Samsung states that there is an improved emitter material in the OLED display, which is probably responsible for the relatively low impact of the QHD display.
http://www.anandtech.com/show/8314/galaxy-s5-ltea-battery-life-performance
Samsung states that there is an improved emitter material in the OLED display, which is probably responsible for the relatively low impact of the QHD display.
http://www.anandtech.com/show/8314/galaxy-s5-ltea-battery-life-performance