Bitdeer SealMiner A2 Hyd vs Bitdeer SealMiner A3 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A2 Hyd | Specification | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| 446.0 TH/s | Hashrate | 290.0 TH/s |
| 7,360 W | Power Consumption | 3,625 W |
| 16.5 J/TH | Efficiency | 12.5 J/TH |
| 50 dB | Noise Level | 75 dB |
| 20.5 kg | Weight | 15.5 kg |
| 25,112 BTU/hr | BTU Output | 12,369 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | Bitdeer |
Profitability Comparison
Bitdeer SealMiner A2 Hyd
Bitdeer SealMiner A3 Pro Air
Based on BTC price of $78,227 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitdeer SealMiner A2 Hyd, which leads on 4 of 6 weighted factors (hashrate, home mining score, noise level, price-performance). The standout gap is 54% more hashrate (446 vs 290 TH/s) in the Bitdeer SealMiner A2 Hyd's favour. That said, the Bitdeer SealMiner A3 Pro Air isn't beaten everywhere — it still wins efficiency and power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitdeer SealMiner A2 Hyd and Bitdeer SealMiner A3 Pro Air sit on each measurable spec:
- Bitdeer SealMiner A2 Hyd 54% more hashrate (446 vs 290 TH/s)
- Bitdeer SealMiner A3 Pro Air 51% better power draw (7,360 vs 3,625 W)
- Bitdeer SealMiner A3 Pro Air 24% better efficiency (16.5 vs 12.5 J/TH)
- Bitdeer SealMiner A2 Hyd 33% better noise (50.0 vs 75.0 dB)
- Bitdeer SealMiner A3 Pro Air 24% better weight (20.5 vs 15.5 kg)
- Bitdeer SealMiner A2 Hyd 103% more heat output (25,112 vs 12,369 BTU/hr)
- Bitdeer SealMiner A2 Hyd 47% more home mining score (44.0 vs 30.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitdeer SealMiner A2 Hyd | Metric | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| $6,150 | Upfront cost (MSRP) | $4,895 |
| -$1.61 | Daily net profit | $1.74 |
| -$6,737 | Net after 1 year | -$4,260 |
| -$7,324 | Net after 2 years | -$3,625 |
| -$7,911 | Net after 3 years | -$2,990 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~7.7 years to pay back at current rates |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
Bitdeer SealMiner A3 Pro Air$3.35/day higher profit at current rates.
Best for Home Mining
Bitdeer SealMiner A2 HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Pro Air12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitdeer SealMiner A2 Hyd vs Bitdeer SealMiner A3 Pro Air: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Pro Air is more profitable at $1.74/day compared to $-1.61/day for the Bitdeer SealMiner A2 Hyd. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitdeer SealMiner A2 Hyd vs Bitdeer SealMiner A3 Pro Air: which runs at a lower noise level?
The Bitdeer SealMiner A2 Hyd is quieter at 50 dB compared to the Bitdeer SealMiner A3 Pro Air 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 Hyd or Bitdeer SealMiner A3 Pro Air?
The Bitdeer SealMiner A2 Hyd scores 44/100 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.
How far apart are the Bitdeer SealMiner A2 Hyd and Bitdeer SealMiner A3 Pro Air on J/TH?
The Bitdeer SealMiner A2 Hyd 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. In relative terms that is 24% better efficiency (16.5 vs 12.5 J/TH).