Avalon A1566 vs GMO miner B3
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Avalon A1566 | Specification | GMO miner B3 |
|---|---|---|
| 185.0 TH/s | Hashrate | 33.0 TH/s |
| 3,420 W | Power Consumption | 3,417 W |
| 18.5 J/TH | Efficiency | 103.6 J/TH |
| 75 dB | Noise Level | — |
| 14.9 kg | Weight | 5,000.0 kg |
| 11,669 BTU/hr | BTU Output | 11,659 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | GMO miner |
Profitability Comparison
Avalon A1566
GMO miner B3
Based on BTC price of $76,982 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Avalon A1566 comes out ahead — it takes 4 of 5 (efficiency, hashrate, home mining score, noise level). The standout gap is 461% more hashrate (185.0 vs 33.0 TH/s) in the Avalon A1566's favour. The GMO miner B3 claws back ground on power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Avalon A1566 and GMO miner B3 sit on each measurable spec:
- Avalon A1566 461% more hashrate (185.0 vs 33.0 TH/s)
- Avalon A1566 82% better efficiency (18.5 vs 103.6 J/TH)
- Avalon A1566 100% better weight (14.9 vs 5,000.0 kg)
- Avalon A1566 64% more home mining score (36.0 vs 22.0)
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 A1566 | Metric | GMO miner B3 |
|---|---|---|
| $5,500 | Upfront cost (MSRP) | — |
| -$1.65 | Daily net profit | -$7.03 |
| -$6,104 | Net after 1 year | -$2,567 |
| -$6,708 | Net after 2 years | -$5,133 |
| -$7,311 | Net after 3 years | -$7,700 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Avalon A1566Score: 36/100. 75 dB noise level.
Best for Efficiency
Avalon A156618.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Avalon A1566 vs GMO miner B3: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Avalon A1566 is more profitable at $-1.65/day compared to $-7.03/day for the GMO miner B3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Avalon A1566 or GMO miner B3?
The Avalon A1566 is quieter at 75 dB compared to the GMO miner B3 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Avalon A1566 or the GMO miner B3?
The Avalon A1566 scores 36/100 on our Home Mining Score (vs 22/100 for the GMO miner B3). 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 A1566 and GMO miner B3?
The Avalon A1566 runs at 18.5 J/TH while the GMO miner B3 runs at 103.6 J/TH — a difference of 85.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 82% better efficiency (18.5 vs 103.6 J/TH).