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

Monitors · 27″ · 3840×2160 · LED LCD

BenQ EW2790U

F

Uses less electricity than 28% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €10 a year, €96 over ten years.

Power, SDR
23.3 W
Typical 21 W
Running cost
€10 / year
4 h a day
Power, HDR
25.7 W
1.1× SDR

Near the middle of its group: 14 % above the typical 30 kWh. 65% of comparable models reach a better class than F; the most common is E. On-mode power in SDR is 23.3 W; the typical screen of this size draws 20.5 W. BenQ has 89 models in this group; this one is number 68 among them.

Where it stands

Rank 3,428 of 4,819 monitors, 24–31″ by yearly consumption. 3,427 use less.

Median 30 This model · 34 5 115 kWh ← uses less · uses more →

Next to it in the ranking

  1. F Gawfolk LX270ZG 34 kWh −€0.03
  2. F Gawfolk GF270G 34 kWh −€0.03
  3. F BenQ EW2790U 34 kWh
  4. F ViewSonic VS19891(VP2776T-4K) 34 kWh same
  5. F ViewSonic VS19852(XG272-2K-OLED) 34 kWh same
See the full ranking

What it will cost you

Period EW2790U TG-S10 PRO Difference
1 year €10 €2 −€7
5 years €48 €11 −€37
10 years €96 €22 −€75
15 years €144 €32 −€112

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 23.3 W
HDR 25.7 W
Group median, SDR 20.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 17 €5
4 hours a day 34 €10
8 hours a day 68 €19

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
F BenQ EW2790U (this model)
27″23.3 34 — —
28″5.2 8 €7 €75
27″7.0 10 €7 €67
27″7.0 10 €7 €67
27″7.0 10 €7 €67
27″8.0 12 €6 €63

Label and product sheet

Energy class SDR / HDR
F / F
On-mode power SDR
23.3 W
On-mode power HDR
25.7 W
Standby / networked standby
0.5 W
Screen diagonal
27″
Resolution
3840×2160
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.

EW2790U

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

Questions

How much does the BenQ EW2790U cost to run?

At 4 hours a day it uses about 34 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 €96 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 25.7 W instead of 23.3 W, 1.1 times as much. The yearly cost on this page uses SDR, as the label does.