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Kefeya KE-S1 Monitor vs VisionOwl Y1

The VisionOwl Y1 uses 6 kWh less a year, about €2 a year at the EU average price.

Kefeya KE-S1 MonitorVisionOwl Y1
Energy classAA
Annual consumption10.9 kWh5 kWh
Running cost (EU avg.)€3/year€1/year
Typemonitormonitor
Screen size14″16″
Screen size25 cm39.7 cm
Resolution1920×1080 px1920×1080 px
PanelLCDLED LCD
Refresh rate60 Hz60 Hz
Power in SDR mode5 W2.3 W
Power in HDR mode5 W3.4 W
Energy class (HDR)AA
Standby0.1 W0.2 W
Networked standby0 W0 W
Automatic brightness controlNoNo
Software updates for at least5 years—
Spare parts for at least1 years—
Model numbersKE-S1 Monitor, KE-S2 MonitorY1, V15FT, Y2, V-D15F

Highlighted cells are better on that measure. Source: EU energy label register (EPREL); values as declared by the suppliers.