Sony A3000 vs Sony a5100

Lets look more in depth at the Sony A3000 vs Sony a5100, both Entry-Level Mirrorless cameras and both of them are built by Sony. The image resolution of the A3000 (20MP) and the a5100 (24MP) is pretty comparable and both cameras provide the same sensor size (APS-C).

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The A3000 was unveiled 11 months before the a5100 which means that they are of a similar age. Both of these cameras have different body design with the Sony A3000 being a SLR-style mirrorless camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before going into a step-by-step comparison, here is a brief summation of how the A3000 grades versus the a5100 in regards to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Sony Alpha A3000 & Sony Alpha a5100. The full galleries are available at Sony A3000 Gallery & Sony a5100 Gallery.

If you are intending to carry around your camera regularly, you have to take into account its weight and size. The Sony A3000 features physical measurements of 128mm x 91mm x 85mm (5.0" x 3.6" x 3.3") with a weight of 411 grams (0.91 lbs) and the Sony a5100 has specifications of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") along with a weight of 283 grams (0.62 lbs).

See the Sony A3000 vs Sony a5100 in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you have during that time. Following is a front view sizing comparison of the A3000 vs the a5100.

Looking at size and weight, the portability grade of the A3000 and a5100 is 69 and 89 respectively.

Generally, it is very hard to visualize the difference in sensor sizes merely by going through a spec sheet. The pic here might give you a more clear sense of the sensor measurements in the A3000 and a5100.

As you can see, both of these cameras provide the same sensor dimensions albeit different megapixels. You can expect the Sony a5100 to produce more detail having an extra 4 Megapixels. Higher resolution will also help you crop pictures more aggressively. The more aged A3000 will be disadvantaged in sensor tech.