MicroBT Whatsminer M21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9 (14Th) is more profitable at $-2.84/day compared to $-3.47/day for the MicroBT Whatsminer M21. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9 (14Th) or MicroBT Whatsminer M21?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S9 (14Th) or MicroBT Whatsminer M21?
The Bitmain Antminer S9 (14Th) scores 31/100 on our Home Mining Score (vs 28/100 for the MicroBT Whatsminer M21). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Bitmain Antminer S9 (14Th) and MicroBT Whatsminer M21?
The Bitmain Antminer S9 (14Th) runs at 98.0 J/TH while the MicroBT Whatsminer M21 runs at 60.0 J/TH — a difference of 38.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.