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

Monitors · 27″ · 2560×1440 · LED LCD

BenQ GW2790QP

E

Uses less electricity than 58% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €8 a year, €76 over ten years.

Power, SDR
18.4 W
Typical 21 W
Running cost
€8 / year
4 h a day

Near the middle of its group: 10 % below the typical 30 kWh. Class E is the most common class in this group (49% of models). On-mode power in SDR is 18.4 W; the typical screen of this size draws 20.5 W. BenQ has 89 models in this group; this one is number 42 among them. Registered in Aug 2026, one of the newer models in its group.

Where it stands

Rank 1,999 of 4,819 monitors, 24–31″ by yearly consumption. 1,998 use less.

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

Next to it in the ranking

  1. E BenQ XL2540K 27 kWh −€0.06
  2. E Mission SG Axion F25 Pro 240 27 kWh same
  3. E BenQ GW2790QP 27 kWh
  4. E Dahua DHI-LM24-C201AE 27 kWh same
  5. E iiyama GB2591HSU-B1 27 kWh same
See the full ranking

What it will cost you

Period GW2790QP TG-S10 PRO Difference
1 year €8 €2 −€5
5 years €38 €11 −€27
10 years €76 €22 −€55
15 years €114 €32 −€82

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

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 13 €4
4 hours a day 27 €8
8 hours a day 54 €15

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 GW2790QP (this model)
27″18.4 27 — —
28″5.2 8 €5 €55
27″7.0 10 €5 €47
27″7.0 10 €5 €47
27″7.0 10 €5 €47
27″8.0 12 €4 €43

Label and product sheet

Energy class SDR / HDR
E / –
On-mode power SDR
18.4 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

2 model numbers are registered by BenQ with identical label values (usually colour or market variants). Searching any of them leads here.

GW2790QP · BL2790QP

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

Questions

How much does the BenQ GW2790QP 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 €76 over ten years.