Antminer S9 vs Bitdeer SealMiner A2 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S9 | Specification | Bitdeer SealMiner A2 Pro Air |
|---|---|---|
| 14.0 TH/s | Taux de hachage | 255.0 TH/s |
| 1,350 W | Consommation électrique | 3,790 W |
| 96.4 J/TH | Efficiency | 14.9 J/TH |
| 76 dB | Niveau de bruit | 75 dB |
| 4.2 kg | Weight | 15.5 kg |
| 4,606 BTU/hr | BTU Output | 12,932 BTU/hr |
| 83/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Antminer S9
Bitdeer SealMiner A2 Pro Air
Based on BTC price of $66,829 and current network difficulty as of Mar 28, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitdeer SealMiner A2 Pro Air l'emporte sur 3 des 5 facteurs (efficacité, hashrate, niveau sonore). Le Antminer S9 a l'avantage en consommation électrique and score de minage domestique. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer S9Score: 83/100. 76 dB noise level.
Best for Efficiency
Bitdeer SealMiner A2 Pro Air14.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S9 or Bitdeer SealMiner A2 Pro Air more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 Pro Air is more profitable at $-1.09/day compared to $-2.80/day for the Antminer S9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S9 or Bitdeer SealMiner A2 Pro Air?
The Bitdeer SealMiner A2 Pro Air is quieter at 75 dB compared to the Antminer S9 at 76 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S9 or Bitdeer SealMiner A2 Pro Air?
The Antminer S9 scores 83/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A2 Pro Air). 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 Antminer S9 and Bitdeer SealMiner A2 Pro Air?
The Antminer S9 runs at 96.4 J/TH while the Bitdeer SealMiner A2 Pro Air runs at 14.9 J/TH — a difference of 81.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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