Bitmain Antminer S23 Immersion (442Th) vs Avalon A1566
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S23 Immersion (442Th) | Specification | Avalon A1566 |
|---|---|---|
| 442.0 TH/s | Hashrate | 185.0 TH/s |
| 5,304 W | Power Consumption | 3,420 W |
| 12.0 J/TH | Efficiency | 18.5 J/TH |
| 50 dB | Noise Level | 75 dB |
| 17.2 kg | Weight | 14.9 kg |
| 18,097 BTU/hr | BTU Output | 11,669 BTU/hr |
| 44/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S23 Immersion (442Th)
Avalon A1566
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 Bitmain Antminer S23 Immersion (442Th) comes out ahead — it takes 5 of 6 (efficiency, hashrate, home mining score, noise level, price-performance). Its biggest concrete edge: 139% more hashrate (442 vs 185 TH/s). The Avalon A1566 holds the edge in power consumption. 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 Bitmain Antminer S23 Immersion (442Th) and Avalon A1566 sit on each measurable spec:
- Bitmain Antminer S23 Immersion (442Th) 139% more hashrate (442 vs 185 TH/s)
- Avalon A1566 36% better power draw (5,304 vs 3,420 W)
- Bitmain Antminer S23 Immersion (442Th) 35% better efficiency (12.0 vs 18.5 J/TH)
- Bitmain Antminer S23 Immersion (442Th) 33% better noise (50.0 vs 75.0 dB)
- Avalon A1566 13% better weight (17.2 vs 14.9 kg)
- Bitmain Antminer S23 Immersion (442Th) 55% more heat output (18,097 vs 11,669 BTU/hr)
- Bitmain Antminer S23 Immersion (442Th) 22% more home mining score (44.0 vs 36.0)
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.
| Bitmain Antminer S23 Immersion (442Th) | Metric | Avalon A1566 |
|---|---|---|
| $8,800 | Upfront cost (MSRP) | $5,500 |
| $2.93 | Daily net profit | -$1.65 |
| -$7,731 | Net after 1 year | -$6,104 |
| -$6,662 | Net after 2 years | -$6,708 |
| -$5,593 | Net after 3 years | -$7,311 |
| Takes ~8.2 years to pay back at current rates | 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
Bitmain Antminer S23 Immersion (442Th)$4.58/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S23 Immersion (442Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S23 Immersion (442Th)12.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S23 Immersion (442Th) or the Avalon A1566?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S23 Immersion (442Th) is more profitable at $2.93/day compared to $-1.65/day for the Avalon A1566. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S23 Immersion (442Th) or the Avalon A1566 better for noise-sensitive spaces?
The Bitmain Antminer S23 Immersion (442Th) is quieter at 50 dB compared to the Avalon A1566 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S23 Immersion (442Th) or Avalon A1566?
The Bitmain Antminer S23 Immersion (442Th) scores 44/100 on our Home Mining Score (vs 36/100 for the Avalon A1566). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S23 Immersion (442Th) and Avalon A1566 on J/TH?
The Bitmain Antminer S23 Immersion (442Th) runs at 12.0 J/TH while the Avalon A1566 runs at 18.5 J/TH — a difference of 6.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 35% better efficiency (12.0 vs 18.5 J/TH).
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