Ricoh GR III vs Sony a5100

Its time to examine more closely at the Ricoh GR III and Sony a5100, former being a Large Sensor Compact while the latter is a Entry-Level Mirrorless by brands Ricoh and Sony. The resolution of the GR III (24MP) and the a5100 (24MP) is pretty similar and they come with the same exact sensor dimensions (APS-C).

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The GR III was unveiled 4 years later than the a5100 and that is quite a sizable difference as far as tech is concerned. Both of these cameras offer different body type with the Ricoh GR III being a Large Sensor Compact camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before going straight into a in-depth comparison, below is a short view of how the GR III scores versus the a5100 in regards to portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Ricoh GR III & Sony Alpha a5100. The full galleries are provided at Ricoh GR III Gallery & Sony a5100 Gallery.

For those who are going to lug around your camera often, you'll have to think about its weight and dimensions. The Ricoh GR III features physical dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") with a weight of 257 grams (0.57 lbs) and the Sony a5100 has dimensions of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") and a weight of 283 grams (0.62 lbs).

Check out the Ricoh GR III and Sony a5100 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ based on the lens you are using during that time. Here is the front view dimensions comparison of the GR III against the a5100.

Using size and weight, the portability grade of the GR III and a5100 is 90 and 89 respectively.

In many cases, it can be difficult to picture the difference between sensor measurements simply by reading specifications. The graphic underneath may offer you a better sense of the sensor sizes in the GR III and a5100.

Plainly, each of the cameras offer the same exact sensor sizing and the same exact MP and you can expect similar quality of files although you might want to take the launch date of the products into consideration. The more modern GR III should have a benefit with regard to sensor tech.