Bitdeer SealMiner A2 vs Bitdeer SealMiner A3 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A2 | Specification | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| 226.0 TH/s | Hashrate | 290.0 TH/s |
| 3,730 W | Power Consumption | 3,625 W |
| 16.5 J/TH | Efficiency | 12.5 J/TH |
| 75 dB | Noise Level | 75 dB |
| 15.5 kg | Weight | 15.5 kg |
| 12,727 BTU/hr | BTU Output | 12,369 BTU/hr |
| 30/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | Bitdeer |
Profitability Comparison
Bitdeer SealMiner A2
Bitdeer SealMiner A3 Pro Air
Based on BTC price of $74,306 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Bitdeer SealMiner A3 Pro Air offers 24% better efficiency at 12.5 J/TH compared to the Bitdeer SealMiner A2 at 16.5 J/TH. This directly impacts daily operating costs and long-term profitability.
Best For...
Best for Profitability
Bitdeer SealMiner A3 Pro Air$2.31/day higher profit at current rates.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitdeer SealMiner A3 Pro Air12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A2 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 $0.64/day compared to $-1.67/day for the Bitdeer SealMiner A2. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitdeer SealMiner A2 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 Bitdeer SealMiner A2 or Bitdeer SealMiner A3 Pro Air?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Bitdeer SealMiner A2 and Bitdeer SealMiner A3 Pro Air?
The Bitdeer SealMiner A2 runs at 16.5 J/TH while the Bitdeer SealMiner A3 Pro Air runs at 12.5 J/TH — a difference of 4.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.