Bitmain Antminer S21 Hyd (335Th) vs Whatsminer M66S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Hyd (335Th) | Specification | Whatsminer M66S |
|---|---|---|
| 335.0 TH/s | Taux de hachage | 298.0 TH/s |
| 5,360 W | Consommation électrique | 5,518 W |
| 16.0 J/TH | Efficiency | 18.5 J/TH |
| — | Niveau de bruit | 50 dB |
| 14.2 kg | Weight | 13.5 kg |
| 18,288 BTU/hr | BTU Output | 18,827 BTU/hr |
| 16/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S21 Hyd (335Th)
Whatsminer M66S
Based on BTC price of $66,180 and current network difficulty as of Mar 28, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21 Hyd (335Th) l'emporte sur 4 des 6 facteurs (efficacité, hashrate, consommation électrique, rapport qualité-prix). Le Whatsminer M66S a l'avantage en score de minage domestique and niveau sonore. 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Whatsminer M66SScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Hyd (335Th)16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 Hyd (335Th) or Whatsminer M66S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Hyd (335Th) is more profitable at $-2.45/day compared to $-3.98/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 Bitmain Antminer S21 Hyd (335Th) or Whatsminer M66S?
The Whatsminer M66S is quieter at 50 dB compared to the Bitmain Antminer S21 Hyd (335Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S21 Hyd (335Th) or Whatsminer M66S?
The Whatsminer M66S scores 44/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 Hyd (335Th)). 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 Bitmain Antminer S21 Hyd (335Th) and Whatsminer M66S?
The Bitmain Antminer S21 Hyd (335Th) runs at 16.0 J/TH while the Whatsminer M66S runs at 18.5 J/TH — a difference of 2.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.