Bitdeer SealMiner A3 Hydro vs MicroBT Whatsminer M21S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A3 Hydro | Specification | MicroBT Whatsminer M21S |
|---|---|---|
| 500.0 TH/s | Taux de hachage | 56.0 TH/s |
| 6,750 W | Consommation électrique | 3,360 W |
| 13.5 J/TH | Efficiency | 60.0 J/TH |
| 50 dB | Niveau de bruit | — |
| 20.5 kg | Weight | 12,500.0 kg |
| 23,031 BTU/hr | BTU Output | 11,464 BTU/hr |
| 44/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitdeer | Manufacturer | MicroBT |
Profitability Comparison
Bitdeer SealMiner A3 Hydro
MicroBT Whatsminer M21S
Based on BTC price of $78,067 and current network difficulty as of Apr 26, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitdeer SealMiner A3 Hydro l'emporte sur 4 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le MicroBT Whatsminer M21S a l'avantage en consommation électrique and rapport qualité-prix. 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
Bitdeer SealMiner A3 Hydro$7.93/day higher profit at current rates.
Best for Home Mining
Bitdeer SealMiner A3 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Hydro13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A3 Hydro or MicroBT Whatsminer M21S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Hydro is more profitable at $1.90/day compared to $-6.04/day for the MicroBT Whatsminer M21S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitdeer SealMiner A3 Hydro or MicroBT Whatsminer M21S?
The Bitdeer SealMiner A3 Hydro is quieter at 50 dB compared to the MicroBT Whatsminer M21S at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitdeer SealMiner A3 Hydro or MicroBT Whatsminer M21S?
The Bitdeer SealMiner A3 Hydro scores 44/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M21S). 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 A3 Hydro and MicroBT Whatsminer M21S?
The Bitdeer SealMiner A3 Hydro runs at 13.5 J/TH while the MicroBT Whatsminer M21S runs at 60.0 J/TH — a difference of 46.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
Compare Bitdeer SealMiner A3 Hydro with...
- Bitdeer SealMiner A3 Hydro vs Bitdeer SealMiner A2
- Bitdeer SealMiner A3 Hydro vs Bitdeer SealMiner A2 Hyd
- Bitdeer SealMiner A3 Hydro vs Bitdeer SealMiner A2 Pro Air
- Bitdeer SealMiner A3 Hydro vs Bitdeer SealMiner A2 Pro Hyd
- Bitdeer SealMiner A3 Hydro vs Bitdeer SealMiner A3 Air
- Bitdeer SealMiner A3 Hydro vs Bitdeer SealMiner A3 Pro Air