Antminer T19 vs Bitdeer SealMiner A2 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer T19 | Specification | Bitdeer SealMiner A2 Pro Air |
|---|---|---|
| 84.0 TH/s | Hashrate | 255.0 TH/s |
| 3,150 W | Power Consumption | 3,790 W |
| 37.5 J/TH | Efficiency | 14.9 J/TH |
| 75 dB | Noise Level | 75 dB |
| 14.4 kg | Weight | 15.5 kg |
| 10,748 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 T19
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 60% better efficiency at 14.9 J/TH compared to the Antminer T19 at 37.5 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 T19Score: 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 T19 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 $-4.86/day for the Antminer T19. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer T19 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 T19 or Bitdeer SealMiner A2 Pro Air?
The Antminer T19 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 T19 and Bitdeer SealMiner A2 Pro Air?
The Antminer T19 runs at 37.5 J/TH while the Bitdeer SealMiner A2 Pro Air runs at 14.9 J/TH — a difference of 22.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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