Ricoh WG-M1 has a
14.0MP 1/2.3 (6.17 x 4.55 mm ) sized CMOS sensor . On the other hand, Nikon W300 has a
16.0MP 1/2.3 (6.17 x 4.55 mm ) sized sensor .
Below you can see the WG-M1 and W300 sensor size comparison.
Sensor Size and Resolution Comparison image of Ricoh WG-M1 and Nikon W300 Cameras
Ricoh WG-M1 and Nikon W300 have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture. On the other hand, since Ricoh WG-M1 has 14% larger pixel area compared to Nikon W300, it has potential to collect more light on pixel level hence have less noise in low light / High ISO images.
Sensor size sets the circle of confusion, so it drives how much depth of field each
of these bodies gives you at a given aperture. You can calculate it exactly for the
Ricoh WG-M1
or the
Nikon W300 ,
including hyperfocal distance.