The Olympus E-620 is 8 mm wider, 24.9 mm taller, 25.7 mm deeper and 152 g heavier than the Olympus PEN E-P3.
| Olympus PEN E-P3 | Olympus E-620 | |
|---|---|---|
| Size (W × H × D) | 122 × 69.1 × 34.3 mm | 130 × 94 × 60 mm |
| Weight | 369 g | 521 g |
| Lens | Micro Four Thirds | Four Thirds |
| Sensor | Four Thirds | Four Thirds |
| Announced | 2011 | 2009 |