Below you can see the front view size comparison of Nikon D5300 and Olympus E-M5 II. Olympus E-M5 II is clearly the smaller of the two cameras. Its body is 1mm narrower, 13mm shorter and 31mm thinner than Nikon D5300.
Nikon D5300 vs Olympus E-M5 II - Front View
Nikon D5300 vs Olympus E-M5 II - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
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