Bitmain S19k Pro vs MicroBT Whatsminer M21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain S19k Pro | Specification | MicroBT Whatsminer M21 |
|---|---|---|
| 120.0 TH/s | Taux de hachage | 31.0 TH/s |
| 2,760 W | Consommation électrique | 1,860 W |
| 23.0 J/TH | Efficiency | 60.0 J/TH |
| 75 dB | Niveau de bruit | — |
| 14.5 kg | Weight | 7,150.0 kg |
| 9,417 BTU/hr | BTU Output | 6,346 BTU/hr |
| 36/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain S19k Pro
MicroBT Whatsminer M21
Based on BTC price of $66,772 and current network difficulty as of Mar 28, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain S19k Pro l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le MicroBT Whatsminer M21 a l'avantage en consommation électrique. 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 S19k ProScore: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain S19k Pro23.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain S19k Pro or MicroBT Whatsminer M21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain S19k Pro is more profitable at $-2.86/day compared to $-3.49/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 S19k Pro or MicroBT Whatsminer M21?
The Bitmain S19k Pro is quieter at 75 dB compared to the MicroBT Whatsminer M21 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain S19k Pro or MicroBT Whatsminer M21?
The Bitmain S19k Pro scores 36/100 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 S19k Pro and MicroBT Whatsminer M21?
The Bitmain S19k Pro runs at 23.0 J/TH while the MicroBT Whatsminer M21 runs at 60.0 J/TH — a difference of 37.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.