Panasonic GX1 vs Pentax S1

Its time to look more in depth at the Panasonic GX1 and Pentax S1, one is a Entry-Level Mirrorless and the latter is a Small Sensor Compact by competitors Panasonic and Pentax. The image resolution of the GX1 (16MP) and the S1 (14MP) is relatively comparable but the GX1 (Four Thirds) and S1 (1/2.3") provide totally different sensor sizing.

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The GX1 was released 12 months after the S1 and they are of a similar generation. Both cameras have different body design with the Panasonic GX1 being a Rangefinder-style mirrorless camera and the Pentax S1 being a Compact camera.

Before going straight to a step-by-step comparison, here is a quick view of how the GX1 matches up vs the S1 when it comes to portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Panasonic Lumix DMC-GX1 and Pentax Optio S1. The complete galleries are available at Panasonic GX1 Gallery and Pentax S1 Gallery.

For those who are going to travel with your camera frequently, you should take into account its weight and volume. The Panasonic GX1 enjoys outer measurements of 116mm x 68mm x 39mm (4.6" x 2.7" x 1.5") having a weight of 318 grams (0.70 lbs) whilst the Pentax S1 has sizing of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs).

Take a look at the Panasonic GX1 and Pentax S1 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that moment. Following is a front view dimension comparison of the GX1 versus the S1.

Using dimensions and weight, the portability score of the GX1 and S1 is 87 and 93 respectively.

Sometimes, it's hard to envision the gap in sensor dimensions only by going through technical specs. The image below should give you a clearer sense of the sensor sizing in the GX1 and S1.

As you can tell, the two cameras provide different resolutions and different sensor dimensions. The GX1 featuring a bigger sensor will make getting bokeh easier and the Panasonic GX1 will provide more detail as a result of its extra 2 Megapixels. Higher resolution can also make it easier to crop shots more aggressively. The fresher GX1 will have an advantage in sensor technology.