Antminer S21 XP vs Canaan Avalon A16
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 XP | Specification | Canaan Avalon A16 |
|---|---|---|
| 270.0 TH/s | Taux de hachage | 282.0 TH/s |
| 3,645 W | Consommation électrique | 3,900 W |
| 13.5 J/TH | Efficiency | 13.8 J/TH |
| 75 dB | Niveau de bruit | 75 dB |
| 15.4 kg | Weight | 14.9 kg |
| 12,437 BTU/hr | BTU Output | 13,307 BTU/hr |
| 30/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Antminer S21 XP
Canaan Avalon A16
Based on BTC price of $78,128 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer S21 XP comes out ahead — it takes 2 of 4 (efficacité, consommation électrique). Where it pulls away hardest is 7% better power draw (3,645 vs 3,900 W). The Canaan Avalon A16 holds the edge in hashrate and rapport qualité-prix. 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 XP and Canaan Avalon A16 actually differ, with the gap quantified:
- Canaan Avalon A16 4% more hashrate (270 vs 282 TH/s)
- Antminer S21 XP 7% better power draw (3,645 vs 3,900 W)
- Antminer S21 XP 2% better efficacité (13.5 vs 13.8 J/TH)
- Canaan Avalon A16 3% better weight (15.4 vs 14.9 kg)
- Canaan Avalon A16 7% more heat output (12,437 vs 13,307 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.
| Antminer S21 XP | Metric | Canaan Avalon A16 |
|---|---|---|
| $8,200 | Upfront cost (MSRP) | $4,202 |
| $0.96 | Daily net profit | $0.78 |
| -$7,850 | Net after 1 year | -$3,918 |
| -$7,500 | Net after 2 years | -$3,633 |
| -$7,149 | Net after 3 years | -$3,349 |
| Takes ~23.4 years to pay back at current rates | Payback period | Takes ~14.8 years to pay back at current rates |
At the default rate, the Canaan Avalon A16 reaches break-even first — but plug in your own electricity cost above, since payback shifts sharply with it.
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
Antminer S21 XP$0.18/day higher profit at current rates.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Antminer S21 XP13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer S21 XP vs Canaan Avalon A16: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 XP is more profitable at $0.96/day compared to $0.78/day for the Canaan Avalon A16. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S21 XP vs Canaan Avalon A16: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Antminer S21 XP vs Canaan Avalon A16: which fits a residential setup better?
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 Antminer S21 XP and Canaan Avalon A16?
The Antminer S21 XP runs at 13.5 J/TH while the Canaan Avalon A16 runs at 13.8 J/TH — a difference of 0.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 2% better efficacité (13.5 vs 13.8 J/TH).