Bitmain Antminer S9j (14.5Th)

Taux de hachage 14.5 TH/s Puissance 1,350 W Efficiency 93.1 J/TH

Bitdeer SealMiner A2 Pro Air

Taux de hachage 255.0 TH/s Puissance 3,790 W Efficiency 14.9 J/TH

Bitmain Antminer S9j (14.5Th) vs Bitdeer SealMiner A2 Pro Air

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Bitmain Antminer S9j (14.5Th)	Specification	Bitdeer SealMiner A2 Pro Air
14.5 TH/s	Taux de hachage	255.0 TH/s
1,350 W	Consommation électrique	3,790 W
93.1 J/TH	Efficiency	14.9 J/TH
—	Niveau de bruit	75 dB
4,200.0 kg	Weight	15.5 kg
4,606 BTU/hr	BTU Output	12,932 BTU/hr
31/100	Home Mining Score	30/100
—	Release Year	—
SHA-256	Algorithme	SHA-256
Bitmain	Manufacturer	Bitdeer

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S9j (14.5Th)

Daily Revenue 0.00000628 BTC $0.47

Daily Electricity -$3.24

Daily Profit -$2.77

Monthly -$83.22

Yearly -$1,012.51

Bitdeer SealMiner A2 Pro Air

Daily Revenue 0.00011052 BTC $8.20

Daily Electricity -$9.10

Daily Profit -$0.90

Monthly -$27.03

Yearly -$328.82

Based on BTC price of $74,149 and current network difficulty as of Mar 17, 2026. Actual results vary.

Verdict

Selon notre analyse multifactorielle, le Bitdeer SealMiner A2 Pro Air l'emporte sur 3 des 6 facteurs (efficacité, hashrate, niveau sonore). Le Bitmain Antminer S9j (14.5Th) a l'avantage en consommation électrique and score de minage domestique and rapport qualité-prix. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.

Winner: Bitdeer SealMiner A2 Pro Air — l'emporte sur 3 des 6 facteurs

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitmain Antminer S9j (14.5Th)

Score: 31/100. 0 dB noise level.

Best for Efficiency

Bitdeer SealMiner A2 Pro Air

14.9 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S9j (14.5Th) 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 $-0.90/day compared to $-2.77/day for the Bitmain Antminer S9j (14.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S9j (14.5Th) or Bitdeer SealMiner A2 Pro Air?

The Bitdeer SealMiner A2 Pro Air is quieter at 75 dB compared to the Bitmain Antminer S9j (14.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S9j (14.5Th) or Bitdeer SealMiner A2 Pro Air?

The Bitmain Antminer S9j (14.5Th) scores 31/100 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 Bitmain Antminer S9j (14.5Th) and Bitdeer SealMiner A2 Pro Air?

The Bitmain Antminer S9j (14.5Th) runs at 93.1 J/TH while the Bitdeer SealMiner A2 Pro Air runs at 14.9 J/TH — a difference of 78.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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