Antminer S19k Pro vs Bitdeer SealMiner A3 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19k Pro | Specification | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| 120.0 TH/s | Hashrate | 290.0 TH/s |
| 2,760 W | Power Consumption | 3,625 W |
| 23.0 J/TH | Efficiency | 12.5 J/TH |
| 75 dB | Noise Level | 75 dB |
| 12.5 kg | Weight | 15.5 kg |
| 9,417 BTU/hr | BTU Output | 12,369 BTU/hr |
| 84/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Antminer S19k Pro
Bitdeer SealMiner A3 Pro Air
Based on BTC price of $70,303 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitdeer SealMiner A3 Pro Air wins on 3 of 5 factors (efficiency, hashrate, price-performance). The Antminer S19k 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.
Best For...
Best for Profitability
Bitdeer SealMiner A3 Pro Air$3.10/day higher profit at current rates.
Best for Home Mining
Antminer S19k ProScore: 84/100. 75 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Pro Air12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S19k Pro or Bitdeer SealMiner A3 Pro Air more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Pro Air is more profitable at $0.14/day compared to $-2.97/day for the Antminer S19k Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S19k Pro or Bitdeer SealMiner A3 Pro Air?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer S19k Pro or Bitdeer SealMiner A3 Pro Air?
The Antminer S19k Pro scores 84/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A3 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 S19k Pro and Bitdeer SealMiner A3 Pro Air?
The Antminer S19k Pro runs at 23.0 J/TH while the Bitdeer SealMiner A3 Pro Air runs at 12.5 J/TH — a difference of 10.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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