Nikon L120 has a
14.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor and features Expeed C2 processor. On the other hand, Samsung Galaxy Camera 2 has a
16.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized BSI-CMOS sensor and features 1.6GHz Quad-Core Exynos processor.
Below you can see the L120 and Galaxy Camera 2 sensor size comparison.
Nikon L120 and Samsung Galaxy Camera 2 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 Nikon L120 has 14% larger pixel area compared to Samsung Galaxy Camera 2, it has potential to collect more light on pixel level hence have less noise in low light / High ISO images.