The Olympus E-3 is 18.5 mm wider, 32.9 mm taller, 0.5 mm deeper and 462 g heavier than the Panasonic Lumix DMC-G2.
| Panasonic Lumix DMC-G2 | Olympus E-3 | |
|---|---|---|
| Size (W × H × D) | 124 × 83.6 × 74 mm | 142.5 × 116.5 × 74.5 mm |
| Weight | 428 g | 890 g |
| Lens | Micro Four Thirds | Four Thirds |
| Sensor | Four Thirds | Four Thirds |
| Announced | 2010 | 2007 |