Ricoh GR III vs Sony A390

In this write-up, we will be evaluating the Ricoh GR III vs Sony A390, former being a Large Sensor Compact while the latter is a Entry-Level DSLR by manufacturers Ricoh and Sony. There is a considerable difference between the sensor resolutions of the GR III (24MP) and A390 (14MP) but they feature the same exact sensor dimensions (APS-C).

Photography Glossary

The GR III was unveiled 8 years later than the A390 and that is quite a large difference as far as tech is concerned. Each of the cameras offer different body type with the Ricoh GR III being a Large Sensor Compact camera and the Sony A390 being a Compact SLR camera.

Before we go through a comprehensive comparison, below is a simple view of how the GR III grades vs the A390 for portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Ricoh GR III & Sony Alpha DSLR-A390. The full galleries are viewable at Ricoh GR III Gallery & Sony A390 Gallery.

For anybody who is planning to carry your camera, you have to factor in its weight and size. The Ricoh GR III offers outside measurements of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") accompanied by a weight of 257 grams (0.57 lbs) and the Sony A390 has specifications of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") having a weight of 549 grams (1.21 lbs).

Take a look at the Ricoh GR III vs Sony A390 in our completely new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary dependant on the lens you are utilising at the time. Underneath is the front view dimensions comparison of the GR III and the A390.

Taking into consideration size and weight, the portability grade of the GR III and A390 is 90 and 66 respectively.

Generally, it is hard to visualize the difference between sensor sizing purely by reading a spec sheet. The graphic below will help give you a clearer sense of the sensor sizing in the GR III and A390.

As you can see, both the cameras enjoy the same exact sensor sizing albeit different MP. You can count on the Ricoh GR III to offer extra detail having an extra 10 Megapixels. Higher resolution can also make it easier to crop photographs far more aggressively. The fresher GR III provides an advantage with regard to sensor innovation.