Panasonic G9 vs Sony A7S

Following is a in depth analysis of the Panasonic G9 vs Sony A7S, both Pro Mirrorless cameras by companies Panasonic and Sony. There is a substantial difference among the image resolutions of the G9 (20MP) and A7S (12MP) and the G9 (Four Thirds) and A7S (Full frame) boast totally different sensor dimensions.

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The G9 was launched 3 years after the A7S which is a fairly big difference as far as camera tech is concerned. Both the cameras feature the same body design (SLR-style mirrorless).

Before we go right into a thorough comparison, here is a brief summation of how the G9 grades vs the A7S in terms of portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Panasonic Lumix DC-G9 & Sony Alpha A7S. The complete galleries are viewable at Panasonic G9 Gallery & Sony A7S Gallery.

If you are aiming to carry around your camera often, you will have to factor in its weight and proportions. The Panasonic G9 provides outside measurements of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") having a weight of 658 grams (1.45 lbs) while the Sony A7S has 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).

Check out the Panasonic G9 vs Sony A7S in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will change dependant on the lens you are utilizing at that time. The following is a front view measurement comparison of the G9 versus the A7S.

Looking at size and weight, the portability grade of the G9 and A7S is 62 and 77 respectively.

Usually, it is very tough to see the gap in sensor sizes merely by going through specs. The picture underneath should give you a better sense of the sensor sizing in the G9 and A7S.

As you can plainly see, the two cameras feature different resolutions and different sensor sizes. The G9 due to its smaller sensor will make getting shallower depth of field harder and the Panasonic G9 will produce extra detail utilizing its extra 8MP. Greater resolution will also allow you to crop images way more aggressively. The younger G9 will have an advantage with regard to sensor tech.