EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 35″ · 3440×1440 · LED LCD

LG 35WN73A

G

Uses less electricity than 3% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €17 a year, €170 over ten years.

Power, SDR
41.2 W
Typical 31 W
Running cost
€17 / year
4 h a day
Power, HDR
40.7 W
1.0× SDR

Uses more than most comparable models: 97 % of them need less. LXZ LX34 ZA, the most efficient alternative on sale, saves about €15 a year. 73% of comparable models reach a better class than G; the most common is F. On-mode power in SDR is 41.2 W; the typical screen of this size draws 31.5 W. LG has 244 models in this group; this one is number 237 among them. On the register since 2021 and still on sale.

Where it stands

Rank 1,432 of 1,482 monitors, 32–42″ by yearly consumption. 1,431 use less.

Median 46 This model · 60 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. G Philips 40B1U5601H 60 kWh −€0.08
  2. G Aopen 40XV1CU 60 kWh −€0.08
  3. G LG 35WN73A 60 kWh
  4. G Samsung S40H850TAU 61 kWh +€0.20
  5. G LG 38GN950 61 kWh +€0.28
See the full ranking

What it will cost you

Period 35WN73A LX34 ZA Difference
1 year €17 €2 −€15
5 years €85 €12 −€73
10 years €170 €24 −€147
15 years €256 €35 −€220

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 41.2 W
HDR 40.7 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 30 €9
4 hours a day 60 €17
8 hours a day 120 €34

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 LG 35WN73A (this model)
35″41.2 60 — —
34″5.7 8 €15 €147
34″5.7 8 €15 €147
34″8.0 12 €14 €137
34″15.9 23 €10 €105
34″20.0 29 €9 €88

Label and product sheet

Energy class SDR / HDR
G / G
On-mode power SDR
41.2 W
On-mode power HDR
40.7 W
Standby / networked standby
0.5 W
Screen diagonal
35″
Resolution
3440×1440
Panel
LED LCD
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
1 years
Spare parts (minimum)
8 years

Model numbers and history

Registered by LG under one model number.

35WN73A

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

Questions

How much does the LG 35WN73A cost to run?

At 4 hours a day it uses about 60 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 €170 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 40.7 W instead of 41.2 W, 1.0 times as much. The yearly cost on this page uses SDR, as the label does.