Antminer S19j Pro

Hashrate 100.0 TH/s Power 3,050 W Efficiency 30.5 J/TH

Bitdeer SealMiner A3 Air

Hashrate 260.0 TH/s Power 3,640 W Efficiency 14.0 J/TH

Antminer S19j Pro vs Bitdeer SealMiner A3 Air

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

Specifications Comparison

Antminer S19j Pro	Specification	Bitdeer SealMiner A3 Air
100.0 TH/s	Hashrate	260.0 TH/s
3,050 W	Power Consumption	3,640 W
30.5 J/TH	Efficiency	14.0 J/TH
75 dB	Noise Level	75 dB
13.2 kg	Weight	15.5 kg
10,407 BTU/hr	BTU Output	12,420 BTU/hr
84/100	Home Mining Score	30/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	Bitdeer

Profitability Comparison

Electricity Rate:

$/kWh

Antminer S19j Pro

Daily Revenue 0.00004636 BTC $3.59

Daily Electricity -$7.32

Daily Profit -$3.73

Monthly -$112.04

Yearly -$1,363.15

Bitdeer SealMiner A3 Air

Daily Revenue 0.00012054 BTC $9.32

Daily Electricity -$8.74

Daily Profit $0.59

Monthly $17.58

Yearly $213.85

Based on BTC price of $77,334 and current network difficulty as of Apr 25, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Bitdeer SealMiner A3 Air wins on 3 of 5 factors (efficiency, hashrate, price-performance). The Antminer S19j Pro holds the edge in power consumption and home mining score. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Bitdeer SealMiner A3 Air — wins on 3 of 5 factors

Best For...

Best for Profitability

Bitdeer SealMiner A3 Air

$4.32/day higher profit at current rates.

Best for Home Mining

Antminer S19j Pro

Score: 84/100. 75 dB noise level.

Best for Efficiency

Bitdeer SealMiner A3 Air

14.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer S19j Pro or Bitdeer SealMiner A3 Air more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Air is more profitable at $0.59/day compared to $-3.73/day for the Antminer S19j Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Antminer S19j Pro or Bitdeer SealMiner A3 Air?

Both miners have similar noise levels. Check the specs table above for exact decibel readings.

Which is better for home mining, the Antminer S19j Pro or Bitdeer SealMiner A3 Air?

The Antminer S19j Pro scores 84/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A3 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 S19j Pro and Bitdeer SealMiner A3 Air?

The Antminer S19j Pro runs at 30.5 J/TH while the Bitdeer SealMiner A3 Air runs at 14.0 J/TH — a difference of 16.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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