Monitors · 27″ · 2560×1440 · OLED

LG 27GX790A

Uses less electricity than 25% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €10 a year, €102 over ten years.

Power, SDR: 24.7 W; Typical 21 W
Running cost: €10 / year; 4 h a day
Power, HDR: 29.8 W; 1.2× SDR

Near the middle of its group: 21 % above the typical 30 kWh. 65% of comparable models reach a better class than F; the most common is E. In HDR it draws 29.8 W, 1.2 times its SDR power. LG has 335 models in this group; this one is number 209 among them.

Where it stands

Rank 3,601 of 4,819 monitors, 24–31″ by yearly consumption. 3,600 use less.

Next to it in the ranking

LG 27GX790B 36 kWh same
Acer XZ273U P2 36 kWh same
LG 27GX790A 36 kWh
Dell S2721QSA 36 kWh same
UNV Technology MW-LC27-F 36 kWh same

See the full ranking

What it will cost you

Period	27GX790A	TG-S10 PRO	Difference
1 year	€10	€2	−€8
5 years	€51	€11	−€40
10 years	€102	€22	−€81
15 years	€153	€32	−€121

Is the more efficient model worth its price?

Price · 27GX790A Price · TG-S10 PRO

Years of use

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

Power in SDR and HDR

SDR 24.7 W

HDR 29.8 W

Group median, SDR 20.5 W

Cost by viewing time

Use	kWh / yr	€ / yr
2 hours a day	18	€5
4 hours a day	36	€10
8 hours a day	72	€20

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 27GX790A (this model)	27″	24.7	36	—	—
Teamgee TG-S10 PRO compare	28″	5.2	8	€8	€81
Changhong audio-visual electronic products M-27LKF1Q165 compare	27″	7.0	10	€7	€73
Philips 27B2G5200 compare	27″	7.0	10	€7	€73
Changhong audio-visual electronic products M-27LFK4P60 compare	27″	7.0	10	€7	€73
Dusun UP27001,UP27002,UP27003,UP27004,UP27005 compare	27″	8.0	12	€7	€69

Label and product sheet

Energy class SDR / HDR: F / G
On-mode power SDR: 24.7 W
On-mode power HDR: 29.8 W
Standby / networked standby: 0.5 W
Screen diagonal: 27″
Resolution: 2560×1440
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.

27GX790A

23 October 2024 First published in the EU register (EPREL)
24 October 2024 Placed on the EU market

Questions

How much does the LG 27GX790A cost to run?

At 4 hours a day it uses about 36 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €10 a year, or €102 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 29.8 W instead of 24.7 W, 1.2 times as much. The yearly cost on this page uses SDR, as the label does.