Sony A6400 vs Sony RX100 III

Its time to look more closely at the Sony A6400 and Sony RX100 III, former being a Advanced Mirrorless while the other is a Large Sensor Compact and both of them are offered by Sony. The sensor resolution of the A6400 (24MP) and the RX100 III (20MP) is fairly well matched but the A6400 (APS-C) and RX100 III (1") posses different sensor size.

Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

The A6400 was launched 4 years later than the RX100 III and that is quite a significant difference as far as technology is concerned. Both of the cameras feature different body design with the Sony A6400 being a Rangefinder-style mirrorless camera and the Sony RX100 III being a Large Sensor Compact camera.

Before we go into a in-depth comparison, here is a concise view of how the A6400 grades versus the RX100 III with respect to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Sony Alpha a6400 & Sony Cyber-shot DSC-RX100 III. The complete galleries are viewable at Sony A6400 Gallery & Sony RX100 III Gallery.

If you're planning to carry your camera regularly, you should factor its weight and proportions. The Sony A6400 features outer measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs) whilst the Sony RX100 III has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

Check the Sony A6400 and Sony RX100 III in our newest Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will change dependant on the lens you select at that time. Following is a front view dimension comparison of the A6400 versus the RX100 III.

Taking into consideration dimensions and weight, the portability grade of the A6400 and RX100 III is 83 and 89 respectively.

More often than not, it's difficult to visualize the contrast between sensor sizing only by checking technical specs. The visual here should provide you a stronger sense of the sensor sizing in the A6400 and RX100 III.

As you have seen, both of the cameras feature different megapixel count and different sensor sizing. The A6400 due to its larger sensor is going to make getting bokeh easier and the Sony A6400 will resolve more detail utilizing its extra 4 Megapixels. Greater resolution will also make it easier to crop photos way more aggressively. The more modern A6400 should have an advantage when it comes to sensor tech.