Panasonic G9 vs Pentax Q-S1

Its time to take a deeper look at the Panasonic G9 and Pentax Q-S1, former being a Pro Mirrorless while the latter is a Entry-Level Mirrorless by competitors Panasonic and Pentax. There is a noticeable difference between the image resolutions of the G9 (20MP) and Q-S1 (12MP) and the G9 (Four Thirds) and Q-S1 (1/1.7") provide totally different sensor size.

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The G9 was revealed 3 years later than the Q-S1 and that is quite a sizable difference as far as tech is concerned. Each of the cameras feature different body design with the Panasonic G9 being a SLR-style mirrorless camera and the Pentax Q-S1 being a Rangefinder-style mirrorless camera.

Before getting into a detailed comparison, here is a quick view of how the G9 scores versus the Q-S1 in relation to portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Panasonic Lumix DC-G9 & Pentax Q-S1. The full galleries are available at Panasonic G9 Gallery & Pentax Q-S1 Gallery.

For anybody who is going to carry your camera often, you will need to factor its weight and size. The Panasonic G9 enjoys external measurements of 137mm x 97mm x 92mm (5.4" x 3.8" x 3.6") accompanied by a weight of 658 grams (1.45 lbs) whilst the Pentax Q-S1 has specifications of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") along with a weight of 203 grams (0.45 lbs).

See the Panasonic G9 and Pentax Q-S1 in our newest Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary based on the lens you have attached at that time. The following is a front view over all size comparison of the G9 and the Q-S1.

Taking into account size and weight, the portability grade of the G9 and Q-S1 is 62 and 92 respectively.

In many cases, it is very tough to envision the difference between sensor sizing simply by checking technical specs. The graphic underneath may provide you a clearer sense of the sensor measurements in the G9 and Q-S1.

As you have seen, both the cameras feature different megapixels and different sensor sizing. The G9 having a bigger sensor will make achieving shallow depth of field less difficult and the Panasonic G9 will resolve extra detail because of its extra 8 Megapixels. Higher resolution can also let you crop pictures way more aggressively. The more modern G9 will have a benefit in sensor tech.