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4 monitors side by side.

Country

Hours a day

6 h a day

Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.

Yearly running cost

Bars in proportion to the energy each model uses.

Show only differences

Model	Yeyian YMC-IP434-P2	MSI MAG 346CQ	Acer X34 X0	Ozone OZON G3425 WQHD
Running cost
Running cost (per year)	€37.83	€19.23	€14.64	€15.51
over 10 years	€378 +€232 over 10 years	€192 +€46 over 10 years	€146	€155 +€9 over 10 years
kWh per year	134	67.9	51.7	54.8
kg CO₂e per year from electricity use	28	14	11	11
Specifications
Brand	Yeyian	MSI	Acer	Ozone
Model	YMC-IP434-P2	MAG 346CQ	X34 X0	OZON G3425 WQHD
Energy class	F	F	E	E
Screen size	34″ (87 cm)	34″ (87 cm)	34″ (86.4 cm)	34″ (86.4 cm)
Power in on mode (SDR)	61 W	31 W	23.6 W	25 W
Energy class (HDR)	F	G	G	–
Power in on mode (HDR)	61 W	51 W	34 W	–
Standby	4 W	0.5 W	0.5 W	0.2 W
Networked standby	0.3 W	–	–	0 W
Off mode	0.5 W	0.3 W	0.3 W	0.2 W
Resolution	3440 × 1440	3440 × 1440	3440 × 1440	3440 × 1440
Aspect ratio	21:9	16:9	21:9	32:9
Panel	IPS	LED LCD	LED LCD	LED LCD
Refresh rate	180 Hz	180 Hz	200 Hz	180 Hz
Power supply	External	Internal	Internal	External
Guaranteed support	3 years	3 years	7 years	6 years
Software updates	3 years	8 years	8 years	6 years
Spare parts available	5 years	3 years	7 years	6 years
On the market since	August 12, 2025	January 31, 2025	March 18, 2025	August 22, 2025
EAN	7500619016988	–	–	–
EPREL registration number	2442851	2223008	2343889	2451313

Rows where the models differ are highlighted.