Antminer S19j Pro vs StrongU Hornbill H8 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19j Pro | Specification | StrongU Hornbill H8 Pro |
|---|---|---|
| 100.0 TH/s | Hashrate | 84.0 TH/s |
| 3,050 W | Power Consumption | 3,360 W |
| 30.5 J/TH | Efficiency | 40.0 J/TH |
| 75 dB | Noise Level | — |
| 13.2 kg | Weight | 11,500.0 kg |
| 10,407 BTU/hr | BTU Output | 11,464 BTU/hr |
| 84/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | StrongU |
Profitability Comparison
Antminer S19j Pro
StrongU Hornbill H8 Pro
Based on BTC price of $79,075 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer S19j Pro, which leads on 5 of 5 weighted factors (efficiency, hashrate, power consumption, home mining score, noise level). Its biggest concrete edge: 24% better efficiency (30.5 vs 40.0 J/TH). The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer S19j Pro and StrongU Hornbill H8 Pro sit on each measurable spec:
- Antminer S19j Pro 19% more hashrate (100.0 vs 84.0 TH/s)
- Antminer S19j Pro 9% better power draw (3,050 vs 3,360 W)
- Antminer S19j Pro 24% better efficiency (30.5 vs 40.0 J/TH)
- Antminer S19j Pro 100% better weight (13.2 vs 11,500.0 kg)
- StrongU Hornbill H8 Pro 10% more heat output (10,407 vs 11,464 BTU/hr)
- Antminer S19j Pro 282% more home mining score (84.0 vs 22.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Antminer S19j Pro | Metric | StrongU Hornbill H8 Pro |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | — |
| -$3.68 | Daily net profit | -$5.01 |
| -$3,844 | Net after 1 year | -$1,828 |
| -$5,187 | Net after 2 years | -$3,655 |
| -$6,531 | Net after 3 years | -$5,483 |
| 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
Antminer S19j ProScore: 84/100. 75 dB noise level.
Best for Efficiency
Antminer S19j Pro30.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S19j Pro or StrongU Hornbill H8 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S19j Pro is more profitable at $-3.68/day compared to $-5.01/day for the StrongU Hornbill H8 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S19j Pro or the StrongU Hornbill H8 Pro better for noise-sensitive spaces?
The Antminer S19j Pro is quieter at 75 dB compared to the StrongU Hornbill H8 Pro at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer S19j Pro vs StrongU Hornbill H8 Pro: which fits a residential setup better?
The Antminer S19j Pro scores 84/100 on our Home Mining Score (vs 22/100 for the StrongU Hornbill H8 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 S19j Pro and StrongU Hornbill H8 Pro?
The Antminer S19j Pro runs at 30.5 J/TH while the StrongU Hornbill H8 Pro runs at 40.0 J/TH — a difference of 9.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 24% better efficiency (30.5 vs 40.0 J/TH).