Olympus TG-320 vs Ricoh GR Digital III

Here is a detailed comparison of the Olympus TG-320 and Ricoh GR Digital III, one being a Waterproof and the latter is a Small Sensor Compact by competitors Olympus and Ricoh. There is a huge difference among the image resolutions of the TG-320 (14MP) and GR Digital III (10MP) and the TG-320 (1/2.3") and GR Digital III (1/1.7") have different sensor sizes.

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The TG-320 was revealed 2 years later than the GR Digital III and that is a fairly significant gap as far as camera tech is concerned. Both the cameras feature the same body design (Compact).

Before getting straight to a detailed comparison, here is a simple synopsis of how the TG-320 grades versus the GR Digital III for portability, imaging, features and an overall rating.

This is a preview of the gallery images for Olympus TG-320 and Ricoh GR Digital III. The full galleries are provided at Olympus TG-320 Gallery and Ricoh GR Digital III Gallery.

For anybody who is planning to carry your camera, you'll have to consider its weight and measurements. The Olympus TG-320 features external measurements of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") accompanied by a weight of 155 grams (0.34 lbs) whilst the Ricoh GR Digital III has proportions of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") having a weight of 208 grams (0.46 lbs).

Compare the Olympus TG-320 and Ricoh GR Digital III in the new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you are utilizing at that moment. Here is a front view proportions comparison of the TG-320 compared to the GR Digital III.

Using size and weight, the portability grade of the TG-320 and GR Digital III is 94 and 92 respectively.

Oftentimes, its difficult to visualize the gap in sensor sizing simply by going through technical specs. The photograph below will offer you a more clear sense of the sensor measurements in the TG-320 and GR Digital III.

As you can tell, both of these cameras feature different megapixel count and different sensor sizing. The TG-320 with its smaller sensor is going to make achieving shallower depth of field harder and the Olympus TG-320 will produce extra detail because of its extra 4MP. Higher resolution will make it easier to crop shots way more aggressively. The fresher TG-320 provides an edge in sensor tech.