Compact body of Sony RX1R II makes it much easier to carry it with you all day. Large Full frame (35.9 x 24 mm) sensor
Large sensor in Sony RX1R II ensures a good low light image quality compared to smaller sensor, and it also provide shallow depth of field and a nice blurry background when needed. RAW shooting capability
RAW files contains much more color information compared to JPEGs, and gives you more room for post processing without significant quality loss. They provide wider dynamic range and option to recover shadow and highlight clipping to some degree.
Carrying this weight all day may not be very comfortable for you. Body Thickness 72mm
With a thickness of 72mm,Sony RX1R II is not a pocketable camera for sure.