Antminer S9 vs Bitmain S19k Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S9 | Specification | Bitmain S19k Pro |
|---|---|---|
| 14.0 TH/s | Taux de hachage | 120.0 TH/s |
| 1,350 W | Consommation électrique | 2,760 W |
| 96.4 J/TH | Efficiency | 23.0 J/TH |
| 76 dB | Niveau de bruit | 75 dB |
| 4.2 kg | Weight | 14.5 kg |
| 4,606 BTU/hr | BTU Output | 9,417 BTU/hr |
| 83/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S9
Bitmain S19k Pro
Based on BTC price of $62,822 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain S19k Pro, which leads on 3 of 5 weighted factors (efficacité, hashrate, niveau sonore). Its biggest concrete edge: 757% more hashrate (14.0 vs 120.0 TH/s). That said, the Antminer S9 isn't beaten everywhere — it still wins consommation électrique and score de minage domestique. 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 Antminer S9 and Bitmain S19k Pro actually differ, with the gap quantified:
- Bitmain S19k Pro 757% more hashrate (14.0 vs 120.0 TH/s)
- Antminer S9 51% better power draw (1,350 vs 2,760 W)
- Bitmain S19k Pro 76% better efficacité (96.4 vs 23.0 J/TH)
- Bitmain S19k Pro 1% better noise (76.0 vs 75.0 dB)
- Antminer S9 71% better weight (4.2 vs 14.5 kg)
- Bitmain S19k Pro 104% more heat output (4,606 vs 9,417 BTU/hr)
- Antminer S9 131% more score de minage domestique (83.0 vs 36.0)
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.
| Antminer S9 | Metric | Bitmain S19k Pro |
|---|---|---|
| — | Upfront cost (MSRP) | $313 |
| -$2.84 | Daily net profit | -$3.21 |
| -$1,037 | Net after 1 year | -$1,486 |
| -$2,075 | Net after 2 years | -$2,659 |
| -$3,112 | Net after 3 years | -$3,832 |
| — | 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 S9Score: 83/100. 76 dB noise level.
Best for Efficiency
Bitmain S19k Pro23.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer S9 vs Bitmain S19k Pro: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S9 is more profitable at $-2.84/day compared to $-3.21/day for the Bitmain S19k Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S9 or the Bitmain S19k Pro better for noise-sensitive spaces?
The Bitmain S19k Pro is quieter at 75 dB compared to the Antminer S9 at 76 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer S9 or the Bitmain S19k Pro?
The Antminer S9 scores 83/100 on our Home Mining Score (vs 36/100 for the Bitmain S19k Pro). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Antminer S9 and Bitmain S19k Pro?
The Antminer S9 runs at 96.4 J/TH while the Bitmain S19k Pro runs at 23.0 J/TH — a difference of 73.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 76% better efficacité (96.4 vs 23.0 J/TH).