Bitdeer SealMiner A2 vs Bitdeer SealMiner A3 Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A2 | Specification | Bitdeer SealMiner A3 Hydro |
|---|---|---|
| 226.0 TH/s | Hashrate | 500.0 TH/s |
| 3,730 W | Power Consumption | 6,750 W |
| 16.5 J/TH | Efficiency | 13.5 J/TH |
| 75 dB | Noise Level | 50 dB |
| 15.5 kg | Weight | 20.5 kg |
| 12,727 BTU/hr | BTU Output | 23,031 BTU/hr |
| 30/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | Bitdeer |
Profitability Comparison
Bitdeer SealMiner A2
Bitdeer SealMiner A3 Hydro
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 Hydro offers 18% better efficiency at 13.5 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitdeer SealMiner A3 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Hydro13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A2 or Bitdeer SealMiner A3 Hydro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Hydro is more profitable at $-0.10/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 Hydro?
The Bitdeer SealMiner A3 Hydro is quieter at 50 dB compared to the Bitdeer SealMiner A2 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitdeer SealMiner A2 or Bitdeer SealMiner A3 Hydro?
The Bitdeer SealMiner A3 Hydro scores 44/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A2). 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 Bitdeer SealMiner A2 and Bitdeer SealMiner A3 Hydro?
The Bitdeer SealMiner A2 runs at 16.5 J/TH while the Bitdeer SealMiner A3 Hydro runs at 13.5 J/TH — a difference of 3.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.