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. On the other hand, Panasonic ZS70 has a
20.0MP (1/2. ) sized BSI-CMOS sensor and features Venus Engine processor.
Below you can see the Galaxy Camera 2 and ZS70 sensor size comparison.
As seen above, Samsung Galaxy Camera 2 has a infx Larger sensor area than Panasonic ZS70. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.