Bitdeer SealMiner A2 Hyd vs MicroBT Whatsminer M21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A2 Hyd | Specification | MicroBT Whatsminer M21 |
|---|---|---|
| 446.0 TH/s | Taux de hachage | 31.0 TH/s |
| 7,360 W | Consommation électrique | 1,860 W |
| 16.5 J/TH | Efficiency | 60.0 J/TH |
| 50 dB | Niveau de bruit | — |
| 20.5 kg | Weight | 7,150.0 kg |
| 25,112 BTU/hr | BTU Output | 6,346 BTU/hr |
| 44/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitdeer | Manufacturer | MicroBT |
Profitability Comparison
Bitdeer SealMiner A2 Hyd
MicroBT Whatsminer M21
Based on BTC price of $78,526 and current network difficulty as of Apr 26, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitdeer SealMiner A2 Hyd 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
Bitdeer SealMiner A2 HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A2 Hyd16.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A2 Hyd or MicroBT Whatsminer M21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 Hyd is more profitable at $-1.43/day compared to $-3.34/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 Bitdeer SealMiner A2 Hyd or MicroBT Whatsminer M21?
The Bitdeer SealMiner A2 Hyd is quieter at 50 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 Bitdeer SealMiner A2 Hyd or MicroBT Whatsminer M21?
The Bitdeer SealMiner A2 Hyd scores 44/100 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 Bitdeer SealMiner A2 Hyd and MicroBT Whatsminer M21?
The Bitdeer SealMiner A2 Hyd runs at 16.5 J/TH while the MicroBT Whatsminer M21 runs at 60.0 J/TH — a difference of 43.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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