Casio EX-G1 vs Sony a5100

In this write-up, we will be reviewing the Casio EX-G1 and Sony a5100, former is a Ultracompact while the latter is a Entry-Level Mirrorless by companies Casio and Sony. There exists a substantial gap between the image resolutions of the EX-G1 (12MP) and a5100 (24MP) and the EX-G1 (1/2.3") and a5100 (APS-C) enjoy totally different sensor sizing.

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The EX-G1 was revealed 5 years before the a5100 which is quite a big difference as far as technology is concerned. Both cameras offer different body type with the Casio EX-G1 being a Ultracompact camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before going through a in-depth comparison, below is a quick view of how the EX-G1 matches up versus the a5100 in relation to portability, imaging, features and an overall score.

Following is a preview of the gallery images for Casio Exilim EX-G1 & Sony Alpha a5100. The full galleries are viewable at Casio EX-G1 Gallery & Sony a5100 Gallery.

For anyone who is looking to carry around your camera often, you will want to factor its weight and proportions. The Casio EX-G1 enjoys physical measurements of 104mm x 64mm x 20mm (4.1" x 2.5" x 0.8") with a weight of 154 grams (0.34 lbs) whilst the Sony a5100 has measurements of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") accompanied by a weight of 283 grams (0.62 lbs).

Look at the Casio EX-G1 and Sony a5100 in our newest Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you have at that time. Following is the front view dimensions comparison of the EX-G1 against the a5100.

Using dimensions and weight, the portability grade of the EX-G1 and a5100 is 94 and 89 respectively.

Normally, it is very tough to visualise the gap between sensor sizes simply by looking at specs. The picture below should provide you a much better sense of the sensor sizing in the EX-G1 and a5100.

As you can plainly see, both of those cameras offer different megapixel count and different sensor sizes. The EX-G1 using its tinier sensor will make shooting shallow depth of field tougher and the Sony a5100 will give you extra detail because of its extra 12MP. Higher resolution can also enable you to crop pictures a little more aggressively. The more aged EX-G1 is going to be disadvantaged with regard to sensor tech.