Panasonic ZR3 vs Sony A7R III

In this write-up, we are reviewing the Panasonic ZR3 and Sony A7R III, former is a Small Sensor Compact while the other is a Pro Mirrorless by brands Panasonic and Sony. There exists a noticeable gap between the resolutions of the ZR3 (14MP) and A7R III (42MP) and the ZR3 (1/2.3") and A7R III (Full frame) feature different sensor sizing.

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The ZR3 was manufactured 8 years before the A7R III which is quite a sizable difference as far as technology is concerned. The two cameras offer different body type with the Panasonic ZR3 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before going straight into a thorough comparison, below is a quick overview of how the ZR3 scores vs the A7R III in relation to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Panasonic Lumix DMC-ZR3 & Sony Alpha A7R III. The entire galleries are provided at Panasonic ZR3 Gallery & Sony A7R III Gallery.

If you're going to travel with your camera often, you need to factor in its weight and volume. The Panasonic ZR3 offers outside dimensions of 98mm x 55mm x 26mm (3.9" x 2.2" x 1.0") accompanied by a weight of 159 grams (0.35 lbs) and the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).

Analyze the Panasonic ZR3 and Sony A7R III in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you use during that time. Here is the front view proportions comparison of the ZR3 and the A7R III.

Looking at dimensions and weight, the portability grade of the ZR3 and A7R III is 94 and 63 respectively.

Normally, it is difficult to visualize the difference between sensor dimensions merely by reading specs. The image here will provide you a better sense of the sensor dimensions in the ZR3 and A7R III.

All in all, both the cameras offer different resolutions and different sensor dimensions. The ZR3 because of its tinier sensor is going to make shooting shallow depth of field tougher and the Sony A7R III will offer you extra detail due to its extra 28MP. Greater resolution will also allow you to crop photos a little more aggressively. The more aged ZR3 is going to be behind when it comes to sensor innovation.