GMO miner B3 vs MicroBT Whatsminer M21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| GMO miner B3 | Specification | MicroBT Whatsminer M21 |
|---|---|---|
| 33.0 TH/s | Taux de hachage | 31.0 TH/s |
| 3,417 W | Consommation électrique | 1,860 W |
| 103.6 J/TH | Efficiency | 60.0 J/TH |
| — | Niveau de bruit | — |
| 5,000.0 kg | Weight | 7,150.0 kg |
| 11,659 BTU/hr | BTU Output | 6,346 BTU/hr |
| 22/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| GMO miner | Manufacturer | MicroBT |
Profitability Comparison
GMO miner B3
MicroBT Whatsminer M21
Based on BTC price of $74,290 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le MicroBT Whatsminer M21 l'emporte sur 3 des 4 facteurs (efficacité, consommation électrique, score de minage domestique). Le GMO miner B3 a l'avantage en hashrate. 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
MicroBT Whatsminer M21Score: 28/100. 0 dB noise level.
Best for Efficiency
MicroBT Whatsminer M2160.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the GMO miner B3 or MicroBT Whatsminer M21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M21 is more profitable at $-3.47/day compared to $-7.14/day for the GMO miner B3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the GMO miner B3 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 GMO miner B3 or MicroBT Whatsminer M21?
The MicroBT Whatsminer M21 scores 28/100 on our Home Mining Score (vs 22/100 for the GMO miner B3). 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 GMO miner B3 and MicroBT Whatsminer M21?
The GMO miner B3 runs at 103.6 J/TH while the MicroBT Whatsminer M21 runs at 60.0 J/TH — a difference of 43.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.