Pentax X-5 vs Sony A7R III

Following is a extensive analysis of the Pentax X-5 vs Sony A7R III, former is a Small Sensor Superzoom while the latter is a Pro Mirrorless by rivals Pentax and Sony. There is a substantial difference between the resolutions of the X-5 (16MP) and A7R III (42MP) and the X-5 (1/2.3") and A7R III (Full frame) use different sensor sizing.

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The X-5 was unveiled 6 years prior to the A7R III which is quite a big difference as far as tech is concerned. Both cameras come with different body type with the Pentax X-5 being a SLR-like (bridge) camera and the Sony A7R III being a SLR-style mirrorless camera.

Before going in to a in-depth comparison, below is a concise view of how the X-5 grades vs the A7R III when considering portability, imaging, features and an overall score.

The following is a preview of the gallery images for Pentax X-5 & Sony Alpha A7R III. The full galleries are available at Pentax X-5 Gallery & Sony A7R III Gallery.

For anybody who is going to carry around your camera, you will have to factor its weight and measurements. The Pentax X-5 provides external measurements of 119mm x 86mm x 107mm (4.7" x 3.4" x 4.2") having a weight of 595 grams (1.31 lbs) while the Sony A7R III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Check out the Pentax X-5 vs Sony A7R III in our brand new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary depending on the lens you have attached at the time. The following is the front view overall size comparison of the X-5 compared to the A7R III.

Looking at size and weight, the portability rating of the X-5 and A7R III is 65 and 63 respectively.

In many cases, it is tough to imagine the gap between sensor sizes only by looking at specs. The pic here should give you a clearer sense of the sensor sizing in the X-5 and A7R III.

As you can plainly see, both of these cameras have got different megapixels and different sensor sizes. The X-5 with its tinier sensor is going to make shooting bokeh more challenging and the Sony A7R III will give you extra detail having an extra 26 Megapixels. Higher resolution will also help you crop shots much more aggressively. The more aged X-5 is going to be disadvantaged when it comes to sensor tech.