Bitmain Antminer S19 Pro+ Hyd. (191Th)
Bitmain Antminer S19 Pro+ Hyd. (191Th) vs Antminer S21 XP
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 Pro+ Hyd. (191Th) | Specification | Antminer S21 XP |
|---|---|---|
| 191.0 TH/s | Taux de hachage | 270.0 TH/s |
| 5,253 W | Consommation électrique | 3,645 W |
| 27.5 J/TH | Efficiency | 13.5 J/TH |
| — | Niveau de bruit | 75 dB |
| 15.2 kg | Weight | 15.4 kg |
| 17,923 BTU/hr | BTU Output | 12,437 BTU/hr |
| 16/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S19 Pro+ Hyd. (191Th)
Antminer S21 XP
Based on BTC price of $78,163 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer S21 XP comes out ahead — it takes 5 of 6 (efficacité, hashrate, consommation électrique, score de minage domestique, niveau sonore). Its biggest concrete edge: 51% better efficacité (27.5 vs 13.5 J/TH). That said, the Bitmain Antminer S19 Pro+ Hyd. (191Th) isn't beaten everywhere — it still wins rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Bitmain Antminer S19 Pro+ Hyd. (191Th) and Antminer S21 XP actually differ, with the gap quantified:
- Antminer S21 XP 41% more hashrate (191 vs 270 TH/s)
- Antminer S21 XP 31% better power draw (5,253 vs 3,645 W)
- Antminer S21 XP 51% better efficacité (27.5 vs 13.5 J/TH)
- Bitmain Antminer S19 Pro+ Hyd. (191Th) 1% better weight (15.2 vs 15.4 kg)
- Bitmain Antminer S19 Pro+ Hyd. (191Th) 44% more heat output (17,923 vs 12,437 BTU/hr)
- Antminer S21 XP 88% more score de minage domestique (16.0 vs 30.0)
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. (191Th) | Metric | Antminer S21 XP |
|---|---|---|
| $1,242 | Upfront cost (MSRP) | $8,200 |
| -$5.74 | Daily net profit | $0.96 |
| -$3,336 | Net after 1 year | -$7,848 |
| -$5,430 | Net after 2 years | -$7,496 |
| -$7,524 | Net after 3 years | -$7,145 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~23.3 years to pay back at current rates |
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
Antminer S21 XP$6.70/day higher profit at current rates.
Best for Home Mining
Antminer S21 XPScore: 30/100. 75 dB noise level.
Best for Efficiency
Antminer S21 XP13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S19 Pro+ Hyd. (191Th) vs Antminer S21 XP: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 XP is more profitable at $0.96/day compared to $-5.74/day for the Bitmain Antminer S19 Pro+ Hyd. (191Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S19 Pro+ Hyd. (191Th) or the Antminer S21 XP better for noise-sensitive spaces?
The Antminer S21 XP is quieter at 75 dB compared to the Bitmain Antminer S19 Pro+ Hyd. (191Th) 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. (191Th) or the Antminer S21 XP?
The Antminer S21 XP scores 30/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S19 Pro+ Hyd. (191Th)). 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. (191Th) and Antminer S21 XP on J/TH?
The Bitmain Antminer S19 Pro+ Hyd. (191Th) runs at 27.5 J/TH while the Antminer S21 XP runs at 13.5 J/TH — a difference of 14.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 51% better efficacité (27.5 vs 13.5 J/TH).
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