Bitmain Antminer S19j Pro (104Th) vs StrongU Hornbill H8 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19j Pro (104Th) | Specification | StrongU Hornbill H8 Pro |
|---|---|---|
| 104.0 TH/s | Hashrate | 84.0 TH/s |
| 3,068 W | Power Consumption | 3,360 W |
| 29.5 J/TH | Efficiency | 40.0 J/TH |
| — | Noise Level | — |
| 13,200.0 kg | Weight | 11,500.0 kg |
| 10,468 BTU/hr | BTU Output | 11,464 BTU/hr |
| 22/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | StrongU |
Profitability Comparison
Bitmain Antminer S19j Pro (104Th)
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 Bitmain Antminer S19j Pro (104Th), which leads on 3 of 3 weighted factors (efficiency, hashrate, power consumption). The standout gap is 26% better efficiency (29.5 vs 40.0 J/TH) in the Bitmain Antminer S19j Pro (104Th)'s favour. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer S19j Pro (104Th) and StrongU Hornbill H8 Pro diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19j Pro (104Th) 24% more hashrate (104.0 vs 84.0 TH/s)
- Bitmain Antminer S19j Pro (104Th) 9% better power draw (3,068 vs 3,360 W)
- Bitmain Antminer S19j Pro (104Th) 26% better efficiency (29.5 vs 40.0 J/TH)
- StrongU Hornbill H8 Pro 13% better weight (13,200 vs 11,500 kg)
- StrongU Hornbill H8 Pro 10% more heat output (10,468 vs 11,464 BTU/hr)
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.
| Bitmain Antminer S19j Pro (104Th) | Metric | StrongU Hornbill H8 Pro |
|---|---|---|
| $398 | Upfront cost (MSRP) | — |
| -$3.58 | Daily net profit | -$5.01 |
| -$1,704 | Net after 1 year | -$1,828 |
| -$3,010 | Net after 2 years | -$3,655 |
| -$4,317 | 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer S19j Pro (104Th)29.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S19j Pro (104Th) or StrongU Hornbill H8 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S19j Pro (104Th) is more profitable at $-3.58/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.
Which is quieter, the Bitmain Antminer S19j Pro (104Th) or StrongU Hornbill H8 Pro?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer S19j Pro (104Th) vs StrongU Hornbill H8 Pro: which fits a residential setup better?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the Bitmain Antminer S19j Pro (104Th) and StrongU Hornbill H8 Pro on J/TH?
The Bitmain Antminer S19j Pro (104Th) runs at 29.5 J/TH while the StrongU Hornbill H8 Pro runs at 40.0 J/TH — a difference of 10.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 26% better efficiency (29.5 vs 40.0 J/TH).