Samsung ST90 vs Sony A7S III

On this page, we will be comparing the Samsung ST90 vs Sony A7S III, former is a Ultracompact while the latter is a Pro Mirrorless by competitors Samsung and Sony. The sensor resolution of the ST90 (14MP) and the A7S III (12MP) is relatively close but the ST90 (1/2.3") and A7S III (Full frame) boast totally different sensor sizing.

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The ST90 was introduced 10 years prior to the A7S III which is a fairly serious difference as far as camera tech is concerned. Both of the cameras have different body design with the Samsung ST90 being a Ultracompact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before diving straight to a step-by-step comparison, here is a brief overview of how the ST90 scores against the A7S III with regards to portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Samsung ST90 & Sony Alpha A7S III. The whole galleries are provided at Samsung ST90 Gallery & Sony A7S III Gallery.

For anybody who is intending to carry around your camera regularly, you'll need to factor in its weight and measurements. The Samsung ST90 comes with physical dimensions of 92mm x 53mm x 17mm (3.6" x 2.1" x 0.7") along with a weight of n/a grams (0.00 lbs) whilst the Sony A7S III has proportions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs).

Look at the Samsung ST90 vs Sony A7S III in our newest Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you are utilizing during that time. Following is a front view physical size comparison of the ST90 and the A7S III.

Factoring in size and weight, the portability rating of the ST90 and A7S III is 99 and 61 respectively.

Usually, it is hard to visualise the difference in sensor sizes merely by looking through a spec sheet. The picture underneath will provide you a more clear sense of the sensor sizes in the ST90 and A7S III.

Clearly, both of those cameras have different megapixels and different sensor sizes. The ST90 with its smaller sensor will make getting shallower DOF tougher and the Samsung ST90 will provide you with extra detail using its extra 2 Megapixels. Higher resolution will also allow you to crop pictures a bit more aggressively. The more aged ST90 will be behind in sensor innovation.