Bitmain Antminer S9i (14Th) vs Antminer T19
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9i (14Th) | Specification | Antminer T19 |
|---|---|---|
| 14.0 TH/s | Taux de hachage | 84.0 TH/s |
| 1,320 W | Consommation électrique | 3,150 W |
| 94.3 J/TH | Efficiency | 37.5 J/TH |
| — | Niveau de bruit | 75 dB |
| 4,200.0 kg | Weight | 14.4 kg |
| 4,504 BTU/hr | BTU Output | 10,748 BTU/hr |
| 31/100 | Home Mining Score | 84/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S9i (14Th)
Antminer T19
Based on BTC price of $76,901 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer T19, which leads on 4 of 6 weighted factors (efficacité, hashrate, score de minage domestique, niveau sonore). The standout gap is 500% more hashrate (14.0 vs 84.0 TH/s) in the Antminer T19's favour. The Bitmain Antminer S9i (14Th) holds the edge in consommation électrique and rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer S9i (14Th) and Antminer T19 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer T19 500% more hashrate (14.0 vs 84.0 TH/s)
- Bitmain Antminer S9i (14Th) 58% better power draw (1,320 vs 3,150 W)
- Antminer T19 60% better efficacité (94.3 vs 37.5 J/TH)
- Antminer T19 100% better weight (4,200.0 vs 14.4 kg)
- Antminer T19 139% more heat output (4,504 vs 10,748 BTU/hr)
- Antminer T19 171% more score de minage domestique (31.0 vs 84.0)
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.
| Bitmain Antminer S9i (14Th) | Metric | Antminer T19 |
|---|---|---|
| $65 | Upfront cost (MSRP) | $1,800 |
| -$2.67 | Daily net profit | -$4.59 |
| -$1,040 | Net after 1 year | -$3,474 |
| -$2,016 | Net after 2 years | -$5,149 |
| -$2,991 | Net after 3 years | -$6,823 |
| 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
Antminer T19Score: 84/100. 75 dB noise level.
Best for Efficiency
Antminer T1937.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S9i (14Th) or the Antminer T19?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9i (14Th) is more profitable at $-2.67/day compared to $-4.59/day for the Antminer T19. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9i (14Th) vs Antminer T19: which runs at a lower noise level?
The Antminer T19 is quieter at 75 dB compared to the Bitmain Antminer S9i (14Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S9i (14Th) vs Antminer T19: which fits a residential setup better?
The Antminer T19 scores 84/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9i (14Th)). 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 S9i (14Th) and Antminer T19 on J/TH?
The Bitmain Antminer S9i (14Th) runs at 94.3 J/TH while the Antminer T19 runs at 37.5 J/TH — a difference of 56.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 60% better efficacité (94.3 vs 37.5 J/TH).