AOC Q27E4CW
Uses less electricity than 82% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €7 a year, €66 over ten years.
- Power, SDR
- 16.0 W
- Typical 21 W
- Running cost
- €7 / year
- 4 h a day
- Power, HDR
- 37.0 W
- 2.3× SDR
In the most efficient quarter of its group: 22 % below the typical 30 kWh. Only 6% of comparable models have a better class than D. In HDR it draws 37.0 W, 2.3 times its SDR power. AOC has 142 models in this group; this one is number 18 among them. Registered in Aug 2026, one of the newer models in its group.
Where it stands
Rank 721 of 4,819 monitors, 24–31″ by yearly consumption. 720 use less.
Next to it in the ranking
- Philips 27E3C2200 23 kWh same
- Philips 27E3C2290 23 kWh same
- AOC Q27E4CW 23 kWh
- Acer KG272 W3 23 kWh same
- Acer VG270 W3bmiipx 23 kWh same
What it will cost you
| Period | Q27E4CW | TG-S10 PRO | Difference |
|---|---|---|---|
| 1 year | €7 | €2 | −€4 |
| 5 years | €33 | €11 | −€22 |
| 10 years | €66 | €22 | −€45 |
| 15 years | €99 | €32 | −€67 |
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 | 12 | €3 |
| 4 hours a day | 23 | €7 |
| 8 hours a day | 47 | €13 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| AOC Q27E4CW (this model) | 23 | — |
| 8 | €4 | |
| 10 | €4 | |
| 10 | €4 | |
| 10 | €4 | |
| 12 | €3 |
Label and product sheet
- Energy class SDR / HDR
- D / G
- On-mode power SDR
- 16.0 W
- On-mode power HDR
- 37.0 W
- Standby / networked standby
- 0.5 W / 2.0 W
- Screen diagonal
- 27″
- Resolution
- 2560×1440
- 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.
Q27E4CW
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the AOC Q27E4CW cost to run?
At 4 hours a day it uses about 23 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €7 a year, or €66 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 37.0 W instead of 16.0 W, 2.3 times as much. The yearly cost on this page uses SDR, as the label does.