Monitors · 27″ · 1920×1080 · LED LCD

Koorui 27E6CA

Uses less electricity than 37% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €9 a year, €87 over ten years.

Power, SDR: 21.0 W; Typical 21 W
Running cost: €9 / year; 4 h a day
Power, HDR: 26.0 W; 1.2× SDR

Near the middle of its group: 3 % above the typical 30 kWh. Class E is the most common class in this group (49% of models). In HDR it draws 26.0 W, 1.2 times its SDR power. Koorui has 80 models in this group; this one is number 30 among them. Registered in Jul 2026, one of the newer models in its group.

Where it stands

Rank 2,468 of 4,819 monitors, 24–31″ by yearly consumption. 2,467 use less.

Next to it in the ranking

AOC Q27G42XNE 31 kWh same
Novadek 2K-27HQ-1119 31 kWh same
Koorui 27E6CA 31 kWh
AOC C27G42ZE 31 kWh same
AOC C27G4Z2 31 kWh same

See the full ranking

What it will cost you

Period	27E6CA	TG-S10 PRO	Difference
1 year	€9	€2	−€7
5 years	€43	€11	−€33
10 years	€87	€22	−€65
15 years	€130	€32	−€98

Is the more efficient model worth its price?

Price · 27E6CA Price · TG-S10 PRO

Years of use

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

Power in SDR and HDR

SDR 21.0 W

HDR 26.0 W

Group median, SDR 20.5 W

Cost by viewing time

Use	kWh / yr	€ / yr
2 hours a day	15	€4
4 hours a day	31	€9
8 hours a day	61	€17

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
Koorui 27E6CA (this model)	27″	21.0	31	—	—
Teamgee TG-S10 PRO compare	28″	5.2	8	€7	€65
Changhong audio-visual electronic products M-27LKF1Q165 compare	27″	7.0	10	€6	€58
Philips 27B2G5200 compare	27″	7.0	10	€6	€58
Changhong audio-visual electronic products M-27LFK4P60 compare	27″	7.0	10	€6	€58
Dusun UP27001,UP27002,UP27003,UP27004,UP27005 compare	27″	8.0	12	€5	€54

Label and product sheet

Energy class SDR / HDR: E / F
On-mode power SDR: 21.0 W
On-mode power HDR: 26.0 W
Standby / networked standby: 0.5 W
Screen diagonal: 27″
Resolution: 1920×1080
Panel: LED LCD
Refresh rate: 60 Hz
Software updates (minimum): 8 years
Guarantee (supplier): 3 years
Spare parts (minimum): 7 years

Model numbers and history

Registered by Koorui under one model number.

27E6CA

15 July 2026 First published in the EU register (EPREL)
16 July 2026 Placed on the EU market

Questions

How much does the Koorui 27E6CA cost to run?

At 4 hours a day it uses about 31 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €9 a year, or €87 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 26.0 W instead of 21.0 W, 1.2 times as much. The yearly cost on this page uses SDR, as the label does.