Bitmain Antminer S9 (13Th) vs Bitdeer SealMiner A3 Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (13Th) | Specification | Bitdeer SealMiner A3 Hydro |
|---|---|---|
| 13.0 TH/s | Taux de hachage | 500.0 TH/s |
| 1,300 W | Consommation électrique | 6,750 W |
| 100.0 J/TH | Efficiency | 13.5 J/TH |
| — | Niveau de bruit | 50 dB |
| 4,200.0 kg | Weight | 20.5 kg |
| 4,436 BTU/hr | BTU Output | 23,031 BTU/hr |
| 31/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Bitmain Antminer S9 (13Th)
Bitdeer SealMiner A3 Hydro
Based on BTC price of $76,901 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitdeer SealMiner A3 Hydro edges it: 4 of 6 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 3746% more hashrate (13.0 vs 500.0 TH/s). That said, the Bitmain Antminer S9 (13Th) isn't beaten everywhere — it still wins consommation électrique and rapport qualité-prix. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S9 (13Th) and Bitdeer SealMiner A3 Hydro actually differ, with the gap quantified:
- Bitdeer SealMiner A3 Hydro 3746% more hashrate (13.0 vs 500.0 TH/s)
- Bitmain Antminer S9 (13Th) 81% better power draw (1,300 vs 6,750 W)
- Bitdeer SealMiner A3 Hydro 87% better efficacité (100.0 vs 13.5 J/TH)
- Bitdeer SealMiner A3 Hydro 100% better weight (4,200.0 vs 20.5 kg)
- Bitdeer SealMiner A3 Hydro 419% more heat output (4,436 vs 23,031 BTU/hr)
- Bitdeer SealMiner A3 Hydro 42% more score de minage domestique (31.0 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 S9 (13Th) | Metric | Bitdeer SealMiner A3 Hydro |
|---|---|---|
| $65 | Upfront cost (MSRP) | $6,650 |
| -$2.66 | Daily net profit | $1.49 |
| -$1,036 | Net after 1 year | -$6,105 |
| -$2,007 | Net after 2 years | -$5,559 |
| -$2,978 | Net after 3 years | -$5,014 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~12.2 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$4.15/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 S9 (13Th) 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 $1.49/day compared to $-2.66/day for the Bitmain Antminer S9 (13Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9 (13Th) or Bitdeer SealMiner A3 Hydro?
The Bitdeer SealMiner A3 Hydro is quieter at 50 dB compared to the Bitmain Antminer S9 (13Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9 (13Th) or Bitdeer SealMiner A3 Hydro?
The Bitdeer SealMiner A3 Hydro scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (13Th)). 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 Bitmain Antminer S9 (13Th) and Bitdeer SealMiner A3 Hydro?
The Bitmain Antminer S9 (13Th) runs at 100.0 J/TH while the Bitdeer SealMiner A3 Hydro runs at 13.5 J/TH — a difference of 86.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 87% better efficacité (100.0 vs 13.5 J/TH).
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