Bitmain Antminer S21 XP Hyd vs Canaan Avalon A15Pro-218T
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 XP Hyd | Specification | Canaan Avalon A15Pro-218T |
|---|---|---|
| 473.0 TH/s | Taux de hachage | 218.0 TH/s |
| 5,676 W | Consommation électrique | 3,662 W |
| 12.0 J/TH | Efficiency | 16.8 J/TH |
| 50 dB | Niveau de bruit | 75 dB |
| 12.3 kg | Weight | 14.9 kg |
| 19,367 BTU/hr | BTU Output | 12,495 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S21 XP Hyd
Canaan Avalon A15Pro-218T
Based on BTC price of $78,179 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S21 XP Hyd, which leads on 5 of 6 weighted factors (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Where it pulls away hardest is 117% more hashrate (473 vs 218 TH/s). The Canaan Avalon A15Pro-218T holds the edge in consommation électrique. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer S21 XP Hyd and Canaan Avalon A15Pro-218T diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S21 XP Hyd 117% more hashrate (473 vs 218 TH/s)
- Canaan Avalon A15Pro-218T 35% better power draw (5,676 vs 3,662 W)
- Bitmain Antminer S21 XP Hyd 29% better efficacité (12.0 vs 16.8 J/TH)
- Bitmain Antminer S21 XP Hyd 33% better noise (50.0 vs 75.0 dB)
- Bitmain Antminer S21 XP Hyd 17% better weight (12.3 vs 14.9 kg)
- Bitmain Antminer S21 XP Hyd 55% more heat output (19,367 vs 12,495 BTU/hr)
- Bitmain Antminer S21 XP Hyd 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.
| Bitmain Antminer S21 XP Hyd | Metric | Canaan Avalon A15Pro-218T |
|---|---|---|
| $5,099 | Upfront cost (MSRP) | $2,525 |
| $3.39 | Daily net profit | -$0.95 |
| -$3,860 | Net after 1 year | -$2,870 |
| -$2,621 | Net after 2 years | -$3,215 |
| -$1,382 | Net after 3 years | -$3,561 |
| Takes ~4.1 years to pay back at current rates | 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
Bitmain Antminer S21 XP Hyd$4.34/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21 XP HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 XP Hyd12.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S21 XP Hyd or the Canaan Avalon A15Pro-218T?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Hyd is more profitable at $3.39/day compared to $-0.95/day for the Canaan Avalon A15Pro-218T. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21 XP Hyd or Canaan Avalon A15Pro-218T?
The Bitmain Antminer S21 XP Hyd is quieter at 50 dB compared to the Canaan Avalon A15Pro-218T at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S21 XP Hyd vs Canaan Avalon A15Pro-218T: which fits a residential setup better?
The Bitmain Antminer S21 XP Hyd scores 44/100 on our Home Mining Score (vs 30/100 for the Canaan Avalon A15Pro-218T). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S21 XP Hyd vs Canaan Avalon A15Pro-218T: how much does the efficiency gap matter?
The Bitmain Antminer S21 XP Hyd runs at 12.0 J/TH while the Canaan Avalon A15Pro-218T runs at 16.8 J/TH — a difference of 4.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 29% better efficacité (12.0 vs 16.8 J/TH).