Bitmain Antminer S9 (14Th) vs StrongU STU-U8 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (14Th) | Specification | StrongU STU-U8 Pro |
|---|---|---|
| 14.0 TH/s | Hashrate | 60.0 TH/s |
| 1,372 W | Power Consumption | 2,800 W |
| 98.0 J/TH | Efficiency | 46.7 J/TH |
| — | Noise Level | — |
| 4,200.0 kg | Weight | 8,200.0 kg |
| 4,681 BTU/hr | BTU Output | 9,554 BTU/hr |
| 31/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | StrongU |
Profitability Comparison
Bitmain Antminer S9 (14Th)
StrongU STU-U8 Pro
Based on BTC price of $79,090 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the StrongU STU-U8 Pro comes out ahead — it takes 2 of 4 (efficiency, hashrate). Its biggest concrete edge: 329% more hashrate (14.0 vs 60.0 TH/s). The Bitmain Antminer S9 (14Th) claws back ground on power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer S9 (14Th) and StrongU STU-U8 Pro actually differ, with the gap quantified:
- StrongU STU-U8 Pro 329% more hashrate (14.0 vs 60.0 TH/s)
- Bitmain Antminer S9 (14Th) 51% better power draw (1,372 vs 2,800 W)
- StrongU STU-U8 Pro 52% better efficiency (98.0 vs 46.7 J/TH)
- Bitmain Antminer S9 (14Th) 49% better weight (4,200 vs 8,200 kg)
- StrongU STU-U8 Pro 104% more heat output (4,681 vs 9,554 BTU/hr)
- Bitmain Antminer S9 (14Th) 41% more home mining score (31.0 vs 22.0)
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 S9 (14Th) | Metric | StrongU STU-U8 Pro |
|---|---|---|
| $65 | Upfront cost (MSRP) | — |
| -$2.78 | Daily net profit | -$4.54 |
| -$1,081 | Net after 1 year | -$1,656 |
| -$2,097 | Net after 2 years | -$3,311 |
| -$3,113 | Net after 3 years | -$4,967 |
| 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
Bitmain Antminer S9 (14Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
StrongU STU-U8 Pro46.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9 (14Th) or StrongU STU-U8 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9 (14Th) is more profitable at $-2.78/day compared to $-4.54/day for the StrongU STU-U8 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9 (14Th) vs StrongU STU-U8 Pro: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer S9 (14Th) vs StrongU STU-U8 Pro: which fits a residential setup better?
The Bitmain Antminer S9 (14Th) scores 31/100 on our Home Mining Score (vs 22/100 for the StrongU STU-U8 Pro). 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 S9 (14Th) and StrongU STU-U8 Pro on J/TH?
The Bitmain Antminer S9 (14Th) runs at 98.0 J/TH while the StrongU STU-U8 Pro runs at 46.7 J/TH — a difference of 51.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 52% better efficiency (98.0 vs 46.7 J/TH).
