Panasonic GX850 vs Pentax Efina

Following is a in depth comparison of the Panasonic GX850 versus Pentax Efina, one is a Entry-Level Mirrorless and the latter is a Ultracompact by manufacturers Panasonic and Pentax. The sensor resolution of the GX850 (16MP) and the Efina (14MP) is pretty similar but the GX850 (Four Thirds) and Efina (1/2.3") have totally different sensor measurements.

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The GX850 was manufactured 3 years after the Efina which is quite a significant gap as far as tech is concerned. Each of the cameras have different body design with the Panasonic GX850 being a Rangefinder-style mirrorless camera and the Pentax Efina being a Ultracompact camera.

Before we go straight to a detailed comparison, here is a simple synopsis of how the GX850 matches up versus the Efina with regard to portability, imaging, features and an overall score.

This is a preview of the gallery images for Panasonic Lumix DMC-GX850 and Pentax Efina. The entire galleries are available at Panasonic GX850 Gallery and Pentax Efina Gallery.

If you're going to carry around your camera, you'll need to factor in its weight and proportions. The Panasonic GX850 offers physical dimensions of 107mm x 65mm x 33mm (4.2" x 2.6" x 1.3") having a weight of 269 grams (0.59 lbs) whilst the Pentax Efina has measurements of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") with a weight of 91 grams (0.20 lbs).

Compare the Panasonic GX850 versus Pentax Efina in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are employing at that moment. Underneath is a front view scale comparison of the GX850 and the Efina.

Considering size and weight, the portability score of the GX850 and Efina is 90 and 97 respectively.

Usually, its difficult to see the contrast between sensor sizes simply by reading technical specs. The pic underneath might provide you a clearer sense of the sensor sizes in the GX850 and Efina.

As you can tell, both cameras provide different megapixel count and different sensor sizes. The GX850 featuring a bigger sensor will make shooting shallower DOF easier and the Panasonic GX850 will deliver extra detail due to its extra 2MP. Higher resolution will make it easier to crop pictures more aggressively. The younger GX850 will have an advantage when it comes to sensor technology.