Bitmain Antminer S19 Pro Hyd (177Th)
Bitmain Antminer S19 Pro Hyd (177Th) vs Whatsminer M66S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 Pro Hyd (177Th) | Specification | Whatsminer M66S |
|---|---|---|
| 177.0 TH/s | Taux de hachage | 298.0 TH/s |
| 5,221 W | Consommation électrique | 5,518 W |
| 29.5 J/TH | Efficiency | 18.5 J/TH |
| — | Niveau de bruit | 50 dB |
| 1,520.0 kg | Weight | 13.5 kg |
| 17,814 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 S19 Pro Hyd (177Th)
Whatsminer M66S
Based on BTC price of $78,175 and current network difficulty as of May 16, 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). The standout gap is 68% more hashrate (177 vs 298 TH/s) in the Whatsminer M66S's favour. That said, the Bitmain Antminer S19 Pro Hyd (177Th) isn't beaten everywhere — it still wins consommation électrique and rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer S19 Pro Hyd (177Th) and Whatsminer M66S diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Whatsminer M66S 68% more hashrate (177 vs 298 TH/s)
- Bitmain Antminer S19 Pro Hyd (177Th) 5% better power draw (5,221 vs 5,518 W)
- Whatsminer M66S 37% better efficacité (29.5 vs 18.5 J/TH)
- Whatsminer M66S 99% better weight (1,520.0 vs 13.5 kg)
- Whatsminer M66S 6% more heat output (17,814 vs 18,827 BTU/hr)
- Whatsminer M66S 175% more score de minage domestique (16.0 vs 44.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitmain Antminer S19 Pro Hyd (177Th) | Metric | Whatsminer M66S |
|---|---|---|
| $986 | Upfront cost (MSRP) | $8,000 |
| -$6.16 | Daily net profit | -$2.52 |
| -$3,235 | Net after 1 year | -$8,921 |
| -$5,485 | Net after 2 years | -$9,842 |
| -$7,734 | Net after 3 years | -$10,762 |
| Does not pay back at current rates (negative daily profit) | 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
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
Which makes more money, the Bitmain Antminer S19 Pro Hyd (177Th) or the Whatsminer M66S?
At the current BTC price and a $0.10/kWh electricity rate, the Whatsminer M66S is more profitable at $-2.52/day compared to $-6.16/day for the Bitmain Antminer S19 Pro Hyd (177Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S19 Pro Hyd (177Th) vs Whatsminer M66S: which runs at a lower noise level?
The Whatsminer M66S is quieter at 50 dB compared to the Bitmain Antminer S19 Pro Hyd (177Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S19 Pro Hyd (177Th) or the Whatsminer M66S?
The Whatsminer M66S scores 44/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S19 Pro Hyd (177Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S19 Pro Hyd (177Th) and Whatsminer M66S on J/TH?
The Bitmain Antminer S19 Pro Hyd (177Th) runs at 29.5 J/TH while the Whatsminer M66S runs at 18.5 J/TH — a difference of 11.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 37% better efficacité (29.5 vs 18.5 J/TH).
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