Bitmain Antminer S17 (56Th) vs Canaan AvalonMiner 821
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S17 (56Th) | Specification | Canaan AvalonMiner 821 |
|---|---|---|
| 56.0 TH/s | Taux de hachage | 11.5 TH/s |
| 2,520 W | Consommation électrique | 1,200 W |
| 45.0 J/TH | Efficiency | 104.4 J/TH |
| — | Niveau de bruit | — |
| 9,500.0 kg | Weight | 4,700.0 kg |
| 8,598 BTU/hr | BTU Output | 4,094 BTU/hr |
| 22/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S17 (56Th)
Canaan AvalonMiner 821
Based on BTC price of $78,208 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S17 (56Th) l'emporte sur 3 des 5 facteurs (efficacité, hashrate, rapport qualité-prix). Where it pulls away hardest is 387% more hashrate (56.0 vs 11.5 TH/s). The Canaan AvalonMiner 821 holds the edge in consommation électrique and score de minage domestique. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S17 (56Th) and Canaan AvalonMiner 821 actually differ, with the gap quantified:
- Bitmain Antminer S17 (56Th) 387% more hashrate (56.0 vs 11.5 TH/s)
- Canaan AvalonMiner 821 52% better power draw (2,520 vs 1,200 W)
- Bitmain Antminer S17 (56Th) 57% better efficacité (45.0 vs 104.4 J/TH)
- Canaan AvalonMiner 821 51% better weight (9,500 vs 4,700 kg)
- Bitmain Antminer S17 (56Th) 110% more heat output (8,598 vs 4,094 BTU/hr)
- Canaan AvalonMiner 821 41% more score de minage domestique (22.0 vs 31.0)
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 S17 (56Th) | Metric | Canaan AvalonMiner 821 |
|---|---|---|
| $413 | Upfront cost (MSRP) | $699 |
| -$4.03 | Daily net profit | -$2.47 |
| -$1,885 | Net after 1 year | -$1,599 |
| -$3,357 | Net after 2 years | -$2,499 |
| -$4,829 | Net after 3 years | -$3,399 |
| 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
Canaan AvalonMiner 821Score: 31/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S17 (56Th)45.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S17 (56Th) 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 $-4.03/day for the Bitmain Antminer S17 (56Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S17 (56Th) or Canaan AvalonMiner 821?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S17 (56Th) or Canaan AvalonMiner 821?
The Canaan AvalonMiner 821 scores 31/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S17 (56Th)). 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 S17 (56Th) and Canaan AvalonMiner 821 on J/TH?
The Bitmain Antminer S17 (56Th) runs at 45.0 J/TH while the Canaan AvalonMiner 821 runs at 104.4 J/TH — a difference of 59.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 57% better efficacité (45.0 vs 104.4 J/TH).