Pentax K-x vs Sony A7 III

Here, we will be contrasting the Pentax K-x versus Sony A7 III, one being a Entry-Level DSLR and the latter is a Pro Mirrorless by manufacturers Pentax and Sony. There exists a crucial gap among the sensor resolutions of the K-x (12MP) and A7 III (24MP) and the K-x (APS-C) and A7 III (Full frame) have different sensor measurements.

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The K-x was launched 9 years prior to the A7 III and that is a fairly serious gap as far as camera technology is concerned. Both of the cameras feature different body design with the Pentax K-x being a Compact SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving into a full comparison, here is a short synopsis of how the K-x matches up vs the A7 III in terms of portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax K-x and Sony Alpha A7 III. The complete galleries are provided at Pentax K-x Gallery and Sony A7 III Gallery.

If you are looking to carry your camera regularly, you need to factor in its weight and measurements. The Pentax K-x enjoys physical dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) whilst the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

See the Pentax K-x versus Sony A7 III in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with during that time. Here is a front view over all size comparison of the K-x and the A7 III.

Factoring in dimensions and weight, the portability score of the K-x and A7 III is 69 and 63 respectively.

Typically, it can be hard to imagine the contrast in sensor sizing merely by checking out specs. The graphic below may offer you a stronger sense of the sensor sizes in the K-x and A7 III.

As you can plainly see, both of these cameras come with different megapixels and different sensor sizing. The K-x because of its smaller sensor is going to make shooting shallower depth of field tougher and the Sony A7 III will show more detail utilizing its extra 12MP. Higher resolution can also help you crop photographs a good deal more aggressively. The older K-x will be behind in sensor innovation.