Bitmain Antminer S19j (90Th) vs Whatsminer M66S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19j (90Th) | Specification | Whatsminer M66S |
|---|---|---|
| 90.0 TH/s | Taux de hachage | 298.0 TH/s |
| 3,250 W | Consommation électrique | 5,518 W |
| 36.1 J/TH | Efficiency | 18.5 J/TH |
| — | Niveau de bruit | 50 dB |
| 14,200.0 kg | Weight | 13.5 kg |
| 11,089 BTU/hr | BTU Output | 18,827 BTU/hr |
| 22/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S19j (90Th)
Whatsminer M66S
Based on BTC price of $73,679 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Whatsminer M66S l'emporte sur 4 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le Bitmain Antminer S19j (90Th) a l'avantage en consommation électrique and rapport qualité-prix. 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
Whatsminer M66S18.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S19j (90Th) or Whatsminer M66S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Whatsminer M66S is more profitable at $-3.73/day compared to $-4.93/day for the Bitmain Antminer S19j (90Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S19j (90Th) or Whatsminer M66S?
The Whatsminer M66S is quieter at 50 dB compared to the Bitmain Antminer S19j (90Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S19j (90Th) or Whatsminer M66S?
The Whatsminer M66S scores 44/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19j (90Th)). 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 S19j (90Th) and Whatsminer M66S?
The Bitmain Antminer S19j (90Th) runs at 36.1 J/TH while the Whatsminer M66S runs at 18.5 J/TH — a difference of 17.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.