Panasonic GH4 vs Pentax K-3

Here is a in-depth comparison of the Panasonic GH4 versus Pentax K-3, one being a Pro Mirrorless and the latter is a Advanced DSLR by competitors Panasonic and Pentax. There is a huge difference among the image resolutions of the GH4 (16MP) and K-3 (24MP) and the GH4 (Four Thirds) and K-3 (APS-C) have totally different sensor measurements.

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The GH4 was revealed 2 months before the K-3 so they are both of a similar generation. Both cameras feature different body design with the Panasonic GH4 being a SLR-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.

Before we go right into a comprehensive comparison, here is a quick overview of how the GH4 scores versus the K-3 for portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Panasonic Lumix DMC-GH4 and Pentax K-3. The full galleries are viewable at Panasonic GH4 Gallery and Pentax K-3 Gallery.

If you're planning to carry your camera frequently, you will want to factor in its weight and dimensions. The Panasonic GH4 comes with outside dimensions of 133mm x 93mm x 84mm (5.2" x 3.7" x 3.3") having a weight of 560 grams (1.23 lbs) and the Pentax K-3 has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs).

Check the Panasonic GH4 versus Pentax K-3 in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you are working with at that moment. Here is a front view sizing comparison of the GH4 vs the K-3.

Looking at size and weight, the portability rating of the GH4 and K-3 is 66 and 59 respectively.

Often, its tough to see the gap in sensor sizing just by going through specifications. The visual underneath might provide you a stronger sense of the sensor sizes in the GH4 and K-3.

To sum up, both cameras come with different resolutions and different sensor sizing. The GH4 with its smaller sensor will make shooting shallow DOF more difficult and the Pentax K-3 will show greater detail because of its extra 8 Megapixels. Higher resolution will make it easier to crop shots a good deal more aggressively.