Panasonic GH4 vs Pentax 645Z

In this write-up, we are reviewing the Panasonic GH4 and Pentax 645Z, former is a Pro Mirrorless while the other is a Pro DSLR by brands Panasonic and Pentax. There exists a considerable gap between the sensor resolutions of the GH4 (16MP) and 645Z (51MP) and the GH4 (Four Thirds) and 645Z (Medium format) feature totally different sensor sizes.

Meta to Introduce 'AI-Generated' Labels for Media starting next month

The GH4 was brought out 2 months earlier than the 645Z and they are of a similar age. Both the cameras offer different body type with the Panasonic GH4 being a SLR-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before going in to a detailed comparison, below is a brief view of how the GH4 matches up versus the 645Z when it comes to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Panasonic Lumix DMC-GH4 & Pentax 645Z. The entire galleries are viewable at Panasonic GH4 Gallery & Pentax 645Z Gallery.

If you are intending to travel with your camera frequently, you will have to consider its weight and volume. The Panasonic GH4 has got outside dimensions of 133mm x 93mm x 84mm (5.2" x 3.7" x 3.3") and a weight of 560 grams (1.23 lbs) while the Pentax 645Z has sizing of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Check out the Panasonic GH4 and Pentax 645Z in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you are utilizing at that moment. Underneath is the front view size comparison of the GH4 versus the 645Z.

Using dimensions and weight, the portability score of the GH4 and 645Z is 66 and 49 respectively.

Normally, it is very hard to see the gap between sensor dimensions simply by checking specifications. The pic underneath will provide you a far better sense of the sensor dimensions in the GH4 and 645Z.

To sum up, both the cameras offer different megapixels and different sensor dimensions. The GH4 because of its tinier sensor will make getting shallow DOF trickier and the Pentax 645Z will give greater detail having its extra 35 Megapixels. Greater resolution will also help you crop photos a little more aggressively.