Monitors · 45″ · 3440×1440 · OLED

LG 45GX900A

Uses less electricity than 76% of the 335 monitors, 43–54″ on the EU register. At your selected price (European Union) that is €17 a year, €168 over ten years.

Power, SDR: 40.7 W; Typical 45 W
Running cost: €17 / year; 4 h a day
Power, HDR: 38.7 W; 1.0× SDR

In the most efficient quarter of its group: 10 % below the typical 66 kWh. Class F is the most common class in this group (47% of models). On-mode power in SDR is 40.7 W; the typical screen of this size draws 45.0 W. LG has 34 models in this group; this one is number 4 among them.

Where it stands

Rank 80 of 335 monitors, 43–54″ by yearly consumption. 79 use less.

Next to it in the ranking

Ernitec 0070-24143-PVMIP 59 kWh −€0.20
Z Z-Edge UG49P 59 kWh −€0.03
LG 45GX900A 59 kWh
Great voell Q49B5D 60 kWh +€0.06
CronusPro Q49B4D 60 kWh +€0.06

See the full ranking

What it will cost you

Period	45GX900A	FT-Squ-454WTA01-700	Difference
1 year	€17	€4	−€13
5 years	€84	€18	−€66
10 years	€168	€36	−€133
15 years	€252	€54	−€199

Is the more efficient model worth its price?

Price · 45GX900A Price · FT-Squ-454WTA01-700

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

SDR 40.7 W

HDR 38.7 W

Group median, SDR 45.0 W

Cost by viewing time

Use	kWh / yr	€ / yr
2 hours a day	30	€8
4 hours a day	59	€17
8 hours a day	119	€34

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model	Size	SDR W	kWh / yr	Saves / year	in 10 years
LG 45GX900A (this model)	45″	40.7	59	—	—
Fink Tech FT-Squ-454WTA01-700 compare	45″	8.6	13	€13	€133
Screenmate M401 compare	44″	16.6	24	€10	€100
Ernitec 0070-24346 compare	46″	17.5	26	€10	€96
Eneo VM-FHD46VW compare	46″	17.5	26	€10	€96
Innocn 45E3R compare	45″	31.6	46	€4	€38

Label and product sheet

Energy class SDR / HDR: F / E
On-mode power SDR: 40.7 W
On-mode power HDR: 38.7 W
Standby / networked standby: 0.5 W
Screen diagonal: 45″
Resolution: 3440×1440
Panel: OLED
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.

45GX900A

7 April 2025 First published in the EU register (EPREL)
7 April 2025 Placed on the EU market

Questions

How much does the LG 45GX900A cost to run?

At 4 hours a day it uses about 59 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 €168 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 38.7 W instead of 40.7 W, 1.0 times as much. The yearly cost on this page uses SDR, as the label does.