Pentax I-10 vs Sony A7 III

The following is a in depth overview of the Pentax I-10 vs Sony A7 III, one is a Small Sensor Compact and the other is a Pro Mirrorless by companies Pentax and Sony. There is a crucial difference among the resolutions of the I-10 (12MP) and A7 III (24MP) and the I-10 (1/2.3") and A7 III (Full frame) feature totally different sensor measurements.

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The I-10 was unveiled 9 years prior to the A7 III which is a fairly serious gap as far as camera tech is concerned. Each of these cameras offer different body type with the Pentax I-10 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving in to a complete comparison, below is a quick synopsis of how the I-10 matches up versus the A7 III with regard to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Pentax Optio I-10 and Sony Alpha A7 III. The full galleries are available at Pentax I-10 Gallery and Sony A7 III Gallery.

When you are going to travel with your camera often, you'll have to think about its weight and volume. The Pentax I-10 has exterior measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") with a weight of 153 grams (0.34 lbs) while the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Take a look at the Pentax I-10 vs Sony A7 III in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are using at the time. Following is the front view size comparison of the I-10 compared to the A7 III.

Factoring in size and weight, the portability rating of the I-10 and A7 III is 93 and 63 respectively.

Generally, it's hard to see the difference in sensor dimensions simply by looking through technical specs. The pic below should offer you a stronger sense of the sensor measurements in the I-10 and A7 III.

As you can tell, both of those cameras enjoy different megapixels and different sensor dimensions. The I-10 using its smaller sensor will make shooting shallow depth of field trickier and the Sony A7 III will result in greater detail having an extra 12MP. Greater resolution can also allow you to crop pics far more aggressively. The more aged I-10 will be behind when it comes to sensor technology.