Bitmain Antminer A3 (815Gh) vs Obelisk SC1 Dual
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer A3 (815Gh) | Specification | Obelisk SC1 Dual |
|---|---|---|
| 815.0 GH/s | Taux de hachage | 1.1 TH/s |
| 1,275 W | Consommation électrique | 900 W |
| 1,564.4 J/TH | Efficiency | 818.2 J/TH |
| — | Niveau de bruit | — |
| 4,200.0 kg | Weight | — |
| 4,350 BTU/hr | BTU Output | 3,071 BTU/hr |
| 31/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Blake2b | Algorithme | Blake2b |
| Bitmain | Manufacturer | Obelisk |
Profitability Comparison
Bitmain Antminer A3 (815Gh)
Obelisk SC1 Dual
Based on BTC price of $74,127 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Obelisk SC1 Dual l'emporte sur 3 des 3 facteurs (efficacité, hashrate, consommation électrique). Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
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 Dual818.2 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer A3 (815Gh) or Obelisk SC1 Dual more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Obelisk SC1 Dual is more profitable at $-2.12/day compared to $-3.03/day for the Bitmain Antminer A3 (815Gh). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer A3 (815Gh) or Obelisk SC1 Dual?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer A3 (815Gh) or Obelisk SC1 Dual?
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 Bitmain Antminer A3 (815Gh) and Obelisk SC1 Dual?
The Bitmain Antminer A3 (815Gh) runs at 1,564.4 J/TH while the Obelisk SC1 Dual runs at 818.2 J/TH — a difference of 746.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.