Bitmain Antminer R4 vs MicroBT Whatsminer M66
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer R4 | Specification | MicroBT Whatsminer M66 |
|---|---|---|
| 8.7 TH/s | Taux de hachage | 238.0 TH/s |
| 845 W | Consommation électrique | 4,736 W |
| 97.1 J/TH | Efficiency | 19.9 J/TH |
| — | Niveau de bruit | — |
| 2,500.0 kg | Weight | 16.0 kg |
| 2,883 BTU/hr | BTU Output | 16,159 BTU/hr |
| 28/100 | Home Mining Score | 16/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer R4
MicroBT Whatsminer M66
Based on BTC price of $74,170 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le MicroBT Whatsminer M66 l'emporte sur 2 des 4 facteurs (efficacité, hashrate). Le Bitmain Antminer R4 a l'avantage en consommation électrique and score de minage domestique. 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
Bitmain Antminer R4Score: 28/100. 0 dB noise level.
Best for Efficiency
MicroBT Whatsminer M6619.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer R4 or MicroBT Whatsminer M66 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer R4 is more profitable at $-1.75/day compared to $-3.72/day for the MicroBT Whatsminer M66. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer R4 or MicroBT Whatsminer M66?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer R4 or MicroBT Whatsminer M66?
The Bitmain Antminer R4 scores 28/100 on our Home Mining Score (vs 16/100 for the MicroBT Whatsminer M66). 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 R4 and MicroBT Whatsminer M66?
The Bitmain Antminer R4 runs at 97.1 J/TH while the MicroBT Whatsminer M66 runs at 19.9 J/TH — a difference of 77.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.