Sony RX10 III vs Sony A55

Here is a in depth comparison of the Sony RX10 III and Sony A55, one being a Large Sensor Superzoom and the other is a Entry-Level DSLR and both of them are offered by Sony. There is a huge difference among the image resolutions of the RX10 III (20MP) and A55 (16MP) and the RX10 III (1") and A55 (APS-C) posses totally different sensor sizing.

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The RX10 III was revealed 5 years later than the A55 and that is a fairly significant gap as far as camera tech is concerned. The two cameras have different body design with the Sony RX10 III being a SLR-like (bridge) camera and the Sony A55 being a Compact SLR camera.

Before delving straight to a complete comparison, here is a quick synopsis of how the RX10 III matches up against the A55 when considering portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Sony Cyber-shot DSC-RX10 III and Sony SLT-A55. The full galleries are provided at Sony RX10 III Gallery and Sony A55 Gallery.

For anybody who is intending to carry your camera often, you will want to take into account its weight and size. The Sony RX10 III has outside dimensions of 133mm x 94mm x 127mm (5.2" x 3.7" x 5.0") accompanied by a weight of 1051 grams (2.32 lbs) and the Sony A55 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Take a look at the Sony RX10 III and Sony A55 in the all new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you choose at that moment. The following is a front view dimensions comparison of the RX10 III compared to the A55.

Using size and weight, the portability rating of the RX10 III and A55 is 53 and 67 respectively.

Generally, it can be tough to see the difference in sensor sizing simply by going through a spec sheet. The visual here will help give you a better sense of the sensor dimensions in the RX10 III and A55.

As you can see, both of those cameras provide different megapixels and different sensor sizing. The RX10 III with its smaller sensor will make getting bokeh more difficult and the Sony RX10 III will show greater detail because of its extra 4 Megapixels. Greater resolution can also allow you to crop photos more aggressively. The newer RX10 III will have a benefit in sensor tech.