Antminer S19 Hydro vs Bitmain Antminer S21+ Hyd (358Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19 Hydro | Specification | Bitmain Antminer S21+ Hyd (358Th) |
|---|---|---|
| 158.0 TH/s | Hashrate | 358.0 TH/s |
| 5,451 W | Power Consumption | 5,370 W |
| 34.5 J/TH | Efficiency | 15.0 J/TH |
| 50 dB | Noise Level | 50 dB |
| 15.2 kg | Weight | 12.8 kg |
| 18,599 BTU/hr | BTU Output | 18,322 BTU/hr |
| 44/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S19 Hydro
Bitmain Antminer S21+ Hyd (358Th)
Based on BTC price of $70,303 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S21+ Hyd (358Th) wins on 4 of 4 factors (efficiency, hashrate, power consumption, price-performance). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer S21+ Hyd (358Th)15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S19 Hydro or Bitmain Antminer S21+ Hyd (358Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd (358Th) is more profitable at $-1.98/day compared to $-8.27/day for the Antminer S19 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S19 Hydro or Bitmain Antminer S21+ Hyd (358Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer S19 Hydro or Bitmain Antminer S21+ Hyd (358Th)?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Antminer S19 Hydro and Bitmain Antminer S21+ Hyd (358Th)?
The Antminer S19 Hydro runs at 34.5 J/TH while the Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH — a difference of 19.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.