Samsung ST30 vs Sony A7 III

Let's take a more detailed look at the Samsung ST30 and Sony A7 III, one is a Ultracompact and the latter is a Pro Mirrorless by competitors Samsung and Sony. There is a crucial difference among the image resolutions of the ST30 (10MP) and A7 III (24MP) and the ST30 (1/3") and A7 III (Full frame) posses different sensor measurements.

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The ST30 was announced 8 years earlier than the A7 III which is a fairly serious gap as far as camera tech is concerned. Both of these cameras feature different body design with the Samsung ST30 being a Ultracompact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go straight to a in-depth comparison, here is a quick highlight of how the ST30 grades versus the A7 III in relation to portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Samsung ST30 and Sony Alpha A7 III. The whole galleries are available at Samsung ST30 Gallery and Sony A7 III Gallery.

For anybody who is looking to travel with your camera, you will need to factor in its weight and size. The Samsung ST30 comes with external measurements of 82mm x 52mm x 17mm (3.2" x 2.0" x 0.7") having a weight of 87 grams (0.19 lbs) whilst the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

Compare the Samsung ST30 and Sony A7 III in the all new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you use during that time. The following is a front view over all size comparison of the ST30 compared to the A7 III.

Taking into consideration size and weight, the portability grade of the ST30 and A7 III is 98 and 63 respectively.

Generally, it's tough to imagine the contrast in sensor dimensions purely by viewing technical specs. The picture below may give you a stronger sense of the sensor measurements in the ST30 and A7 III.

As you can tell, both the cameras feature different resolutions and different sensor dimensions. The ST30 with its smaller sensor is going to make achieving shallower DOF trickier and the Sony A7 III will result in more detail with its extra 14 Megapixels. Higher resolution will allow you to crop shots way more aggressively. The more aged ST30 will be behind with regard to sensor tech.