Pentax X-5 vs Sony A7S III

The following is a in depth review of the Pentax X-5 and Sony A7S III, former is a Small Sensor Superzoom while the other is a Pro Mirrorless by rivals Pentax and Sony. There exists a sizable gap between the resolutions of the X-5 (16MP) and A7S III (12MP) and the X-5 (1/2.3") and A7S III (Full frame) offer totally different sensor size.

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The X-5 was unveiled 9 years earlier than the A7S III which is quite a significant difference as far as technology is concerned. Both the cameras have different body design with the Pentax X-5 being a SLR-like (bridge) camera and the Sony A7S III being a SLR-style mirrorless camera.

Before going right into a detailed comparison, here is a short synopsis of how the X-5 grades vs the A7S III when considering portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Pentax X-5 & Sony Alpha A7S III. The full galleries are available at Pentax X-5 Gallery & Sony A7S III Gallery.

For those who are intending to travel with your camera frequently, you'll have to factor its weight and size. The Pentax X-5 enjoys outer dimensions 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 A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

Compare the Pentax X-5 and Sony A7S III in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you select at that moment. Following is a front view size comparison of the X-5 against the A7S III.

Taking into account dimensions and weight, the portability score of the X-5 and A7S III is 65 and 61 respectively.

Normally, it is very difficult to envision the gap between sensor dimensions only by reading specifications. The image underneath will help offer you a stronger sense of the sensor dimensions in the X-5 and A7S III.

To sum up, the 2 cameras provide different resolutions and different sensor dimensions. The X-5 using its tinier sensor will make shooting shallower DOF more challenging and the Pentax X-5 will offer you extra detail having an extra 4 Megapixels. Greater resolution will also enable you to crop pics more aggressively. The more aged X-5 is going to be behind when it comes to sensor technology.