Avalon A1366 vs Bitdeer SealMiner A2 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Avalon A1366 | Specification | Bitdeer SealMiner A2 Pro Air |
|---|---|---|
| 130.0 TH/s | Hashrate | 255.0 TH/s |
| 3,250 W | Power Consumption | 3,790 W |
| 25.0 J/TH | Efficiency | 14.9 J/TH |
| 75 dB | Noise Level | 75 dB |
| 12.6 kg | Weight | 15.5 kg |
| 11,089 BTU/hr | BTU Output | 12,932 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | Bitdeer |
Profitability Comparison
Avalon A1366
Bitdeer SealMiner A2 Pro Air
Based on BTC price of $79,034 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitdeer SealMiner A2 Pro Air comes out ahead — it takes 3 of 5 (efficiency, hashrate, price-performance). The standout gap is 96% more hashrate (130 vs 255 TH/s) in the Bitdeer SealMiner A2 Pro Air's favour. The Avalon A1366 claws back ground on power consumption and home mining score. 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 Avalon A1366 and Bitdeer SealMiner A2 Pro Air sit on each measurable spec:
- Bitdeer SealMiner A2 Pro Air 96% more hashrate (130 vs 255 TH/s)
- Avalon A1366 14% better power draw (3,250 vs 3,790 W)
- Bitdeer SealMiner A2 Pro Air 41% better efficiency (25.0 vs 14.9 J/TH)
- Avalon A1366 19% better weight (12.6 vs 15.5 kg)
- Bitdeer SealMiner A2 Pro Air 17% more heat output (11,089 vs 12,932 BTU/hr)
- Avalon A1366 20% more home mining score (36.0 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.
| Avalon A1366 | Metric | Bitdeer SealMiner A2 Pro Air |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $4,000 |
| -$3.07 | Daily net profit | $0.18 |
| -$4,621 | Net after 1 year | -$3,935 |
| -$5,742 | Net after 2 years | -$3,870 |
| -$6,864 | Net after 3 years | -$3,805 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~61.4 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 A2 Pro Air$3.25/day higher profit at current rates.
Best for Home Mining
Avalon A1366Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitdeer SealMiner A2 Pro Air14.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Avalon A1366 or the Bitdeer SealMiner A2 Pro Air?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 Pro Air is more profitable at $0.18/day compared to $-3.07/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 A2 Pro Air?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Avalon A1366 or the Bitdeer SealMiner A2 Pro Air?
The Avalon A1366 scores 36/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A2 Pro Air). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Avalon A1366 vs Bitdeer SealMiner A2 Pro Air: how much does the efficiency gap matter?
The Avalon A1366 runs at 25.0 J/TH while the Bitdeer SealMiner A2 Pro Air runs at 14.9 J/TH — a difference of 10.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 41% better efficiency (25.0 vs 14.9 J/TH).
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