Samsung NP940XHA: $2 a year to run
This model (Computers) uses 10 kWh of electricity a year, which costs about $2 a year and $20 over 10 years at 21.0¢/kWh.
Energy use
10 kWh
per year
Running cost per year
$2
21.0¢/kWh
Running cost over 10 years
$20
Efficiency rank
218 / 1,748
Product details
| Type | Notebook |
|---|---|
| Battery capacity (Wh) | 62.2 |
| Available since | November 20, 2024 |
Compared with the average model (Computers), this one saves about $3 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Acer C725 | 10 | $2 |
| Acer CB315-6H | 10 | $2 |
| Apple A3426 | 10 | $2 |
| Apple A3401 | 10 | $2 |
| ASUS E1504GA | 10 | $2 |
| Evolve III E3C3 | 10 | $2 |
| HP 14-ka | 10 | $2 |
| Lenovo 1) 21XR | 10 | $2 |
- Refrigerators
- Freezers
- Washing machines
- Dishwashers
- Tumble dryers
- Room air conditioners
- Dehumidifiers
- Water heaters
- Electric cooktops and ranges
- Televisions
- Air purifiers
Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology