Samsung ST90 vs Sony a5100

Here is a complete comparison of the Samsung ST90 and Sony a5100, former being a Ultracompact while the other is a Entry-Level Mirrorless by rivals Samsung and Sony. There is a noticeable difference between the image resolutions of the ST90 (14MP) and a5100 (24MP) and the ST90 (1/2.3") and a5100 (APS-C) come with different sensor sizing.

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The ST90 was brought out 4 years prior to the a5100 and that is quite a sizable difference as far as tech is concerned. Both of these cameras offer different body type with the Samsung ST90 being a Ultracompact camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before diving in to a full comparison, below is a quick introduction of how the ST90 matches up versus the a5100 when considering portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Samsung ST90 & Sony Alpha a5100. The entire galleries are provided at Samsung ST90 Gallery & Sony a5100 Gallery.

For anybody who is aiming to carry your camera frequently, you will need to take into account its weight and proportions. The Samsung ST90 has got exterior dimensions of 92mm x 53mm x 17mm (3.6" x 2.1" x 0.7") with a weight of n/a grams (0.00 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 Samsung ST90 and Sony a5100 in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will differ based on the lens you have at that moment. The following is the front view dimensions comparison of the ST90 vs the a5100.

Taking into account size and weight, the portability grade of the ST90 and a5100 is 99 and 89 respectively.

Usually, its hard to picture the gap between sensor sizing purely by checking specs. The photograph below should offer you a better sense of the sensor dimensions in the ST90 and a5100.

As you can plainly see, each of the cameras enjoy different resolutions and different sensor sizing. The ST90 because of its tinier sensor is going to make achieving shallow DOF trickier and the Sony a5100 will resolve extra detail having its extra 10 Megapixels. Greater resolution will also let you crop pics far more aggressively. The older ST90 is going to be disadvantaged with regard to sensor tech.