Antminer S19 Pro+ Hyd vs Bitmain Antminer S21+ Hyd
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19 Pro+ Hyd | Specification | Bitmain Antminer S21+ Hyd |
|---|---|---|
| 198.0 TH/s | Taux de hachage | 319.0 TH/s |
| 5,445 W | Consommation électrique | 4,785 W |
| 27.5 J/TH | Efficiency | 15.0 J/TH |
| 50 dB | Niveau de bruit | 50 dB |
| 15.0 kg | Weight | 17.5 kg |
| 18,578 BTU/hr | BTU Output | 16,326 BTU/hr |
| 44/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S19 Pro+ Hyd
Bitmain Antminer S21+ Hyd
Based on BTC price of $78,128 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S21+ Hyd comes out ahead — it takes 4 of 4 (efficacité, hashrate, consommation électrique, rapport qualité-prix). Its biggest concrete edge: 45% better efficacité (27.5 vs 15.0 J/TH). The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Antminer S19 Pro+ Hyd and Bitmain Antminer S21+ Hyd diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S21+ Hyd 61% more hashrate (198 vs 319 TH/s)
- Bitmain Antminer S21+ Hyd 12% better power draw (5,445 vs 4,785 W)
- Bitmain Antminer S21+ Hyd 45% better efficacité (27.5 vs 15.0 J/TH)
- Antminer S19 Pro+ Hyd 14% better weight (15.0 vs 17.5 kg)
- Antminer S19 Pro+ Hyd 14% more heat output (18,578 vs 16,326 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 Pro+ Hyd | Metric | Bitmain Antminer S21+ Hyd |
|---|---|---|
| $6,000 | Upfront cost (MSRP) | $2,499 |
| -$5.95 | Daily net profit | -$0.01 |
| -$8,171 | Net after 1 year | -$2,504 |
| -$10,343 | Net after 2 years | -$2,510 |
| -$12,514 | Net after 3 years | -$2,515 |
| 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 S21+ Hyd15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S19 Pro+ Hyd or Bitmain Antminer S21+ Hyd more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd is more profitable at $-0.01/day compared to $-5.95/day for the Antminer S19 Pro+ Hyd. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S19 Pro+ Hyd or the Bitmain Antminer S21+ Hyd better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Antminer S19 Pro+ Hyd or the Bitmain Antminer S21+ Hyd?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the Antminer S19 Pro+ Hyd and Bitmain Antminer S21+ Hyd on J/TH?
The Antminer S19 Pro+ Hyd runs at 27.5 J/TH while the Bitmain Antminer S21+ Hyd runs at 15.0 J/TH — a difference of 12.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 45% better efficacité (27.5 vs 15.0 J/TH).