Sony A7R II vs Sony A55

Its time to look more in depth at the Sony A7R II versus Sony A55, former being a Pro Mirrorless while the other is a Entry-Level DSLR and they are both produced by Sony. There is a considerable difference among the sensor resolutions of the A7R II (42MP) and A55 (16MP) and the A7R II (Full frame) and A55 (APS-C) offer different sensor size.

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The A7R II was introduced 4 years later than the A55 and that is a fairly large difference as far as camera tech is concerned. The two cameras feature different body design with the Sony A7R II being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before we go into a detailed comparison, here is a brief summary of how the A7R II grades versus the A55 in the way of portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Sony Alpha A7R II & Sony SLT-A55. The whole galleries are provided at Sony A7R II Gallery & Sony A55 Gallery.

When you are going to lug around your camera often, you're going to have to take into account its weight and volume. The Sony A7R II offers external dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 625 grams (1.38 lbs) while the Sony A55 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Examine the Sony A7R II versus Sony A55 in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary depending on the lens you are employing at the time. Here is a front view measurements comparison of the A7R II vs the A55.

Taking into account size and weight, the portability score of the A7R II and A55 is 68 and 67 respectively.

In many cases, it's hard to visualize the difference in sensor measurements only by going through a spec sheet. The graphic below should give you a better sense of the sensor dimensions in the A7R II and A55.

As you can see, both of those cameras feature different resolutions and different sensor measurements. The A7R II with its larger sensor is going to make getting shallower depth of field simpler and the Sony A7R II will produce greater detail using its extra 26MP. Greater resolution will enable you to crop photos way more aggressively. The more modern A7R II provides a benefit with regard to sensor innovation.