Antminer S19 Pro+ vs Bitdeer SealMiner A2 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19 Pro+ | Specification | Bitdeer SealMiner A2 Pro Air |
|---|---|---|
| 120.0 TH/s | Hashrate | 255.0 TH/s |
| 3,360 W | Power Consumption | 3,790 W |
| 28.0 J/TH | Efficiency | 14.9 J/TH |
| 75 dB | Noise Level | 75 dB |
| 14.4 kg | Weight | 15.5 kg |
| 11,464 BTU/hr | BTU Output | 12,932 BTU/hr |
| 84/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Antminer S19 Pro+
Bitdeer SealMiner A2 Pro Air
Based on BTC price of $74,178 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Bitdeer SealMiner A2 Pro Air offers 47% better efficiency at 14.9 J/TH compared to the Antminer S19 Pro+ at 28.0 J/TH. This directly impacts daily operating costs and long-term profitability.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer S19 Pro+Score: 84/100. 75 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 S19 Pro+ 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 $-4.21/day for the Antminer S19 Pro+. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S19 Pro+ or Bitdeer SealMiner A2 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 S19 Pro+ or Bitdeer SealMiner A2 Pro Air?
The Antminer S19 Pro+ scores 84/100 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 S19 Pro+ and Bitdeer SealMiner A2 Pro Air?
The Antminer S19 Pro+ runs at 28.0 J/TH while the Bitdeer SealMiner A2 Pro Air runs at 14.9 J/TH — a difference of 13.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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