Antminer S19 Hydro vs Bitmain Antminer S21e Hyd (288Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19 Hydro | Specification | Bitmain Antminer S21e Hyd (288Th) |
|---|---|---|
| 158.0 TH/s | Hashrate | 288.0 TH/s |
| 5,451 W | Power Consumption | 4,896 W |
| 34.5 J/TH | Efficiency | 17.0 J/TH |
| 50 dB | Noise Level | 50 dB |
| 15.2 kg | Weight | 13.8 kg |
| 18,599 BTU/hr | BTU Output | 16,705 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 S21e Hyd (288Th)
Based on BTC price of $79,143 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S21e Hyd (288Th) wins on 4 of 4 factors (efficiency, hashrate, power consumption, price-performance). Where it pulls away hardest is 51% better efficiency (34.5 vs 17.0 J/TH). Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer S19 Hydro and Bitmain Antminer S21e Hyd (288Th) sit on each measurable spec:
- Bitmain Antminer S21e Hyd (288Th) 82% more hashrate (158 vs 288 TH/s)
- Bitmain Antminer S21e Hyd (288Th) 10% better power draw (5,451 vs 4,896 W)
- Bitmain Antminer S21e Hyd (288Th) 51% better efficiency (34.5 vs 17.0 J/TH)
- Bitmain Antminer S21e Hyd (288Th) 9% better weight (15.2 vs 13.8 kg)
- Antminer S19 Hydro 11% more heat output (18,599 vs 16,705 BTU/hr)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Antminer S19 Hydro | Metric | Bitmain Antminer S21e Hyd (288Th) |
|---|---|---|
| $5,000 | Upfront cost (MSRP) | $1,498 |
| -$7.33 | Daily net profit | -$1.26 |
| -$7,675 | Net after 1 year | -$1,958 |
| -$10,349 | Net after 2 years | -$2,419 |
| -$13,024 | Net after 3 years | -$2,879 |
| 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer S21e Hyd (288Th)17.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S19 Hydro or Bitmain Antminer S21e Hyd (288Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21e Hyd (288Th) is more profitable at $-1.26/day compared to $-7.33/day for the Antminer S19 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S19 Hydro or the Bitmain Antminer S21e Hyd (288Th) better for noise-sensitive spaces?
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 S21e Hyd (288Th)?
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 S21e Hyd (288Th)?
The Antminer S19 Hydro runs at 34.5 J/TH while the Bitmain Antminer S21e Hyd (288Th) runs at 17.0 J/TH — a difference of 17.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 51% better efficiency (34.5 vs 17.0 J/TH).