Panasonic GH3 vs Ricoh GR III

Let's look a little more in depth at the Panasonic GH3 and Ricoh GR III, former being a Advanced Mirrorless while the other is a Large Sensor Compact by companies Panasonic and Ricoh. There is a substantial difference among the sensor resolutions of the GH3 (16MP) and GR III (24MP) and the GH3 (Four Thirds) and GR III (APS-C) have totally different sensor sizing.

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The GH3 was revealed 7 years earlier than the GR III and that is a fairly big difference as far as camera tech is concerned. Both cameras have different body design with the Panasonic GH3 being a SLR-style mirrorless camera and the Ricoh GR III being a Large Sensor Compact camera.

Before we go into a in-depth comparison, here is a brief highlight of how the GH3 grades against the GR III when considering portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Panasonic Lumix DMC-GH3 & Ricoh GR III. The full galleries are available at Panasonic GH3 Gallery & Ricoh GR III Gallery.

When you are looking to carry your camera frequently, you will need to factor its weight and size. The Panasonic GH3 provides outer measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") having a weight of 550 grams (1.21 lbs) whilst the Ricoh GR III has specifications of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") with a weight of 257 grams (0.57 lbs).

Take a look at the Panasonic GH3 and Ricoh GR III in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ dependant on the lens you select at the time. Here is a front view dimensions comparison of the GH3 against the GR III.

Looking at size and weight, the portability rating of the GH3 and GR III is 66 and 90 respectively.

Often, it is difficult to see the contrast in sensor sizing merely by researching specifications. The graphic here should offer you a stronger sense of the sensor measurements in the GH3 and GR III.

To sum up, each of the cameras provide different resolutions and different sensor sizing. The GH3 having a smaller sensor will make shooting shallow DOF tougher and the Ricoh GR III will provide you with extra detail because of its extra 8MP. Greater resolution will also help you crop photos more aggressively. The older GH3 will be behind when it comes to sensor technology.