Canaan AvalonMiner 1166 Pro vs Bitdeer SealMiner A3 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan AvalonMiner 1166 Pro | Specification | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| 81.0 TH/s | Hashrate | 290.0 TH/s |
| 3,400 W | Power Consumption | 3,625 W |
| 42.0 J/TH | Efficiency | 12.5 J/TH |
| — | Noise Level | 75 dB |
| 12,800.0 kg | Weight | 15.5 kg |
| 11,601 BTU/hr | BTU Output | 12,369 BTU/hr |
| 22/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | Bitdeer |
Profitability Comparison
Canaan AvalonMiner 1166 Pro
Bitdeer SealMiner A3 Pro Air
Based on BTC price of $79,032 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitdeer SealMiner A3 Pro Air edges it: 4 of 6 factors go its way (efficiency, hashrate, home mining score, noise level). Its biggest concrete edge: 258% more hashrate (81.0 vs 290.0 TH/s). The Canaan AvalonMiner 1166 Pro holds the edge in power consumption and price-performance. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Canaan AvalonMiner 1166 Pro and Bitdeer SealMiner A3 Pro Air diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitdeer SealMiner A3 Pro Air 258% more hashrate (81.0 vs 290.0 TH/s)
- Canaan AvalonMiner 1166 Pro 6% better power draw (3,400 vs 3,625 W)
- Bitdeer SealMiner A3 Pro Air 70% better efficiency (42.0 vs 12.5 J/TH)
- Bitdeer SealMiner A3 Pro Air 100% better weight (12,800.0 vs 15.5 kg)
- Bitdeer SealMiner A3 Pro Air 7% more heat output (11,601 vs 12,369 BTU/hr)
- Bitdeer SealMiner A3 Pro Air 36% more home mining score (22.0 vs 30.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Canaan AvalonMiner 1166 Pro | Metric | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| $404 | Upfront cost (MSRP) | $4,895 |
| -$5.21 | Daily net profit | $1.85 |
| -$2,307 | Net after 1 year | -$4,221 |
| -$4,210 | Net after 2 years | -$3,547 |
| -$6,113 | Net after 3 years | -$2,872 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~7.3 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$7.06/day higher profit at current rates.
Best for Home Mining
Bitdeer SealMiner A3 Pro AirScore: 30/100. 75 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Pro Air12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Canaan AvalonMiner 1166 Pro or the Bitdeer SealMiner A3 Pro Air?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Pro Air is more profitable at $1.85/day compared to $-5.21/day for the Canaan AvalonMiner 1166 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Canaan AvalonMiner 1166 Pro or the Bitdeer SealMiner A3 Pro Air better for noise-sensitive spaces?
The Bitdeer SealMiner A3 Pro Air is quieter at 75 dB compared to the Canaan AvalonMiner 1166 Pro at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Canaan AvalonMiner 1166 Pro or the Bitdeer SealMiner A3 Pro Air?
The Bitdeer SealMiner A3 Pro Air scores 30/100 on our Home Mining Score (vs 22/100 for the Canaan AvalonMiner 1166 Pro). 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 Canaan AvalonMiner 1166 Pro and Bitdeer SealMiner A3 Pro Air?
The Canaan AvalonMiner 1166 Pro runs at 42.0 J/TH while the Bitdeer SealMiner A3 Pro Air runs at 12.5 J/TH — a difference of 29.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 70% better efficiency (42.0 vs 12.5 J/TH).
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