Sony A9 II vs Sony A55

Let's take a closer look at the Sony A9 II and Sony A55, one being a Pro Mirrorless and the latter is a Entry-Level DSLR and both are designed by Sony. There is a big difference between the resolutions of the A9 II (24MP) and A55 (16MP) and the A9 II (Full frame) and A55 (APS-C) use different sensor dimensions.

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The A9 II was launched 9 years later than the A55 and that is quite a big gap as far as tech is concerned. The two cameras come with different body type with the Sony A9 II being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before delving straight into a step-by-step comparison, below is a simple introduction of how the A9 II scores against the A55 when it comes to portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Sony Alpha A9 Mark II and Sony SLT-A55. The complete galleries are viewable at Sony A9 II Gallery and Sony A55 Gallery.

If you are aiming to lug around your camera, you should think about its weight and proportions. The Sony A9 II has outer measurements of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") and a weight of 678 grams (1.49 lbs) and the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Analyze the Sony A9 II and Sony A55 in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at the time. Underneath is the front view measurement comparison of the A9 II against the A55.

Using size and weight, the portability score of the A9 II and A55 is 62 and 67 respectively.

Oftentimes, it is difficult to picture the contrast between sensor measurements purely by reading technical specs. The graphic below will help offer you a far better sense of the sensor sizing in the A9 II and A55.

As you have seen, both of the cameras posses different resolutions and different sensor measurements. The A9 II because of its bigger sensor is going to make shooting shallower DOF easier and the Sony A9 II will deliver extra detail utilizing its extra 8 Megapixels. Higher resolution will also make it easier to crop pictures somewhat more aggressively. The newer A9 II provides a benefit in sensor tech.