Sony A7R II vs Sony NEX-3

Below is a complete comparison of the Sony A7R II and Sony NEX-3, one being a Pro Mirrorless and the other is a Entry-Level Mirrorless and they are both designed by Sony. There exists a crucial gap among the resolutions of the A7R II (42MP) and NEX-3 (14MP) and the A7R II (Full frame) and NEX-3 (APS-C) offer different sensor size.

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The A7R II was introduced 5 years later than the NEX-3 and that is a fairly serious gap as far as camera technology is concerned. Both of the cameras feature different body design with the Sony A7R II being a SLR-style mirrorless camera and the Sony NEX-3 being a Rangefinder-style mirrorless camera.

Before we go straight to a comprehensive comparison, here is a brief overview of how the A7R II grades versus the NEX-3 with regards to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Sony Alpha A7R II and Sony Alpha NEX-3. The whole galleries are available at Sony A7R II Gallery and Sony NEX-3 Gallery.

When you are intending to lug around your camera frequently, you'll need to consider its weight and volume. The Sony A7R II provides exterior dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") with a weight of 625 grams (1.38 lbs) and the Sony NEX-3 has sizing of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") and a weight of 297 grams (0.65 lbs).

Analyze the Sony A7R II and Sony NEX-3 in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you use at that time. The following is a front view size comparison of the A7R II compared to the NEX-3.

Using dimensions and weight, the portability rating of the A7R II and NEX-3 is 68 and 89 respectively.

Typically, it is difficult to imagine the difference in sensor measurements just by looking through specs. The graphic underneath should provide you a far better sense of the sensor sizes in the A7R II and NEX-3.

All in all, both cameras come with different megapixel count and different sensor measurements. The A7R II using its larger sensor is going to make getting shallow DOF less difficult and the Sony A7R II will provide you with more detail using its extra 28 Megapixels. Greater resolution will also make it easier to crop photos a good deal more aggressively. The newer A7R II should have an advantage with regard to sensor tech.