Bitmain Antminer S19 XP (140Th) vs Canaan AvalonMiner 1066
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 XP (140Th) | Specification | Canaan AvalonMiner 1066 |
|---|---|---|
| 140.0 TH/s | Hashrate | 50.0 TH/s |
| 3,010 W | Power Consumption | 3,250 W |
| 21.5 J/TH | Efficiency | 65.0 J/TH |
| — | Noise Level | — |
| 14,500.0 kg | Weight | 11,400.0 kg |
| 10,270 BTU/hr | BTU Output | 11,089 BTU/hr |
| 22/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S19 XP (140Th)
Canaan AvalonMiner 1066
Based on BTC price of $79,088 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S19 XP (140Th), which leads on 4 of 4 weighted factors (efficiency, hashrate, power consumption, price-performance). The standout gap is 67% better efficiency (21.5 vs 65.0 J/TH) in the Bitmain Antminer S19 XP (140Th)'s favour. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer S19 XP (140Th) and Canaan AvalonMiner 1066 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19 XP (140Th) 180% more hashrate (140.0 vs 50.0 TH/s)
- Bitmain Antminer S19 XP (140Th) 7% better power draw (3,010 vs 3,250 W)
- Bitmain Antminer S19 XP (140Th) 67% better efficiency (21.5 vs 65.0 J/TH)
- Canaan AvalonMiner 1066 21% better weight (14,500 vs 11,400 kg)
- Canaan AvalonMiner 1066 8% more heat output (10,270 vs 11,089 BTU/hr)
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 S19 XP (140Th) | Metric | Canaan AvalonMiner 1066 |
|---|---|---|
| $522 | Upfront cost (MSRP) | $1,255 |
| -$2.13 | Daily net profit | -$5.98 |
| -$1,299 | Net after 1 year | -$3,438 |
| -$2,076 | Net after 2 years | -$5,621 |
| -$2,853 | Net after 3 years | -$7,803 |
| Does not pay back at current rates (negative daily profit) | 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer S19 XP (140Th)21.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S19 XP (140Th) or Canaan AvalonMiner 1066 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S19 XP (140Th) is more profitable at $-2.13/day compared to $-5.98/day for the Canaan AvalonMiner 1066. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S19 XP (140Th) or the Canaan AvalonMiner 1066 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 Bitmain Antminer S19 XP (140Th) or the Canaan AvalonMiner 1066?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Bitmain Antminer S19 XP (140Th) and Canaan AvalonMiner 1066?
The Bitmain Antminer S19 XP (140Th) runs at 21.5 J/TH while the Canaan AvalonMiner 1066 runs at 65.0 J/TH — a difference of 43.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 67% better efficiency (21.5 vs 65.0 J/TH).