Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Sony WX300 and Sony RX100 side-by-side from the front, back and top in their relative dimensions. Sony WX300 has external dimensions of 96 x 55 x 25 mm (3.78 x 2.16 x 0.98″) and weighs 166 g (0.37 lb / 5.86 oz) (including batteries). Sony RX100 has external dimensions of 102 x 58 x 36 mm (4 x 2.29 x 1.41″) and weighs 240 g (0.53 lb / 8.47 oz) (including batteries).
Below you can see the front-view size comparison of the Sony WX300 and the Sony RX100. Sony WX300 is clearly the smaller of the two cameras. Its body is 6mm narrower, 3mm shorter and 11mm thinner than Sony RX100.
Now lets look at the top view comparison of Sony WX300 and Sony RX100.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony WX300 is significantly lighter (74g ) than the Sony RX100 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Sony Cyber-shot DSC-WX300 nor Sony Cyber-shot DSC-RX100 provides any type of weather sealing in their bodies, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Sony WX300 and Sony RX100's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.