Pentax W80 vs Sony A7 III

Below, we will be reviewing the Pentax W80 and Sony A7 III, one being a Small Sensor Compact and the latter is a Pro Mirrorless by brands Pentax and Sony. There is a crucial difference between the sensor resolutions of the W80 (12MP) and A7 III (24MP) and the W80 (1/2.3") and A7 III (Full frame) come with totally different sensor dimensions.

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The W80 was launched 9 years prior to the A7 III and that is quite a serious gap as far as tech is concerned. Each of the cameras come with different body type with the Pentax W80 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go straight into a complete comparison, below is a short summation of how the W80 matches up versus the A7 III with regards to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Pentax Optio W80 and Sony Alpha A7 III. The complete galleries are viewable at Pentax W80 Gallery and Sony A7 III Gallery.

For anybody who is aiming to lug around your camera, you need to consider its weight and size. The Pentax W80 provides external measurements of 100mm x 56mm x 25mm (3.9" x 2.2" x 1.0") along with a weight of 156 grams (0.34 lbs) whilst the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Check the Pentax W80 and Sony A7 III in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilising at that time. Here is the front view dimension comparison of the W80 and the A7 III.

Taking into consideration size and weight, the portability grade of the W80 and A7 III is 94 and 63 respectively.

Oftentimes, its tough to see the gap between sensor measurements simply by reading through a spec sheet. The visual below should provide you a far better sense of the sensor measurements in the W80 and A7 III.

As you can see, both cameras have got different resolutions and different sensor measurements. The W80 because of its tinier sensor will make getting shallow DOF more challenging and the Sony A7 III will resolve more detail utilizing its extra 12MP. Higher resolution will also make it easier to crop pictures much more aggressively. The older W80 is going to be behind when it comes to sensor innovation.