Below you can see the front view size comparison of Olympus E-PM1 and Olympus E-PM2.
Olympus E-PM1 vs Olympus E-PM2 - Front View
Olympus E-PM1 vs Olympus E-PM2 - 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