Nikon S3100 vs Sony a5100

Here, we will be contrasting the Nikon S3100 versus Sony a5100, one being a Ultracompact and the latter is a Entry-Level Mirrorless by companies Nikon and Sony. There exists a big gap between the sensor resolutions of the S3100 (14MP) and a5100 (24MP) and the S3100 (1/2.3") and a5100 (APS-C) posses totally different sensor sizes.

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The S3100 was unveiled 4 years before the a5100 and that is quite a big gap as far as technology is concerned. Both of these cameras feature different body design with the Nikon S3100 being a Ultracompact camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before getting straight to a comprehensive comparison, here is a short summary of how the S3100 grades versus the a5100 with regard to portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Nikon Coolpix S3100 and Sony Alpha a5100. The full galleries are available at Nikon S3100 Gallery and Sony a5100 Gallery.

If you are looking to lug around your camera regularly, you need to think about its weight and measurements. The Nikon S3100 has outer measurements of 94mm x 58mm x 18mm (3.7" x 2.3" x 0.7") having a weight of 118 grams (0.26 lbs) whilst the Sony a5100 has proportions of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") accompanied by a weight of 283 grams (0.62 lbs).

Examine the Nikon S3100 versus Sony a5100 in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at that moment. Underneath is a front view over all size comparison of the S3100 compared to the a5100.

Taking into account dimensions and weight, the portability grade of the S3100 and a5100 is 96 and 89 respectively.

More often than not, it is difficult to envision the difference between sensor measurements purely by reading through a spec sheet. The graphic below will help provide you a clearer sense of the sensor measurements in the S3100 and a5100.

As you can see, the two cameras feature different resolutions and different sensor measurements. The S3100 with its tinier sensor will make getting bokeh tougher and the Sony a5100 will resolve extra detail having an extra 10 Megapixels. Higher resolution will let you crop shots way more aggressively. The older S3100 is going to be behind in sensor innovation.