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 $77,920 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitdeer SealMiner A3 Hydro edges it: 4 of 6 factors go its way (efficiency, hashrate, home mining score, noise level). Its biggest concrete edge: 121% more hashrate (226 vs 500 TH/s). The Bitdeer SealMiner A2 claws back ground on power consumption and price-performance. 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 and Bitdeer SealMiner A3 Hydro sit on each measurable spec:
- Bitdeer SealMiner A3 Hydro 121% more hashrate (226 vs 500 TH/s)
- Bitdeer SealMiner A2 45% better power draw (3,730 vs 6,750 W)
- Bitdeer SealMiner A3 Hydro 18% better efficiency (16.5 vs 13.5 J/TH)
- Bitdeer SealMiner A3 Hydro 33% better noise (75.0 vs 50.0 dB)
- Bitdeer SealMiner A2 24% better weight (15.5 vs 20.5 kg)
- Bitdeer SealMiner A3 Hydro 81% more heat output (12,727 vs 23,031 BTU/hr)
- Bitdeer SealMiner A3 Hydro 47% more home mining score (30.0 vs 44.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitdeer SealMiner A2 | Metric | Bitdeer SealMiner A3 Hydro |
|---|---|---|
| $2,760 | Upfront cost (MSRP) | $6,650 |
| -$0.85 | Daily net profit | $1.73 |
| -$3,070 | Net after 1 year | -$6,019 |
| -$3,379 | Net after 2 years | -$5,388 |
| -$3,689 | Net after 3 years | -$4,757 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~10.5 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 Hydro$2.58/day higher profit at current rates.
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
Which makes more money, the Bitdeer SealMiner A2 or the Bitdeer SealMiner A3 Hydro?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Hydro is more profitable at $1.73/day compared to $-0.85/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. In relative terms that is 18% better efficiency (16.5 vs 13.5 J/TH).