Bitdeer SealMiner A2 vs Whatsminer M56S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A2 | Specification | Whatsminer M56S |
|---|---|---|
| 226.0 TH/s | Hashrate | 212.0 TH/s |
| 3,730 W | Power Consumption | 5,550 W |
| 16.5 J/TH | Efficiency | 26.2 J/TH |
| 75 dB | Noise Level | 50 dB |
| 15.5 kg | Weight | 13.0 kg |
| 12,727 BTU/hr | BTU Output | 18,937 BTU/hr |
| 30/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | MicroBT |
Profitability Comparison
Bitdeer SealMiner A2
Whatsminer M56S
Based on BTC price of $79,143 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitdeer SealMiner A2, which leads on 4 of 6 weighted factors (efficiency, hashrate, power consumption, price-performance). Where it pulls away hardest is 37% better efficiency (16.5 vs 26.2 J/TH). That said, the Whatsminer M56S isn't beaten everywhere — it still wins home mining score and noise level. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitdeer SealMiner A2 and Whatsminer M56S sit on each measurable spec:
- Bitdeer SealMiner A2 7% more hashrate (226 vs 212 TH/s)
- Bitdeer SealMiner A2 33% better power draw (3,730 vs 5,550 W)
- Bitdeer SealMiner A2 37% better efficiency (16.5 vs 26.2 J/TH)
- Whatsminer M56S 33% better noise (75.0 vs 50.0 dB)
- Whatsminer M56S 16% better weight (15.5 vs 13.0 kg)
- Whatsminer M56S 49% more heat output (12,727 vs 18,937 BTU/hr)
- Whatsminer M56S 47% more home mining score (30.0 vs 44.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitdeer SealMiner A2 | Metric | Whatsminer M56S |
|---|---|---|
| $2,760 | Upfront cost (MSRP) | $5,500 |
| -$0.72 | Daily net profit | -$5.60 |
| -$3,023 | Net after 1 year | -$7,544 |
| -$3,286 | Net after 2 years | -$9,587 |
| -$3,550 | Net after 3 years | -$11,631 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Whatsminer M56SScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A216.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A2 or Whatsminer M56S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 is more profitable at $-0.72/day compared to $-5.60/day for the Whatsminer M56S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitdeer SealMiner A2 or Whatsminer M56S?
The Whatsminer M56S is quieter at 50 dB compared to the Bitdeer SealMiner A2 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitdeer SealMiner A2 or Whatsminer M56S?
The Whatsminer M56S scores 44/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A2). 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 and Whatsminer M56S?
The Bitdeer SealMiner A2 runs at 16.5 J/TH while the Whatsminer M56S runs at 26.2 J/TH — a difference of 9.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 37% better efficiency (16.5 vs 26.2 J/TH).
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