Ricoh GR III vs Sony A9

Below, we are contrasting the Ricoh GR III and Sony A9, one being a Large Sensor Compact and the other is a Pro Mirrorless by rivals Ricoh and Sony. The sensor resolution of the GR III (24MP) and the A9 (24MP) is very comparable but the GR III (APS-C) and A9 (Full frame) possess different sensor sizes.

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The GR III was launched 18 months later than the A9 making the cameras a generation apart from each other. Both the cameras come with different body type with the Ricoh GR III being a Large Sensor Compact camera and the Sony A9 being a SLR-style mirrorless camera.

Before delving in to a complete comparison, below is a quick summation of how the GR III scores versus the A9 in terms of portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Ricoh GR III and Sony Alpha A9. The complete galleries are available at Ricoh GR III Gallery and Sony A9 Gallery.

If you are intending to carry your camera regularly, you should take into account its weight and proportions. The Ricoh GR III has got external dimensions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") having a weight of 257 grams (0.57 lbs) and the Sony A9 has measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") along with a weight of 673 grams (1.48 lbs).

Check the Ricoh GR III and Sony A9 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you have during that time. Underneath is the front view measurements comparison of the GR III versus the A9.

Factoring in size and weight, the portability rating of the GR III and A9 is 90 and 65 respectively.

Generally, it's tough to picture the gap in sensor sizing only by going through specs. The photograph here will help offer you a stronger sense of the sensor dimensions in the GR III and A9.

As you can plainly see, both the cameras have got the exact same MP but different sensor sizing. The GR III contains the smaller sensor which will make achieving shallower depth of field harder. The fresher GR III provides an edge in sensor innovation.