Panasonic G10 vs Pentax S1

Below is a in-depth assessment of the Panasonic G10 versus Pentax S1, former being a Entry-Level Mirrorless while the other is a Small Sensor Compact by manufacturers Panasonic and Pentax. The image resolution of the G10 (12MP) and the S1 (14MP) is very close but the G10 (Four Thirds) and S1 (1/2.3") provide totally different sensor sizing.

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The G10 was revealed 6 months prior to the S1 and they are both of a similar age. The two cameras feature different body design with the Panasonic G10 being a SLR-style mirrorless camera and the Pentax S1 being a Compact camera.

Before delving right into a full comparison, here is a quick view of how the G10 scores vs the S1 in terms of portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Panasonic Lumix DMC-G10 & Pentax Optio S1. The full galleries are provided at Panasonic G10 Gallery & Pentax S1 Gallery.

In case you're aiming to lug around your camera frequently, you are going to need to factor its weight and measurements. The Panasonic G10 offers outside measurements of 124mm x 90mm x 74mm (4.9" x 3.5" x 2.9") having a weight of 388 grams (0.86 lbs) and the Pentax S1 has proportions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") along with a weight of 157 grams (0.35 lbs).

Examine the Panasonic G10 versus Pentax S1 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary depending on the lens you are working with at that time. Here is a front view physical size comparison of the G10 compared to the S1.

Considering dimensions and weight, the portability rating of the G10 and S1 is 72 and 93 respectively.

Typically, it is very difficult to see the difference in sensor measurements merely by looking through technical specs. The graphic underneath will give you a better sense of the sensor sizing in the G10 and S1.

As you have seen, both cameras feature different resolutions and different sensor measurements. The G10 with its larger sensor will make shooting shallower DOF easier and the Pentax S1 will provide you with extra detail because of its extra 2MP. Greater resolution can also make it easier to crop images way more aggressively.