The Panasonic Lumix DMC-3D1 is 11.5 mm wider, 2.5 mm shorter, 4.9 mm thinner and 36 g heavier than the Nikon Coolpix L20.
| Nikon Coolpix L20 | Panasonic Lumix DMC-3D1 | |
|---|---|---|
| Size (W × H × D) | 96.5 × 61 × 29 mm | 108 × 58.5 × 24.1 mm |
| Weight | 135 g | 171 g |
| Lens | Fixed lens | Fixed lens |
| Sensor | 1/2.33" | 1/2.3" |
| Announced | 2009 | 2011 |