EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 27″ · 1920×1080 · LED LCD

AOC C27G2Z3/BK

E

Uses less electricity than 37% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €9 a year, €87 over ten years.

Power, SDR
21.0 W
Typical 21 W
Running cost
€9 / year
4 h a day
Power, HDR
33.0 W
1.6× SDR

Near the middle of its group: 3 % above the typical 30 kWh. Class E is the most common class in this group (49% of models). In HDR it draws 33.0 W, 1.6 times its SDR power. AOC has 142 models in this group; this one is number 69 among them. AOC sells the same label values under other model names: 27G4X.

Where it stands

Rank 2,468 of 4,819 monitors, 24–31″ by yearly consumption. 2,467 use less.

Median 30 This model · 31 5 115 kWh ← uses less · uses more →

Next to it in the ranking

  1. E AOC 27G2ZN3/BK 31 kWh same
  2. E AOC 27G4X 31 kWh same
  3. E AOC C27G2Z3/BK 31 kWh
  4. E Dahua DHI-LM27-L200N 31 kWh same
  5. E Minifire MFG27F2 31 kWh same
See the full ranking

What it will cost you

Period C27G2Z3/BK TG-S10 PRO Difference
1 year €9 €2 −€7
5 years €43 €11 −€33
10 years €87 €22 −€65
15 years €130 €32 −€98

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

SDR 21.0 W
HDR 33.0 W
Group median, SDR 20.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 15 €4
4 hours a day 31 €9
8 hours a day 61 €17

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model SizeSDR W kWh / yr Saves / year in 10 years
E AOC C27G2Z3/BK (this model)
27″21.0 31 — —
A Teamgee TG-S10 PRO compare
28″5.2 8 €7 €65
C Changhong audio-visual electronic products M-27LKF1Q165 compare
27″7.0 10 €6 €58
A Philips 27B2G5200 compare
27″7.0 10 €6 €58
C Changhong audio-visual electronic products M-27LFK4P60 compare
27″7.0 10 €6 €58
A Dusun UP27001,UP27002,UP27003,UP27004,UP27005 compare
27″8.0 12 €5 €54

Label and product sheet

Energy class SDR / HDR
E / G
On-mode power SDR
21.0 W
On-mode power HDR
33.0 W
Standby / networked standby
0.3 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.

C27G2Z3/BK

  1. Placed on the EU market
  2. First published in the EU register (EPREL)

Questions

How much does the AOC C27G2Z3/BK cost to run?

At 4 hours a day it uses about 31 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €9 a year, or €87 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 33.0 W instead of 21.0 W, 1.6 times as much. The yearly cost on this page uses SDR, as the label does.