Below you can see the front view size comparison of Nikon P340 and Olympus E-PL8. Nikon P340 is clearly the smaller of the two cameras. Its body is 12mm narrower, 9mm shorter and 6mm thinner than Olympus E-PL8.
Nikon P340 vs Olympus E-PL8 - Front View
Nikon P340 vs Olympus E-PL8 - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison