AOC 24E40A
Uses less electricity than 98% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €4 a year, €37 over ten years.
- Power, SDR
- 9.0 W
- Typical 21 W
- Running cost
- €4 / year
- 4 h a day
- Power, HDR
- 25.0 W
- 2.8× SDR
Only 40 of 4,819 monitors, 24–31″ do better. Class B is the best class any model in this group reaches, and only 1% of them do. In HDR it draws 25.0 W, 2.8 times its SDR power. Of 142 AOC models in this group, it is the most efficient. AOC sells the same label values under other model names: 24E4A. Registered in Oct 2026, one of the newer models in its group.
Where it stands
Rank 41 of 4,819 monitors, 24–31″ by yearly consumption. 40 use less.
Next to it in the ranking
- Philips 242B1G 13 kWh same
- Eizo FlexScan EV2460 13 kWh same
- AOC 24E40A 13 kWh
- AOC 24E4A 13 kWh same
- iiyama X2492HSU-B1 13 kWh +€0.06
What it will cost you
| Period | 24E40A | WF238V | Difference |
|---|---|---|---|
| 1 year | €4 | €2 | −€2 |
| 5 years | €19 | €8 | −€10 |
| 10 years | €37 | €16 | −€21 |
| 15 years | €56 | €25 | −€31 |
Is the more efficient model worth its price?
Enter both purchase prices to see the total cost of ownership.
Power in SDR and HDR
Cost by viewing time
| Use | kWh / yr | € / yr |
|---|---|---|
| 2 hours a day | 7 | €2 |
| 4 hours a day | 13 | €4 |
| 8 hours a day | 26 | €7 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| AOC 24E40A (this model) | 13 | — |
| 6 | €2 | |
| 7 | €2 | |
| 7 | €2 | |
| 7 | €2 | |
| 7 | €2 |
Label and product sheet
- Energy class SDR / HDR
- B / G
- On-mode power SDR
- 9.0 W
- On-mode power HDR
- 25.0 W
- Standby / networked standby
- 0.3 W
- Screen diagonal
- 24″
- Resolution
- 1920×1080
- Panel
- LED LCD
- Refresh rate
- 60 Hz
- Software updates (minimum)
- 8 years
- Guarantee (supplier)
- 3 years
- Spare parts (minimum)
- 7 years
Model numbers and history
Registered by AOC under one model number.
24E40A
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the AOC 24E40A cost to run?
At 4 hours a day it uses about 13 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €4 a year, or €37 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 25.0 W instead of 9.0 W, 2.8 times as much. The yearly cost on this page uses SDR, as the label does.