Sony A6400 vs Sony A55

Following is a complete comparison of the Sony A6400 versus Sony A55, one is a Advanced Mirrorless and the other is a Entry-Level DSLR and they are both offered by Sony. There exists a sizeable gap between the image resolutions of the A6400 (24MP) and A55 (16MP) but they come with the exact same sensor size (APS-C).

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The A6400 was introduced 8 years after the A55 which is quite a large gap as far as technology is concerned. Both the cameras come with different body type with the Sony A6400 being a Rangefinder-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before getting through a comprehensive comparison, below is a simple highlight of how the A6400 grades versus the A55 when it comes to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Sony Alpha a6400 and Sony SLT-A55. The whole galleries are viewable at Sony A6400 Gallery and Sony A55 Gallery.

For anyone who is aiming to carry around your camera frequently, you need to consider its weight and measurements. The Sony A6400 enjoys exterior measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") and a weight of 403 grams (0.89 lbs) and the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Contrast the Sony A6400 versus Sony A55 in the new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Below is the front view over all size comparison of the A6400 vs the A55.

Using dimensions and weight, the portability score of the A6400 and A55 is 83 and 67 respectively.

Normally, it is very tough to picture the difference between sensor sizes purely by reading technical specs. The image below should provide you a greater sense of the sensor sizing in the A6400 and A55.

As you have seen, the 2 cameras posses the exact same sensor measurements but different resolution. You should anticipate the Sony A6400 to offer extra detail using its extra 8 Megapixels. Greater resolution will also allow you to crop photos somewhat more aggressively. The more recent A6400 should have an advantage with regard to sensor tech.