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

Monitors · 42″ · 3840×2160 · OTHER

KTC G42P5

G

Uses less electricity than 0% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €21 a year, €209 over ten years.

Power, SDR
50.5 W
Typical 31 W
Running cost
€21 / year
4 h a day
Power, HDR
50.8 W
1.0× SDR

Uses more than most comparable models: 100 % of them need less. Trak Racer TR-M43A, the most efficient alternative on sale, saves about €3 a year. 73% of comparable models reach a better class than G; the most common is F. On-mode power in SDR is 50.5 W; the typical screen of this size draws 31.5 W. Of 15 KTC models in this group, it ranks last.

Where it stands

Rank 1,468 of 1,482 monitors, 32–42″ by yearly consumption. 1,467 use less.

Median 46 This model · 74 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. F Ad notam DFU-0420-071 72 kWh −€0.62
  2. G KTC H32S25E 73 kWh −€0.20
  3. G KTC G42P5 74 kWh
  4. F Gigabyte AORUS FO42U 76 kWh +€0.62
  5. G Asus PG42UQ 77 kWh +€0.85
See the full ranking

What it will cost you

Period G42P5 TR-M43A Difference
1 year €21 €18 −€3
5 years €104 €88 −€17
10 years €209 €175 −€33
15 years €313 €263 −€50

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 50.5 W
HDR 50.8 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 37 €10
4 hours a day 74 €21
8 hours a day 147 €42

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
G KTC G42P5 (this model)
42″50.5 74 — —
42″42.4 62 €3 €33
42″45.0 66 €2 €23
42″45.3 66 €2 €22

Label and product sheet

Energy class SDR / HDR
G / G
On-mode power SDR
50.5 W
On-mode power HDR
50.8 W
Standby / networked standby
0.3 W
Screen diagonal
42″
Resolution
3840×2160
Panel
OTHER
Refresh rate
60 Hz
Spare parts (minimum)
7 years

Model numbers and history

Registered by KTC under one model number.

G42P5

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

Questions

How much does the KTC G42P5 cost to run?

At 4 hours a day it uses about 74 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €21 a year, or €209 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 50.8 W instead of 50.5 W, 1.0 times as much. The yearly cost on this page uses SDR, as the label does.