EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 27″ · 2560×1440 · LED LCD

BenQ EW2790Q

E

Uses less electricity than 56% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €8 a year, €78 over ten years.

Power, SDR
18.8 W
Typical 21 W
Running cost
€8 / year
4 h a day
Power, HDR
20.8 W
1.1× SDR

Near the middle of its group: 8 % below the typical 30 kWh. Class E is the most common class in this group (49% of models). On-mode power in SDR is 18.8 W; the typical screen of this size draws 20.5 W. BenQ has 89 models in this group; this one is number 44 among them.

Where it stands

Rank 2,060 of 4,819 monitors, 24–31″ by yearly consumption. 2,059 use less.

Median 30 This model · 27 5 115 kWh ← uses less · uses more →

Next to it in the ranking

  1. E Dell P2725D 27 kWh same
  2. E Dell P2725D Halogen-Free 27 kWh same
  3. E BenQ EW2790Q 27 kWh
  4. F ViewSonic VS18859(TD2456, ID2456) 27 kWh same
  5. E Z Z-Edge UG27F-1 27 kWh same
See the full ranking

What it will cost you

Period EW2790Q TG-S10 PRO Difference
1 year €8 €2 −€6
5 years €39 €11 −€28
10 years €78 €22 −€56
15 years €116 €32 −€84

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 18.8 W
HDR 20.8 W
Group median, SDR 20.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 14 €4
4 hours a day 27 €8
8 hours a day 55 €16

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 BenQ EW2790Q (this model)
27″18.8 27 — —
A Teamgee TG-S10 PRO compare
28″5.2 8 €6 €56
C Changhong audio-visual electronic products M-27LKF1Q165 compare
27″7.0 10 €5 €49
A Philips 27B2G5200 compare
27″7.0 10 €5 €49
C Changhong audio-visual electronic products M-27LFK4P60 compare
27″7.0 10 €5 €49
A Dusun UP27001,UP27002,UP27003,UP27004,UP27005 compare
27″8.0 12 €4 €44

Label and product sheet

Energy class SDR / HDR
E / E
On-mode power SDR
18.8 W
On-mode power HDR
20.8 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)
2 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by BenQ under one model number.

EW2790Q

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

Questions

How much does the BenQ EW2790Q cost to run?

At 4 hours a day it uses about 27 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €8 a year, or €78 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 20.8 W instead of 18.8 W, 1.1 times as much. The yearly cost on this page uses SDR, as the label does.