Bitmain Antminer S9 SE (16Th) vs Canaan AvalonMiner 821
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 SE (16Th) | Specification | Canaan AvalonMiner 821 |
|---|---|---|
| 16.0 TH/s | Taux de hachage | 11.5 TH/s |
| 1,280 W | Consommation électrique | 1,200 W |
| 80.0 J/TH | Efficiency | 104.4 J/TH |
| — | Niveau de bruit | — |
| 4,560.0 kg | Weight | 4,700.0 kg |
| 4,367 BTU/hr | BTU Output | 4,094 BTU/hr |
| 31/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S9 SE (16Th)
Canaan AvalonMiner 821
Based on BTC price of $78,071 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S9 SE (16Th) comes out ahead — it takes 2 of 3 (efficacité, hashrate). Its biggest concrete edge: 39% more hashrate (16.0 vs 11.5 TH/s). The Canaan AvalonMiner 821 claws back ground on consommation électrique. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Bitmain Antminer S9 SE (16Th) and Canaan AvalonMiner 821 actually differ, with the gap quantified:
- Bitmain Antminer S9 SE (16Th) 39% more hashrate (16.0 vs 11.5 TH/s)
- Canaan AvalonMiner 821 6% better power draw (1,280 vs 1,200 W)
- Bitmain Antminer S9 SE (16Th) 23% better efficacité (80.0 vs 104.4 J/TH)
- Bitmain Antminer S9 SE (16Th) 3% better weight (4,560 vs 4,700 kg)
- Bitmain Antminer S9 SE (16Th) 7% more heat output (4,367 vs 4,094 BTU/hr)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer S9 SE (16Th) | Metric | Canaan AvalonMiner 821 |
|---|---|---|
| — | Upfront cost (MSRP) | $699 |
| -$2.50 | Daily net profit | -$2.47 |
| -$911 | Net after 1 year | -$1,599 |
| -$1,823 | Net after 2 years | -$2,500 |
| -$2,734 | Net after 3 years | -$3,400 |
| — | 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 S9 SE (16Th)80.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9 SE (16Th) or Canaan AvalonMiner 821 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan AvalonMiner 821 is more profitable at $-2.47/day compared to $-2.50/day for the Bitmain Antminer S9 SE (16Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S9 SE (16Th) or the Canaan AvalonMiner 821 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 S9 SE (16Th) or the Canaan AvalonMiner 821?
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 S9 SE (16Th) and Canaan AvalonMiner 821?
The Bitmain Antminer S9 SE (16Th) runs at 80.0 J/TH while the Canaan AvalonMiner 821 runs at 104.4 J/TH — a difference of 24.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 23% better efficacité (80.0 vs 104.4 J/TH).