Bitmain Antminer S5 vs Avalon A1366
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S5 | Specification | Avalon A1366 |
|---|---|---|
| 1.2 TH/s | Hashrate | 130.0 TH/s |
| 590 W | Power Consumption | 3,250 W |
| 510.8 J/TH | Efficiency | 25.0 J/TH |
| — | Noise Level | 75 dB |
| — | Weight | 12.6 kg |
| 2,013 BTU/hr | BTU Output | 11,089 BTU/hr |
| 30/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S5
Avalon A1366
Based on BTC price of $79,066 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Avalon A1366, which leads on 4 of 5 weighted factors (efficiency, hashrate, home mining score, noise level). The standout gap is 11155% more hashrate (1.2 vs 130.0 TH/s) in the Avalon A1366's favour. That said, the Bitmain Antminer S5 isn't beaten everywhere — it still wins power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Bitmain Antminer S5 and Avalon A1366 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Avalon A1366 11155% more hashrate (1.2 vs 130.0 TH/s)
- Bitmain Antminer S5 82% better power draw (590 vs 3,250 W)
- Avalon A1366 95% better efficiency (510.8 vs 25.0 J/TH)
- Avalon A1366 451% more heat output (2,013 vs 11,089 BTU/hr)
- Avalon A1366 20% more home mining score (30.0 vs 36.0)
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.
| Bitmain Antminer S5 | Metric | Avalon A1366 |
|---|---|---|
| — | Upfront cost (MSRP) | $3,500 |
| -$1.37 | Daily net profit | -$3.07 |
| -$502 | Net after 1 year | -$4,621 |
| -$1,003 | Net after 2 years | -$5,741 |
| -$1,505 | Net after 3 years | -$6,862 |
| — | 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Avalon A1366Score: 36/100. 75 dB noise level.
Best for Efficiency
Avalon A136625.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S5 or Avalon A1366 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S5 is more profitable at $-1.37/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 Bitmain Antminer S5 or the Avalon A1366 better for noise-sensitive spaces?
The Avalon A1366 is quieter at 75 dB compared to the Bitmain Antminer S5 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S5 or Avalon A1366?
The Avalon A1366 scores 36/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer S5). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S5 vs Avalon A1366: how much does the efficiency gap matter?
The Bitmain Antminer S5 runs at 510.8 J/TH while the Avalon A1366 runs at 25.0 J/TH — a difference of 485.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 95% better efficiency (510.8 vs 25.0 J/TH).