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

Monitors · 40″ · 5120×2160 · LCD

Gawfolk GF400C

F

Uses less electricity than 10% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €16 a year, €155 over ten years.

Power, SDR
37.6 W
Typical 31 W
Running cost
€16 / year
4 h a day

Uses more than most comparable models: 90 % of them need less. ShenzhenGuoruitongTechnologyCoLtd G156F, the most efficient alternative on sale, saves about €13 a year. Class F is the most common class in this group (51% of models). On-mode power in SDR is 37.6 W; the typical screen of this size draws 31.5 W. Gawfolk has 39 models in this group; this one is number 36 among them. Registered in Jul 2026, one of the newer models in its group.

Where it stands

Rank 1,318 of 1,482 monitors, 32–42″ by yearly consumption. 1,317 use less.

Median 46 This model · 55 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. G BenQ EW3880R 55 kWh −€0.03
  2. F Gawfolk GF400D 55 kWh same
  3. F Gawfolk GF400C 55 kWh
  4. F Dutzo G40-IP120QL 55 kWh same
  5. F Gawfolk GF400B 55 kWh same
See the full ranking

What it will cost you

Period GF400C G156F Difference
1 year €16 €3 −€13
5 years €78 €13 −€65
10 years €155 €26 −€129
15 years €233 €39 −€194

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 27 €8
4 hours a day 55 €16
8 hours a day 110 €31

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 Gawfolk GF400C (this model)
40″37.6 55 — —
40″6.3 9 €13 €129
40″7.4 11 €12 €125
39″15.7 23 €9 €91
40″29.0 42 €4 €36
40″31.0 45 €3 €27

Label and product sheet

Energy class SDR / HDR
F / –
On-mode power SDR
37.6 W
Standby / networked standby
0.2 W / 0.0 W
Screen diagonal
40″
Resolution
5120×2160
Panel
LCD
Refresh rate
60 Hz
Software updates (minimum)
1 years
Guarantee (supplier)
1 years
Spare parts (minimum)
1 years

Model numbers and history

Registered by Gawfolk under one model number.

GF400C

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

Questions

How much does the Gawfolk GF400C cost to run?

At 4 hours a day it uses about 55 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €16 a year, or €155 over ten years.