Avalon A1366 vs Bitdeer SealMiner A3 Pro Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Avalon A1366 | Specification | Bitdeer SealMiner A3 Pro Hydro |
|---|---|---|
| 130.0 TH/s | Taux de hachage | 660.0 TH/s |
| 3,250 W | Consommation électrique | 8,250 W |
| 25.0 J/TH | Efficiency | 12.5 J/TH |
| 75 dB | Niveau de bruit | 50 dB |
| 12.6 kg | Weight | 20.5 kg |
| 11,089 BTU/hr | BTU Output | 28,149 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Canaan | Manufacturer | Bitdeer |
Profitability Comparison
Avalon A1366
Bitdeer SealMiner A3 Pro Hydro
Based on BTC price of $62,980 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitdeer SealMiner A3 Pro Hydro edges it: 5 of 6 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Where it pulls away hardest is 408% more hashrate (130 vs 660 TH/s). The Avalon A1366 claws back ground on consommation électrique. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Avalon A1366 and Bitdeer SealMiner A3 Pro Hydro actually differ, with the gap quantified:
- Bitdeer SealMiner A3 Pro Hydro 408% more hashrate (130 vs 660 TH/s)
- Avalon A1366 61% better power draw (3,250 vs 8,250 W)
- Bitdeer SealMiner A3 Pro Hydro 50% better efficacité (25.0 vs 12.5 J/TH)
- Bitdeer SealMiner A3 Pro Hydro 33% better noise (75.0 vs 50.0 dB)
- Avalon A1366 39% better weight (12.6 vs 20.5 kg)
- Bitdeer SealMiner A3 Pro Hydro 154% more heat output (11,089 vs 28,149 BTU/hr)
- Bitdeer SealMiner A3 Pro Hydro 22% more score de minage domestique (36.0 vs 44.0)
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.
| Avalon A1366 | Metric | Bitdeer SealMiner A3 Pro Hydro |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $7,995 |
| -$4.10 | Daily net profit | -$0.99 |
| -$4,995 | Net after 1 year | -$8,358 |
| -$6,490 | Net after 2 years | -$8,721 |
| -$7,985 | Net after 3 years | -$9,084 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
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
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitdeer SealMiner A3 Pro HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Pro Hydro12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Avalon A1366 or Bitdeer SealMiner A3 Pro Hydro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Pro Hydro is more profitable at $-0.99/day compared to $-4.10/day for the Avalon A1366. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Avalon A1366 or Bitdeer SealMiner A3 Pro Hydro?
The Bitdeer SealMiner A3 Pro Hydro is quieter at 50 dB compared to the Avalon A1366 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Avalon A1366 vs Bitdeer SealMiner A3 Pro Hydro: which fits a residential setup better?
The Bitdeer SealMiner A3 Pro Hydro scores 44/100 on our Home Mining Score (vs 36/100 for the Avalon A1366). 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 Avalon A1366 and Bitdeer SealMiner A3 Pro Hydro?
The Avalon A1366 runs at 25.0 J/TH while the Bitdeer SealMiner A3 Pro Hydro runs at 12.5 J/TH — a difference of 12.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 50% better efficacité (25.0 vs 12.5 J/TH).
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