The Ricoh GR IV is 4.5 mm narrower, 4.7 mm shorter and 13 g heavier than the OM System Tough TG-7, and as deep.
| OM System Tough TG-7 | Ricoh GR IV | |
|---|---|---|
| Size (W × H × D) | 113.9 × 65.8 × 32.7 mm | 109.4 × 61.1 × 32.7 mm |
| Weight | 249 g | 262 g |
| Lens | Fixed lens | Fixed lens |
| Sensor | 1/2.3" | APS-C |
| Announced | 2023 | 2025 |