Panasonic GX7 vs Pentax K-3

Here, we will be evaluating the Panasonic GX7 and Pentax K-3, one is a Advanced Mirrorless and the latter is a Advanced DSLR by rivals Panasonic and Pentax. There exists a significant gap among the resolutions of the GX7 (16MP) and K-3 (24MP) and the GX7 (Four Thirds) and K-3 (APS-C) provide totally different sensor dimensions.

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The GX7 was launched 5 months before the K-3 which means that they are of a similar generation. Both cameras feature different body design with the Panasonic GX7 being a Rangefinder-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before going straight to a more detailed comparison, here is a simple summary of how the GX7 matches up versus the K-3 in regards to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Panasonic Lumix DMC-GX7 and Pentax K-3. The complete galleries are available at Panasonic GX7 Gallery and Pentax K-3 Gallery.

For those who are aiming to carry around your camera, you're going to have to factor its weight and measurements. The Panasonic GX7 enjoys exterior measurements of 123mm x 71mm x 55mm (4.8" x 2.8" x 2.2") along with a weight of 402 grams (0.89 lbs) while the Pentax K-3 has proportions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs).

Analyze the Panasonic GX7 and Pentax K-3 in the all new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you have during that time. Below is a front view physical size comparison of the GX7 versus the K-3.

Taking into consideration dimensions and weight, the portability score of the GX7 and K-3 is 81 and 59 respectively.

Sometimes, it's hard to see the gap in sensor sizes simply by seeing specs. The picture underneath will help offer you a better sense of the sensor measurements in the GX7 and K-3.

As you can plainly see, both of these cameras feature different megapixels and different sensor sizes. The GX7 because of its smaller sensor will make achieving shallow depth of field trickier and the Pentax K-3 will produce extra detail utilizing its extra 8MP. Higher resolution can also enable you to crop pictures way more aggressively.