The Panasonic Lumix DMC-G3 is 27.3 mm narrower, 32.9 mm shorter, 27.8 mm thinner and 510 g lighter than the Olympus E-5.
| Olympus E-5 | Panasonic Lumix DMC-G3 | |
|---|---|---|
| Size (W × H × D) | 142.5 × 116.5 × 74.5 mm | 115.2 × 83.6 × 46.7 mm |
| Weight | 892 g | 382 g |
| Lens | Four Thirds | Micro Four Thirds |
| Sensor | Four Thirds | Four Thirds |
| Announced | 2010 | 2011 |