Bitdeer SealMiner A3 Pro Hydro vs MicroBT WhatsMiner M78
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A3 Pro Hydro | Specification | MicroBT WhatsMiner M78 |
|---|---|---|
| 660.0 TH/s | Hashrate | 464.0 TH/s |
| 8,250 W | Power Consumption | 6,728 W |
| 12.5 J/TH | Efficiency | 14.5 J/TH |
| 50 dB | Noise Level | 75 dB |
| 20.5 kg | Weight | 18.0 kg |
| 28,149 BTU/hr | BTU Output | 22,956 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | MicroBT |
Profitability Comparison
Bitdeer SealMiner A3 Pro Hydro
MicroBT WhatsMiner M78
Based on BTC price of $71,088 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitdeer SealMiner A3 Pro Hydro wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The MicroBT WhatsMiner M78 holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
Bitdeer SealMiner A3 Pro Hydro$2.39/day higher profit at current rates.
Best for Home Mining
Bitdeer SealMiner A3 Pro HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Pro Hydro12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A3 Pro Hydro or MicroBT WhatsMiner M78 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Pro Hydro is more profitable at $0.54/day compared to $-1.85/day for the MicroBT WhatsMiner M78. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitdeer SealMiner A3 Pro Hydro or MicroBT WhatsMiner M78?
The Bitdeer SealMiner A3 Pro Hydro is quieter at 50 dB compared to the MicroBT WhatsMiner M78 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitdeer SealMiner A3 Pro Hydro or MicroBT WhatsMiner M78?
The Bitdeer SealMiner A3 Pro Hydro scores 44/100 on our Home Mining Score (vs 30/100 for the MicroBT WhatsMiner M78). 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 Pro Hydro and MicroBT WhatsMiner M78?
The Bitdeer SealMiner A3 Pro Hydro runs at 12.5 J/TH while the MicroBT WhatsMiner M78 runs at 14.5 J/TH — a difference of 2.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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