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

Monitors · 40″ · 3440×1440 · LED LCD

LC-Power LC-M40-UWQHD-144

G

Uses less electricity than 4% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €17 a year, €165 over ten years.

Power, SDR
40.0 W
Typical 31 W
Running cost
€17 / year
4 h a day
Power, HDR
68.7 W
1.7× SDR

Uses more than most comparable models: 96 % of them need less. ShenzhenGuoruitongTechnologyCoLtd G156F, the most efficient alternative on sale, saves about €14 a year. 73% of comparable models reach a better class than G; the most common is F. In HDR it draws 68.7 W, 1.7 times its SDR power. LC-Power has 18 models in this group; this one is number 17 among them. On the register since 2021 and still on sale.

Where it stands

Rank 1,407 of 1,482 monitors, 32–42″ by yearly consumption. 1,406 use less.

Median 46 This model · 58 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. G Voxicon D32QOE 58 kWh same
  2. G Mission SG MF34144UWQHD 58 kWh same
  3. G LC-Power LC-M40-UWQHD-144 58 kWh
  4. G iiyama XUB3493WQSU-B1 58 kWh same
  5. G ViewSonic VS17550 58 kWh same
See the full ranking

What it will cost you

Period LC-M40-UWQHD-144 G156F Difference
1 year €17 €3 −€14
5 years €83 €13 −€70
10 years €165 €26 −€139
15 years €248 €39 −€209

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 40.0 W
HDR 68.7 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 29 €8
4 hours a day 58 €17
8 hours a day 117 €33

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 LC-Power LC-M40-UWQHD-144 (this model)
40″40.0 58 — —
C ShenzhenGuoruitongTechnologyCoLtd G156F compare
40″6.3 9 €14 €139
C Hannspree HL162CPB(HSG1444) compare
40″7.4 11 €13 €135
A ShiJiRongLi Technology Development X90G compare
39″15.7 23 €10 €101
D Hannspree HL400UPB(HSG1467) compare
40″29.0 42 €5 €46
E Uswing YXW3980 compare
40″31.0 45 €4 €37

Label and product sheet

Energy class SDR / HDR
G / G
On-mode power SDR
40.0 W
On-mode power HDR
68.7 W
Standby / networked standby
0.5 W
Screen diagonal
40″
Resolution
3440×1440
Panel
LED LCD
Refresh rate
144 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
3 years
Spare parts (minimum)
8 years

Model numbers and history

Registered by LC-Power under one model number.

LC-M40-UWQHD-144

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

Questions

How much does the LC-Power LC-M40-UWQHD-144 cost to run?

At 4 hours a day it uses about 58 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €17 a year, or €165 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 68.7 W instead of 40.0 W, 1.7 times as much. The yearly cost on this page uses SDR, as the label does.