Obelisk SC1 vs Obelisk SC1 Slim
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Obelisk SC1 | Specification | Obelisk SC1 Slim |
|---|---|---|
| 550.0 GH/s | Hashrate | 550.0 GH/s |
| 500 W | Power Consumption | 450 W |
| 909.1 J/TH | Efficiency | 818.2 J/TH |
| — | Noise Level | — |
| 9,000.0 kg | Weight | — |
| 1,706 BTU/hr | BTU Output | 1,535 BTU/hr |
| 34/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| Blake2b | Algorithm | Blake2b |
| Obelisk | Manufacturer | Obelisk |
Profitability Comparison
Obelisk SC1
Obelisk SC1 Slim
Based on BTC price of $78,183 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Obelisk SC1 Slim wins on 2 of 2 factors (efficiency, power consumption). The standout gap is 10% better efficiency (909 vs 818 J/TH) in the Obelisk SC1 Slim's favour. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Obelisk SC1 and Obelisk SC1 Slim actually differ, with the gap quantified:
- Obelisk SC1 Slim 10% better power draw (500 vs 450 W)
- Obelisk SC1 Slim 10% better efficiency (909 vs 818 J/TH)
- Obelisk SC1 11% more heat output (1,706 vs 1,535 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.
| Obelisk SC1 | Metric | Obelisk SC1 Slim |
|---|---|---|
| — | Upfront cost (MSRP) | $2,600 |
| -$1.18 | Daily net profit | -$1.06 |
| -$431 | Net after 1 year | -$2,987 |
| -$862 | Net after 2 years | -$3,374 |
| -$1,292 | Net after 3 years | -$3,761 |
| — | 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
Obelisk SC1 Slim818.2 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Obelisk SC1 or Obelisk SC1 Slim more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Obelisk SC1 Slim is more profitable at $-1.06/day compared to $-1.18/day for the Obelisk SC1. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Obelisk SC1 or the Obelisk SC1 Slim better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Obelisk SC1 or Obelisk SC1 Slim?
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 Obelisk SC1 and Obelisk SC1 Slim on J/TH?
The Obelisk SC1 runs at 909.1 J/TH while the Obelisk SC1 Slim runs at 818.2 J/TH — a difference of 90.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 10% better efficiency (909 vs 818 J/TH).