Antminer S21 Hydro vs Canaan Avalon A15Pro-215T
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 Hydro | Specification | Canaan Avalon A15Pro-215T |
|---|---|---|
| 335.0 TH/s | Taux de hachage | 215.0 TH/s |
| 5,360 W | Consommation électrique | 3,612 W |
| 16.0 J/TH | Efficiency | 16.8 J/TH |
| 50 dB | Niveau de bruit | 75 dB |
| 15.8 kg | Weight | 14.9 kg |
| 18,288 BTU/hr | BTU Output | 12,324 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 A15Pro-215T
Based on BTC price of $78,143 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S21 Hydro l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 56% more hashrate (335 vs 215 TH/s). The Canaan Avalon A15Pro-215T holds the edge in consommation électrique. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer S21 Hydro and Canaan Avalon A15Pro-215T actually differ, with the gap quantified:
- Antminer S21 Hydro 56% more hashrate (335 vs 215 TH/s)
- Canaan Avalon A15Pro-215T 33% better power draw (5,360 vs 3,612 W)
- Antminer S21 Hydro 5% better efficacité (16.0 vs 16.8 J/TH)
- Antminer S21 Hydro 33% better noise (50.0 vs 75.0 dB)
- Canaan Avalon A15Pro-215T 6% better weight (15.8 vs 14.9 kg)
- Antminer S21 Hydro 48% more heat output (18,288 vs 12,324 BTU/hr)
- Antminer S21 Hydro 47% more score de minage domestique (44.0 vs 30.0)
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.
| Antminer S21 Hydro | Metric | Canaan Avalon A15Pro-215T |
|---|---|---|
| $9,500 | Upfront cost (MSRP) | — |
| -$0.82 | Daily net profit | -$0.94 |
| -$9,798 | Net after 1 year | -$342 |
| -$10,097 | Net after 2 years | -$684 |
| -$10,395 | Net after 3 years | -$1,026 |
| 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
Antminer S21 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Antminer S21 Hydro16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S21 Hydro or the Canaan Avalon A15Pro-215T?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Hydro is more profitable at $-0.82/day compared to $-0.94/day for the Canaan Avalon A15Pro-215T. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21 Hydro or Canaan Avalon A15Pro-215T?
The Antminer S21 Hydro is quieter at 50 dB compared to the Canaan Avalon A15Pro-215T at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S21 Hydro or Canaan Avalon A15Pro-215T?
The Antminer S21 Hydro scores 44/100 on our Home Mining Score (vs 30/100 for the Canaan Avalon A15Pro-215T). 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 A15Pro-215T: how much does the efficiency gap matter?
The Antminer S21 Hydro runs at 16.0 J/TH while the Canaan Avalon A15Pro-215T runs at 16.8 J/TH — a difference of 0.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 5% better efficacité (16.0 vs 16.8 J/TH).