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

Monitors · 27″ · 1920×1080 · LED LCD

BenQ EW2780

E

Uses less electricity than 36% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €9 a year, €88 over ten years.

Power, SDR
21.2 W
Typical 21 W
Running cost
€9 / year
4 h a day
Power, HDR
23.8 W
1.1× SDR

Near the middle of its group: 4 % above the typical 30 kWh. Class E is the most common class in this group (49% of models). On-mode power in SDR is 21.2 W; the typical screen of this size draws 20.5 W. BenQ has 89 models in this group; this one is number 56 among them. On the register since 2021 and still on sale.

Where it stands

Rank 3,027 of 4,819 monitors, 24–31″ by yearly consumption. 3,026 use less.

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

Next to it in the ranking

  1. E BenQ EX2710SE 31 kWh same
  2. E BenQ XL2740 31 kWh same
  3. E BenQ EW2780 31 kWh
  4. E Acer ED270R 31 kWh same
  5. F Planar PXN2490MW-WH 31 kWh same
See the full ranking

What it will cost you

Period EW2780 TG-S10 PRO Difference
1 year €9 €2 −€7
5 years €44 €11 −€33
10 years €88 €22 −€66
15 years €132 €32 −€99

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 21.2 W
HDR 23.8 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 62 €18

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 EW2780 (this model)
27″21.2 31 — —
28″5.2 8 €7 €66
27″7.0 10 €6 €59
27″7.0 10 €6 €59
27″7.0 10 €6 €59
27″8.0 12 €5 €55

Label and product sheet

Energy class SDR / HDR
E / F
On-mode power SDR
21.2 W
On-mode power HDR
23.8 W
Standby / networked standby
0.3 W
Screen diagonal
27″
Resolution
1920×1080
Panel
LED LCD
Refresh rate
75 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.

EW2780

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

Questions

How much does the BenQ EW2780 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 €88 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 23.8 W instead of 21.2 W, 1.1 times as much. The yearly cost on this page uses SDR, as the label does.