AOC CQ27G4ZE
Uses less electricity than 20% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €10 a year, €103 over ten years.
- Power, SDR
- 25.0 W
- Typical 21 W
- Running cost
- €10 / year
- 4 h a day
- Power, HDR
- 40.0 W
- 1.6× SDR
Uses more than most comparable models: 80 % of them need less. Teamgee TG-S10 PRO, the most efficient alternative on sale, saves about €8 a year. 65% of comparable models reach a better class than F; the most common is E. In HDR it draws 40.0 W, 1.6 times its SDR power. AOC has 142 models in this group; this one is number 118 among them. AOC sells the same label values under other model names: Q27G4SRU, CQ27G4Z2P. Registered in Jul 2026, one of the newer models in its group.
Where it stands
Rank 3,640 of 4,819 monitors, 24–31″ by yearly consumption. 3,639 use less.
Next to it in the ranking
- AOC CQ27G42FE 37 kWh same
- AOC CQ27G4Z2P 37 kWh same
- AOC CQ27G4ZE 37 kWh
- AOC Q27G4SRU 37 kWh same
- Gigabyte G27Q26 37 kWh same
What it will cost you
| Period | CQ27G4ZE | TG-S10 PRO | Difference |
|---|---|---|---|
| 1 year | €10 | €2 | −€8 |
| 5 years | €52 | €11 | −€41 |
| 10 years | €103 | €22 | −€82 |
| 15 years | €155 | €32 | −€123 |
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 | 18 | €5 |
| 4 hours a day | 37 | €10 |
| 8 hours a day | 73 | €21 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| AOC CQ27G4ZE (this model) | 37 | — |
| 8 | €8 | |
| 10 | €7 | |
| 10 | €7 | |
| 10 | €7 | |
| 12 | €7 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 25.0 W
- On-mode power HDR
- 40.0 W
- Standby / networked standby
- 0.5 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.
CQ27G4ZE
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the AOC CQ27G4ZE cost to run?
At 4 hours a day it uses about 37 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €10 a year, or €103 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 40.0 W instead of 25.0 W, 1.6 times as much. The yearly cost on this page uses SDR, as the label does.