Sony A7S vs Sony G3

Below, we will be evaluating the Sony A7S versus Sony G3, former is a Pro Mirrorless while the latter is a Small Sensor Compact and both are offered by Sony. The sensor resolution of the A7S (12MP) and the G3 (10MP) is relatively similar but the A7S (Full frame) and G3 (1/2.3") feature totally different sensor sizing.

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The A7S was introduced 5 years after the G3 which is quite a sizable difference as far as technology is concerned. Both of these cameras come with different body type with the Sony A7S being a SLR-style mirrorless camera and the Sony G3 being a Compact camera.

Before going through a full comparison, below is a quick summary of how the A7S grades vs the G3 with regard to portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Sony Alpha A7S & Sony Cyber-shot DSC-G3. The whole galleries are available at Sony A7S Gallery & Sony G3 Gallery.

For anybody who is looking to carry around your camera frequently, you are going to need to factor in its weight and size. The Sony A7S enjoys external measurements of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 489 grams (1.08 lbs) and the Sony G3 has specifications of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") and a weight of 185 grams (0.41 lbs).

Analyze the Sony A7S versus Sony G3 in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you are utilising at the time. Here is the front view dimensions comparison of the A7S versus the G3.

Looking at dimensions and weight, the portability score of the A7S and G3 is 77 and 94 respectively.

Quite often, it is tough to envision the gap between sensor sizes simply by reviewing specs. The picture here will offer you a more clear sense of the sensor measurements in the A7S and G3.

As you can plainly see, both the cameras posses different megapixels and different sensor sizes. The A7S with its bigger sensor will make shooting shallower depth of field simpler and the Sony A7S will deliver extra detail using its extra 2 Megapixels. Higher resolution will help you crop pictures somewhat more aggressively. The more recent A7S is going to have an edge when it comes to sensor tech.