Avalon A1366

Hashrate 130.0 TH/s Power 3,250 W Efficiency 25.0 J/TH

Bitdeer SealMiner A3 Pro Air

Hashrate 290.0 TH/s Power 3,625 W Efficiency 12.5 J/TH

Avalon A1366 vs Bitdeer SealMiner A3 Pro Air

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Avalon A1366	Specification	Bitdeer SealMiner A3 Pro Air
130.0 TH/s	Hashrate	290.0 TH/s
3,250 W	Power Consumption	3,625 W
25.0 J/TH	Efficiency	12.5 J/TH
75 dB	Noise Level	75 dB
12.6 kg	Weight	15.5 kg
11,089 BTU/hr	BTU Output	12,369 BTU/hr
36/100	Home Mining Score	30/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Canaan	Manufacturer	Bitdeer

Profitability Comparison

Electricity Rate:

$/kWh

Avalon A1366

Daily Revenue 0.00005982 BTC $4.73

Daily Electricity -$7.80

Daily Profit -$3.07

Monthly -$92.16

Yearly -$1,121.24

Bitdeer SealMiner A3 Pro Air

Daily Revenue 0.00013345 BTC $10.55

Daily Electricity -$8.70

Daily Profit $1.85

Monthly $55.42

Yearly $674.28

Based on BTC price of $79,034 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Our scoring model gives the nod to the Bitdeer SealMiner A3 Pro Air, which leads on 3 of 5 weighted factors (efficiency, hashrate, price-performance). Where it pulls away hardest is 123% more hashrate (130 vs 290 TH/s). The Avalon A1366 claws back ground on power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.

Winner: Bitdeer SealMiner A3 Pro Air — wins on 3 of 5 factors

Spec Deltas

The Avalon A1366 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 123% more hashrate (130 vs 290 TH/s)
Avalon A1366 10% better power draw (3,250 vs 3,625 W)
Bitdeer SealMiner A3 Pro Air 50% better efficiency (25.0 vs 12.5 J/TH)
Avalon A1366 19% better weight (12.6 vs 15.5 kg)
Bitdeer SealMiner A3 Pro Air 12% more heat output (11,089 vs 12,369 BTU/hr)
Avalon A1366 20% more home mining score (36.0 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.

Avalon A1366	Metric	Bitdeer SealMiner A3 Pro Air
$3,500	Upfront cost (MSRP)	$4,895
-$3.07	Daily net profit	$1.85
-$4,621	Net after 1 year	-$4,221
-$5,742	Net after 2 years	-$3,546
-$6,864	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

$4.92/day higher profit at current rates.

Best for Home Mining

Avalon A1366

Score: 36/100. 75 dB noise level.

Best for Efficiency

Bitdeer SealMiner A3 Pro Air

12.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Which makes more money, the Avalon A1366 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 $-3.07/day for the Avalon A1366. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Is the Avalon A1366 or the Bitdeer SealMiner A3 Pro Air better for noise-sensitive spaces?

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 A3 Pro Air?

The Avalon A1366 scores 36/100 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.

Avalon A1366 vs Bitdeer SealMiner A3 Pro Air: how much does the efficiency gap matter?

The Avalon A1366 runs at 25.0 J/TH while the Bitdeer SealMiner A3 Pro Air 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 efficiency (25.0 vs 12.5 J/TH).

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