Antminer S21 Hydro vs Canaan Avalon A16XP
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 Hydro | Specification | Canaan Avalon A16XP |
|---|---|---|
| 335.0 TH/s | Taux de hachage | 300.0 TH/s |
| 5,360 W | Consommation électrique | 3,850 W |
| 16.0 J/TH | Efficiency | 12.8 J/TH |
| 50 dB | Niveau de bruit | 75 dB |
| 15.8 kg | Weight | 14.9 kg |
| 18,288 BTU/hr | BTU Output | 13,136 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Antminer S21 Hydro
Canaan Avalon A16XP
Based on BTC price of $78,143 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Canaan Avalon A16XP comes out ahead — it takes 3 of 6 (efficacité, consommation électrique, rapport qualité-prix). Its biggest concrete edge: 28% better power draw (5,360 vs 3,850 W). The Antminer S21 Hydro holds the edge in hashrate and score de minage domestique and niveau sonore. 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 Antminer S21 Hydro and Canaan Avalon A16XP actually differ, with the gap quantified:
- Antminer S21 Hydro 12% more hashrate (335 vs 300 TH/s)
- Canaan Avalon A16XP 28% better power draw (5,360 vs 3,850 W)
- Canaan Avalon A16XP 20% better efficacité (16.0 vs 12.8 J/TH)
- Antminer S21 Hydro 33% better noise (50.0 vs 75.0 dB)
- Canaan Avalon A16XP 6% better weight (15.8 vs 14.9 kg)
- Antminer S21 Hydro 39% more heat output (18,288 vs 13,136 BTU/hr)
- Antminer S21 Hydro 47% more score de minage domestique (44.0 vs 30.0)
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.
| Antminer S21 Hydro | Metric | Canaan Avalon A16XP |
|---|---|---|
| $9,500 | Upfront cost (MSRP) | $4,280 |
| -$0.82 | Daily net profit | $1.55 |
| -$9,798 | Net after 1 year | -$3,715 |
| -$10,097 | Net after 2 years | -$3,150 |
| -$10,395 | Net after 3 years | -$2,585 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~7.6 years to pay back at current rates |
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
Canaan Avalon A16XP$2.37/day higher profit at current rates.
Best for Home Mining
Antminer S21 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Canaan Avalon A16XP12.8 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 Hydro or Canaan Avalon A16XP more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan Avalon A16XP is more profitable at $1.55/day compared to $-0.82/day for the Antminer S21 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S21 Hydro or the Canaan Avalon A16XP better for noise-sensitive spaces?
The Antminer S21 Hydro is quieter at 50 dB compared to the Canaan Avalon A16XP at 75 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer S21 Hydro or the Canaan Avalon A16XP?
The Antminer S21 Hydro scores 44/100 on our Home Mining Score (vs 30/100 for the Canaan Avalon A16XP). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer S21 Hydro vs Canaan Avalon A16XP: how much does the efficiency gap matter?
The Antminer S21 Hydro runs at 16.0 J/TH while the Canaan Avalon A16XP runs at 12.8 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 20% better efficacité (16.0 vs 12.8 J/TH).