Pentax I-10 vs Sony A7R IV

Its time to take a deeper look at the Pentax I-10 and Sony A7R IV, one is a Small Sensor Compact and the latter is a Pro Mirrorless by rivals Pentax and Sony. There exists a sizeable gap among the image resolutions of the I-10 (12MP) and A7R IV (61MP) and the I-10 (1/2.3") and A7R IV (Full frame) use totally different sensor sizes.

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The I-10 was introduced 10 years prior to the A7R IV which is a fairly large gap as far as camera technology is concerned. Both of the cameras come with different body type with the Pentax I-10 being a Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before going through a more detailed comparison, below is a brief summation of how the I-10 matches up against the A7R IV with regards to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Pentax Optio I-10 and Sony Alpha A7R IV. The whole galleries are available at Pentax I-10 Gallery and Sony A7R IV Gallery.

In case you're intending to carry around your camera, you need to think about its weight and volume. The Pentax I-10 features physical measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") accompanied by a weight of 153 grams (0.34 lbs) whilst the Sony A7R IV has sizing of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

Contrast the Pentax I-10 and Sony A7R IV in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with during that time. Here is the front view scale comparison of the I-10 compared to the A7R IV.

Taking into account dimensions and weight, the portability score of the I-10 and A7R IV is 93 and 62 respectively.

Typically, it is hard to see the difference in sensor sizes simply by checking out technical specs. The image below should provide you a greater sense of the sensor sizing in the I-10 and A7R IV.

As you have seen, both cameras posses different megapixel count and different sensor sizes. The I-10 using its smaller sensor will make achieving shallow depth of field trickier and the Sony A7R IV will provide greater detail using its extra 49MP. Higher resolution will help you crop shots somewhat more aggressively. The more aged I-10 will be disadvantaged with regard to sensor innovation.