AOC 27E4A
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, €41 over ten years.
- Power, SDR
- 10.0 W
- Typical 21 W
- Running cost
- €4 / year
- 4 h a day
- Power, HDR
- 30.0 W
- 3.0× SDR
Only 63 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 30.0 W, 3.0 times its SDR power. AOC has 142 models in this group; this one is number 4 among them. Registered in Nov 2026, one of the newer models in its group.
Where it stands
Rank 64 of 4,819 monitors, 24–31″ by yearly consumption. 63 use less.
Next to it in the ranking
- Acer B277 D6 15 kWh same
- Acer B247W E5 15 kWh same
- AOC 27E4A 15 kWh
- Asus VU279HFI (-B/M/G/P/W) 15 kWh +€0.03
- Asus BE248QF 15 kWh +€0.17
What it will cost you
| Period | 27E4A | TG-S10 PRO | Difference |
|---|---|---|---|
| 1 year | €4 | €2 | −€2 |
| 5 years | €21 | €11 | −€10 |
| 10 years | €41 | €22 | −€20 |
| 15 years | €62 | €32 | −€30 |
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 | 15 | €4 |
| 8 hours a day | 29 | €8 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| AOC 27E4A (this model) | 15 | — |
| 8 | €2 | |
| 10 | €1 | |
| 10 | €1 | |
| 10 | €1 | |
| 12 | €1 |
Label and product sheet
- Energy class SDR / HDR
- B / G
- On-mode power SDR
- 10.0 W
- On-mode power HDR
- 30.0 W
- Standby / networked standby
- 0.5 W
- Screen diagonal
- 27″
- 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.
27E4A
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the AOC 27E4A cost to run?
At 4 hours a day it uses about 15 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 €41 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 30.0 W instead of 10.0 W, 3.0 times as much. The yearly cost on this page uses SDR, as the label does.