Panasonic FX78 vs Sony A7R III

Following is a thorough assessment of the Panasonic FX78 and Sony A7R III, former is a Small Sensor Compact while the latter is a Pro Mirrorless by competitors Panasonic and Sony. There exists a large gap among the resolutions of the FX78 (12MP) and A7R III (42MP) and the FX78 (1/2.3") and A7R III (Full frame) provide totally different sensor size.

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The FX78 was announced 7 years earlier than the A7R III which is a fairly serious difference as far as camera technology is concerned. Both of these cameras feature different body design with the Panasonic FX78 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before we go straight to a in-depth comparison, here is a quick highlight of how the FX78 matches up against the A7R III for portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Panasonic Lumix DMC-FX78 & Sony Alpha A7R III. The whole galleries are available at Panasonic FX78 Gallery & Sony A7R III Gallery.

For those who are going to carry around your camera frequently, you will need to factor in its weight and size. The Panasonic FX78 has outside dimensions of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") with a weight of 142 grams (0.31 lbs) whilst the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs).

Examine the Panasonic FX78 and Sony A7R III in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary dependant on the lens you choose at that moment. Below is a front view over all size comparison of the FX78 against the A7R III.

Looking at dimensions and weight, the portability grade of the FX78 and A7R III is 95 and 63 respectively.

Quite often, it can be tough to visualise the gap in sensor sizes just by viewing specs. The image here might offer you a clearer sense of the sensor dimensions in the FX78 and A7R III.

All in all, both of the cameras feature different megapixel count and different sensor sizes. The FX78 using its smaller sensor will make achieving bokeh more challenging and the Sony A7R III will result in extra detail with its extra 30 Megapixels. Higher resolution can also make it easier to crop photographs way more aggressively. The more aged FX78 will be behind in sensor innovation.