The Leica SL3-S is 24.1 mm wider, 40 mm taller, 43.7 mm deeper and 388 g heavier than the Olympus PEN E-PL9.
| Olympus PEN E-PL9 | Leica SL3-S | |
|---|---|---|
| Size (W × H × D) | 117.1 × 68 × 39 mm | 141.2 × 108 × 82.7 mm |
| Weight | 380 g | 768 g |
| Lens | Micro Four Thirds | L-Mount |
| Sensor | Four Thirds | — |
| Announced | 2018 | 2025 |