Bitmain Antminer S9 (12.5Th) vs Canaan AvalonMiner 841
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (12.5Th) | Specification | Canaan AvalonMiner 841 |
|---|---|---|
| 12.5 TH/s | Taux de hachage | 13.6 TH/s |
| 1,225 W | Consommation électrique | 1,290 W |
| 98.0 J/TH | Efficiency | 94.9 J/TH |
| — | Niveau de bruit | — |
| 4,200.0 kg | Weight | 4,700.0 kg |
| 4,180 BTU/hr | BTU Output | 4,402 BTU/hr |
| 31/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S9 (12.5Th)
Canaan AvalonMiner 841
Based on BTC price of $78,071 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Canaan AvalonMiner 841 edges it: 2 of 3 factors go its way (efficacité, hashrate). Where it pulls away hardest is 9% more hashrate (12.5 vs 13.6 TH/s). The Bitmain Antminer S9 (12.5Th) 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
Stripped to the numbers, this is how far apart the Bitmain Antminer S9 (12.5Th) and Canaan AvalonMiner 841 sit on each measurable spec:
- Canaan AvalonMiner 841 9% more hashrate (12.5 vs 13.6 TH/s)
- Bitmain Antminer S9 (12.5Th) 5% better power draw (1,225 vs 1,290 W)
- Canaan AvalonMiner 841 3% better efficacité (98.0 vs 94.9 J/TH)
- Bitmain Antminer S9 (12.5Th) 11% better weight (4,200 vs 4,700 kg)
- Canaan AvalonMiner 841 5% more heat output (4,180 vs 4,402 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 S9 (12.5Th) | Metric | Canaan AvalonMiner 841 |
|---|---|---|
| $65 | Upfront cost (MSRP) | — |
| -$2.49 | Daily net profit | -$2.61 |
| -$974 | Net after 1 year | -$952 |
| -$1,883 | Net after 2 years | -$1,903 |
| -$2,793 | Net after 3 years | -$2,855 |
| 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Canaan AvalonMiner 84194.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9 (12.5Th) or Canaan AvalonMiner 841 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9 (12.5Th) is more profitable at $-2.49/day compared to $-2.61/day for the Canaan AvalonMiner 841. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9 (12.5Th) or Canaan AvalonMiner 841?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S9 (12.5Th) or Canaan AvalonMiner 841?
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 (12.5Th) and Canaan AvalonMiner 841?
The Bitmain Antminer S9 (12.5Th) runs at 98.0 J/TH while the Canaan AvalonMiner 841 runs at 94.9 J/TH — a difference of 3.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 3% better efficacité (98.0 vs 94.9 J/TH).