The Olympus PEN E-P3 is 2 mm narrower, 20.5 mm shorter, 41.5 mm thinner and 75 g lighter than the Panasonic Lumix DMC-GH2.
| Panasonic Lumix DMC-GH2 | Olympus PEN E-P3 | |
|---|---|---|
| Size (W × H × D) | 124 × 89.6 × 75.8 mm | 122 × 69.1 × 34.3 mm |
| Weight | 444 g | 369 g |
| Lens | Micro Four Thirds | Micro Four Thirds |
| Sensor | Four Thirds | Four Thirds |
| Announced | 2010 | 2011 |