The Nikon Coolpix P7800 is 2.2 mm wider, 0.6 mm taller, 2.4 mm deeper and 4 g heavier than the Nikon Coolpix P7100.
| Nikon Coolpix P7100 | Nikon Coolpix P7800 | |
|---|---|---|
| Size (W × H × D) | 116.3 × 76.9 × 48 mm | 118.5 × 77.5 × 50.4 mm |
| Weight | 395 g | 399 g |
| Lens | Fixed lens | Fixed lens |
| Sensor | 1/1.7" | 1/1.7" |
| Announced | 2011 | 2013 |