The Panasonic Lumix DMC-GH3 is 23.1 mm wider, 29.2 mm taller, 48.2 mm deeper and 281 g heavier than the Olympus PEN E-PM2.
| Olympus PEN E-PM2 | Panasonic Lumix DMC-GH3 | |
|---|---|---|
| Size (W × H × D) | 109.8 × 64.2 × 33.8 mm | 132.9 × 93.4 × 82 mm |
| Weight | 269 g | 550 g |
| Lens | Micro Four Thirds | Micro Four Thirds |
| Sensor | Four Thirds | Four Thirds |
| Announced | 2012 | 2012 |