noun
low power consumption
Technical term used in computing and electronics to describe devices or components that use little electricity.
このプロセッサは低消費電力が特徴です。
This processor features low power consumption.
低消費電力のデバイスを選ぶとバッテリーが長持ちします。
Choosing a low-power device makes the battery last longer.
省電力 means 'power saving' and emphasizes the action or feature of saving energy, while 低消費電力 simply states that consumption is low.
Compound of 低 (low), 消費 (consumption), and 電力 (electric power).