Compact body of Leica C-Lux makes it much easier to carry it with you all day. 15.0X Optical Zoom
15.0X Optical Zoom of Leica C-Lux will give you a lot of flexibility considering this will be your only camera during the day. 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.
Average sized 1 sensor
Leica C-Lux's 1 sensor size is ideal for many street photographers as it provides a good level of low-light performance and depth of field control while keeping the camera body small.
Carrying this weight all day may not be very comfortable for you. Body Thickness 46mm
With a thickness of 46mm,Leica C-Lux is not a pocketable camera for sure.