Sony A7S II vs Sony a5100

Its time to look a little more in depth at the Sony A7S II vs Sony a5100, former being a Pro Mirrorless while the other is a Entry-Level Mirrorless and they are both designed by Sony. There exists a large gap among the sensor resolutions of the A7S II (12MP) and a5100 (24MP) and the A7S II (Full frame) and a5100 (APS-C) posses different sensor sizes.

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The A7S II was announced 15 months later than the a5100 making them a generation apart from one another. The two cameras feature different body design with the Sony A7S II being a SLR-style mirrorless camera and the Sony a5100 being a Rangefinder-style mirrorless camera.

Before we go right into a thorough comparison, here is a simple summary of how the A7S II grades against the a5100 when it comes to portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Sony Alpha A7S II & Sony Alpha a5100. The whole galleries are provided at Sony A7S II Gallery & Sony a5100 Gallery.

If you are aiming to carry your camera, you're going to have to consider its weight and proportions. The Sony A7S II features outside dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 627 grams (1.38 lbs) while the Sony a5100 has measurements of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") having a weight of 283 grams (0.62 lbs).

See the Sony A7S II vs Sony a5100 in our newest Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ based on the lens you are using at the time. Following is a front view proportions comparison of the A7S II and the a5100.

Looking at dimensions and weight, the portability grade of the A7S II and a5100 is 68 and 89 respectively.

Sometimes, it is difficult to imagine the contrast in sensor sizing purely by viewing a spec sheet. The visual below will provide you a greater sense of the sensor sizes in the A7S II and a5100.

Clearly, both of the cameras come with different megapixel count and different sensor sizing. The A7S II having a larger sensor is going to make shooting shallow depth of field simpler and the Sony a5100 will result in extra detail with its extra 12 Megapixels. Greater resolution will also make it easier to crop images a good deal more aggressively. The newer A7S II should have an advantage with regard to sensor technology.