Sony A7 III vs Sony QX100

Below is a thorough assessment of the Sony A7 III vs Sony QX100, one being a Pro Mirrorless and the other is a Lens-style and both are built by Sony. The sensor resolution of the A7 III (24MP) and the QX100 (20MP) is fairly well matched but the A7 III (Full frame) and QX100 (1") posses totally different sensor sizing.

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The A7 III was manufactured 4 years later than the QX100 and that is quite a significant gap as far as technology is concerned. Both cameras have different body design with the Sony A7 III being a SLR-style mirrorless camera and the Sony QX100 being a Lens-style camera.

Before getting into a full comparison, here is a brief introduction of how the A7 III matches up vs the QX100 in regards to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Sony Alpha A7 III and Sony Cyber-shot DSC-QX100. The entire galleries are provided at Sony A7 III Gallery and Sony QX100 Gallery.

In case you're going to lug around your camera, you should consider its weight and size. The Sony A7 III offers external measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs) while the Sony QX100 has specifications of 63mm x 63mm x 56mm (2.5" x 2.5" x 2.2") having a weight of 179 grams (0.39 lbs).

Contrast the Sony A7 III vs Sony QX100 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing during that time. Following is a front view overall size comparison of the A7 III vs the QX100.

Looking at dimensions and weight, the portability rating of the A7 III and QX100 is 63 and 92 respectively.

More often than not, it is difficult to see the contrast between sensor measurements merely by reading through a spec sheet. The graphic below should give you a far better sense of the sensor measurements in the A7 III and QX100.

As you can see, the two cameras provide different megapixels and different sensor measurements. The A7 III because of its larger sensor will make getting shallower DOF less difficult and the Sony A7 III will give you extra detail due to its extra 4MP. Greater resolution can also allow you to crop images more aggressively. The fresher A7 III is going to have an advantage in sensor tech.