Antminer S21 XP vs Whatsminer M66S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 XP | Specification | Whatsminer M66S |
|---|---|---|
| 270.0 TH/s | Taux de hachage | 298.0 TH/s |
| 3,645 W | Consommation électrique | 5,518 W |
| 13.5 J/TH | Efficiency | 18.5 J/TH |
| 75 dB | Niveau de bruit | 50 dB |
| 15.4 kg | Weight | 13.5 kg |
| 12,437 BTU/hr | BTU Output | 18,827 BTU/hr |
| 30/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S21 XP
Whatsminer M66S
Based on BTC price of $77,437 and current network difficulty as of Apr 24, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Whatsminer M66S l'emporte sur 4 des 6 facteurs (hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Le Antminer S21 XP a l'avantage en efficacité and consommation électrique. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
Best For...
Best for Profitability
Antminer S21 XP$3.49/day higher profit at current rates.
Best for Home Mining
Whatsminer M66SScore: 44/100. 50 dB noise level.
Best for Efficiency
Antminer S21 XP13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 XP or Whatsminer M66S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 XP is more profitable at $0.95/day compared to $-2.54/day for the Whatsminer M66S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21 XP or Whatsminer M66S?
The Whatsminer M66S is quieter at 50 dB compared to the Antminer S21 XP at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S21 XP or Whatsminer M66S?
The Whatsminer M66S scores 44/100 on our Home Mining Score (vs 30/100 for the Antminer S21 XP). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Antminer S21 XP and Whatsminer M66S?
The Antminer S21 XP runs at 13.5 J/TH while the Whatsminer M66S runs at 18.5 J/TH — a difference of 5.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.