Antminer S21+ vs Bitmain Antminer T19 Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21+ | Specification | Bitmain Antminer T19 Hydro |
|---|---|---|
| 216.0 TH/s | Taux de hachage | 158.0 TH/s |
| 3,564 W | Consommation électrique | 5,451 W |
| 16.5 J/TH | Efficiency | 34.5 J/TH |
| 75 dB | Niveau de bruit | 40 dB |
| 15.0 kg | Weight | 15.8 kg |
| 12,160 BTU/hr | BTU Output | 18,599 BTU/hr |
| 30/100 | Home Mining Score | 51/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S21+
Bitmain Antminer T19 Hydro
Based on BTC price of $78,179 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S21+ l'emporte sur 3 des 5 facteurs (efficacité, hashrate, consommation électrique). Its biggest concrete edge: 52% better efficacité (16.5 vs 34.5 J/TH). The Bitmain Antminer T19 Hydro holds the edge in score de minage domestique and niveau sonore. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Antminer S21+ and Bitmain Antminer T19 Hydro diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer S21+ 37% more hashrate (216 vs 158 TH/s)
- Antminer S21+ 35% better power draw (3,564 vs 5,451 W)
- Antminer S21+ 52% better efficacité (16.5 vs 34.5 J/TH)
- Bitmain Antminer T19 Hydro 47% better noise (75.0 vs 40.0 dB)
- Antminer S21+ 5% better weight (15.0 vs 15.8 kg)
- Bitmain Antminer T19 Hydro 53% more heat output (12,160 vs 18,599 BTU/hr)
- Bitmain Antminer T19 Hydro 70% more score de minage domestique (30.0 vs 51.0)
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.
| Antminer S21+ | Metric | Bitmain Antminer T19 Hydro |
|---|---|---|
| $6,500 | Upfront cost (MSRP) | — |
| -$0.78 | Daily net profit | -$7.40 |
| -$6,786 | Net after 1 year | -$2,700 |
| -$7,071 | Net after 2 years | -$5,401 |
| -$7,357 | Net after 3 years | -$8,101 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Bitmain Antminer T19 HydroScore: 51/100. 40 dB noise level.
Best for Efficiency
Antminer S21+16.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S21+ or the Bitmain Antminer T19 Hydro?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21+ is more profitable at $-0.78/day compared to $-7.40/day for the Bitmain Antminer T19 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S21+ or the Bitmain Antminer T19 Hydro better for noise-sensitive spaces?
The Bitmain Antminer T19 Hydro is quieter at 40 dB compared to the Antminer S21+ at 75 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer S21+ or the Bitmain Antminer T19 Hydro?
The Bitmain Antminer T19 Hydro scores 51/100 on our Home Mining Score (vs 30/100 for the Antminer S21+). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer S21+ vs Bitmain Antminer T19 Hydro: how much does the efficiency gap matter?
The Antminer S21+ runs at 16.5 J/TH while the Bitmain Antminer T19 Hydro runs at 34.5 J/TH — a difference of 18.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 52% better efficacité (16.5 vs 34.5 J/TH).