Bitmain Antminer S7-LN vs Bitdeer SealMiner A3 Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S7-LN | Specification | Bitdeer SealMiner A3 Hydro |
|---|---|---|
| 2.7 TH/s | Taux de hachage | 500.0 TH/s |
| 697 W | Consommation électrique | 6,750 W |
| 258.2 J/TH | Efficiency | 13.5 J/TH |
| — | Niveau de bruit | 50 dB |
| 7,500.0 kg | Weight | 20.5 kg |
| 2,378 BTU/hr | BTU Output | 23,031 BTU/hr |
| 30/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Bitmain Antminer S7-LN
Bitdeer SealMiner A3 Hydro
Based on BTC price of $76,826 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitdeer SealMiner A3 Hydro l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Its biggest concrete edge: 18419% more hashrate (2.7 vs 500.0 TH/s). That said, the Bitmain Antminer S7-LN isn't beaten everywhere — it still wins consommation électrique. 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 Bitmain Antminer S7-LN and Bitdeer SealMiner A3 Hydro sit on each measurable spec:
- Bitdeer SealMiner A3 Hydro 18419% more hashrate (2.7 vs 500.0 TH/s)
- Bitmain Antminer S7-LN 90% better power draw (697 vs 6,750 W)
- Bitdeer SealMiner A3 Hydro 95% better efficacité (258.2 vs 13.5 J/TH)
- Bitdeer SealMiner A3 Hydro 100% better weight (7,500.0 vs 20.5 kg)
- Bitdeer SealMiner A3 Hydro 868% more heat output (2,378 vs 23,031 BTU/hr)
- Bitdeer SealMiner A3 Hydro 47% more score de minage domestique (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.
| Bitmain Antminer S7-LN | Metric | Bitdeer SealMiner A3 Hydro |
|---|---|---|
| — | Upfront cost (MSRP) | $6,650 |
| -$1.58 | Daily net profit | $1.48 |
| -$576 | Net after 1 year | -$6,111 |
| -$1,151 | Net after 2 years | -$5,572 |
| -$1,727 | Net after 3 years | -$5,033 |
| — | Payback period | Takes ~12.3 years to pay back at current rates |
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
Bitdeer SealMiner A3 Hydro$3.05/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
Bitmain Antminer S7-LN vs Bitdeer SealMiner A3 Hydro: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Hydro is more profitable at $1.48/day compared to $-1.58/day for the Bitmain Antminer S7-LN. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S7-LN vs Bitdeer SealMiner A3 Hydro: which runs at a lower noise level?
The Bitdeer SealMiner A3 Hydro is quieter at 50 dB compared to the Bitmain Antminer S7-LN at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S7-LN or the Bitdeer SealMiner A3 Hydro?
The Bitdeer SealMiner A3 Hydro scores 44/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer S7-LN). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S7-LN vs Bitdeer SealMiner A3 Hydro: how much does the efficiency gap matter?
The Bitmain Antminer S7-LN runs at 258.2 J/TH while the Bitdeer SealMiner A3 Hydro runs at 13.5 J/TH — a difference of 244.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 95% better efficacité (258.2 vs 13.5 J/TH).
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