Obelisk SC1 Immersion vs StrongU STU-U2
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Obelisk SC1 Immersion | Specification | StrongU STU-U2 |
|---|---|---|
| 2.2 TH/s | Hashrate | 7.0 TH/s |
| 1,600 W | Power Consumption | 1,600 W |
| 727.3 J/TH | Efficiency | 228.6 J/TH |
| — | Noise Level | — |
| — | Weight | 6,500.0 kg |
| 5,459 BTU/hr | BTU Output | 5,459 BTU/hr |
| 28/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| Blake2b | Algorithm | Blake2b |
| Obelisk | Manufacturer | StrongU |
Profitability Comparison
Obelisk SC1 Immersion
StrongU STU-U2
Based on BTC price of $78,257 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the StrongU STU-U2, which leads on 2 of 2 weighted factors (efficiency, hashrate). The standout gap is 69% better efficiency (727 vs 229 J/TH) in the StrongU STU-U2's favour. 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 Obelisk SC1 Immersion and StrongU STU-U2 actually differ, with the gap quantified:
- StrongU STU-U2 218% more hashrate (2.2 vs 7.0 TH/s)
- StrongU STU-U2 69% better efficiency (727 vs 229 J/TH)
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.
| Obelisk SC1 Immersion | Metric | StrongU STU-U2 |
|---|---|---|
| — | Upfront cost (MSRP) | $499 |
| -$3.76 | Daily net profit | -$3.59 |
| -$1,373 | Net after 1 year | -$1,809 |
| -$2,745 | Net after 2 years | -$3,118 |
| -$4,118 | Net after 3 years | -$4,428 |
| — | 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
StrongU STU-U2228.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Obelisk SC1 Immersion or StrongU STU-U2 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the StrongU STU-U2 is more profitable at $-3.59/day compared to $-3.76/day for the Obelisk SC1 Immersion. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Obelisk SC1 Immersion or StrongU STU-U2?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Obelisk SC1 Immersion vs StrongU STU-U2: 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.
What is the efficiency difference between Obelisk SC1 Immersion and StrongU STU-U2?
The Obelisk SC1 Immersion runs at 727.3 J/TH while the StrongU STU-U2 runs at 228.6 J/TH — a difference of 498.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 69% better efficiency (727 vs 229 J/TH).