Antminer S19j Pro vs StealthMiner
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19j Pro | Specification | StealthMiner |
|---|---|---|
| 100.0 TH/s | Hashrate | 800.0 GH/s |
| 3,050 W | Power Consumption | 18 W |
| 30.5 J/TH | Efficiency | 22.5 J/TH |
| 75 dB | Noise Level | 28 dB |
| 13.2 kg | Weight | 1.5 kg |
| 10,407 BTU/hr | BTU Output | 61 BTU/hr |
| 84/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Antminer S19j Pro
StealthMiner
Based on BTC price of $76,967 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the StealthMiner, which leads on 3 of 6 weighted factors (efficiency, power consumption, noise level). Where it pulls away hardest is 99% better power draw (3,050.0 vs 18.0 W). The Antminer S19j Pro holds the edge in hashrate and home mining score and price-performance. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer S19j Pro and StealthMiner sit on each measurable spec:
- Antminer S19j Pro 12400% more hashrate (100.0 vs 0.8 TH/s)
- StealthMiner 99% better power draw (3,050.0 vs 18.0 W)
- StealthMiner 26% better efficiency (30.5 vs 22.5 J/TH)
- StealthMiner 63% better noise (75.0 vs 28.0 dB)
- StealthMiner 89% better weight (13.2 vs 1.5 kg)
- Antminer S19j Pro 16849% more heat output (10,406.6 vs 61.4 BTU/hr)
- Antminer S19j Pro 20% more home mining score (84.0 vs 70.0)
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 S19j Pro | Metric | StealthMiner |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $199 |
| -$3.78 | Daily net profit | -$0.01 |
| -$3,879 | Net after 1 year | -$204 |
| -$5,258 | Net after 2 years | -$210 |
| -$6,637 | Net after 3 years | -$215 |
| 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 S19j ProScore: 84/100. 75 dB noise level.
Best for Efficiency
StealthMiner22.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer S19j Pro vs StealthMiner: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the StealthMiner is more profitable at $-0.01/day compared to $-3.78/day for the Antminer S19j Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S19j Pro vs StealthMiner: which runs at a lower noise level?
The StealthMiner is quieter at 28 dB compared to the Antminer S19j Pro at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer S19j Pro vs StealthMiner: which fits a residential setup better?
The Antminer S19j Pro scores 84/100 on our Home Mining Score (vs 70/100 for the StealthMiner). 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 S19j Pro and StealthMiner?
The Antminer S19j Pro runs at 30.5 J/TH while the StealthMiner runs at 22.5 J/TH — a difference of 8.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 26% better efficiency (30.5 vs 22.5 J/TH).