Bitdeer SealMiner A2 vs Whatsminer M63S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A2 | Specification | Whatsminer M63S |
|---|---|---|
| 226.0 TH/s | Taux de hachage | 390.0 TH/s |
| 3,730 W | Consommation électrique | 7,215 W |
| 16.5 J/TH | Efficiency | 18.5 J/TH |
| 75 dB | Niveau de bruit | 50 dB |
| 15.5 kg | Weight | 28.0 kg |
| 12,727 BTU/hr | BTU Output | 24,618 BTU/hr |
| 30/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitdeer | Manufacturer | MicroBT |
Profitability Comparison
Bitdeer SealMiner A2
Whatsminer M63S
Based on BTC price of $62,980 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitdeer SealMiner A2, which leads on 3 of 6 weighted factors (efficacité, consommation électrique, rapport qualité-prix). Where it pulls away hardest is 48% better power draw (3,730 vs 7,215 W). That said, the Whatsminer M63S isn't beaten everywhere — it still wins hashrate and score de minage domestique and niveau sonore. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Bitdeer SealMiner A2 and Whatsminer M63S actually differ, with the gap quantified:
- Whatsminer M63S 73% more hashrate (226 vs 390 TH/s)
- Bitdeer SealMiner A2 48% better power draw (3,730 vs 7,215 W)
- Bitdeer SealMiner A2 11% better efficacité (16.5 vs 18.5 J/TH)
- Whatsminer M63S 33% better noise (75.0 vs 50.0 dB)
- Bitdeer SealMiner A2 45% better weight (15.5 vs 28.0 kg)
- Whatsminer M63S 93% more heat output (12,727 vs 24,618 BTU/hr)
- Whatsminer M63S 47% more score de minage domestique (30.0 vs 44.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitdeer SealMiner A2 | Metric | Whatsminer M63S |
|---|---|---|
| $2,760 | Upfront cost (MSRP) | $12,000 |
| -$2.51 | Daily net profit | -$6.20 |
| -$3,677 | Net after 1 year | -$14,264 |
| -$4,594 | Net after 2 years | -$16,529 |
| -$5,511 | Net after 3 years | -$18,793 |
| 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 M63SScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A216.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitdeer SealMiner A2 or the Whatsminer M63S?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 is more profitable at $-2.51/day compared to $-6.20/day for the Whatsminer M63S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitdeer SealMiner A2 or the Whatsminer M63S better for noise-sensitive spaces?
The Whatsminer M63S 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.
Bitdeer SealMiner A2 vs Whatsminer M63S: which fits a residential setup better?
The Whatsminer M63S 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 M63S?
The Bitdeer SealMiner A2 runs at 16.5 J/TH while the Whatsminer M63S runs at 18.5 J/TH — a difference of 2.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 11% better efficacité (16.5 vs 18.5 J/TH).
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