Panasonic GH5 vs Pentax 645D

Let's look a little more in depth at the Panasonic GH5 versus Pentax 645D, former being a Pro Mirrorless while the other is a Pro DSLR by manufacturers Panasonic and Pentax. There is a sizable difference among the sensor resolutions of the GH5 (20MP) and 645D (40MP) and the GH5 (Four Thirds) and 645D (Medium format) come with different sensor sizes.

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The GH5 was announced 6 years later than the 645D and that is a fairly significant difference as far as camera tech is concerned. Both the cameras come with different body type with the Panasonic GH5 being a SLR-style mirrorless camera and the Pentax 645D being a Large SLR camera.

Before we go in to a in depth comparison, below is a simple highlight of how the GH5 scores versus the 645D in regards to portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Panasonic Lumix DMC-GH5 & Pentax 645D. The whole galleries are provided at Panasonic GH5 Gallery & Pentax 645D Gallery.

For anybody who is aiming to lug around your camera regularly, you're going to have to take into account its weight and dimensions. The Panasonic GH5 provides physical dimensions of 139mm x 98mm x 87mm (5.5" x 3.9" x 3.4") having a weight of 725 grams (1.60 lbs) and the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).

Compare the Panasonic GH5 versus Pentax 645D in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary based on the lens you are utilizing during that time. Below is the front view proportions comparison of the GH5 and the 645D.

Factoring in size and weight, the portability rating of the GH5 and 645D is 59 and 50 respectively.

In many cases, it is tough to visualize the gap in sensor measurements merely by going through technical specs. The visual below might offer you a greater sense of the sensor dimensions in the GH5 and 645D.

As you have seen, the 2 cameras posses different megapixels and different sensor measurements. The GH5 using its smaller sensor is going to make shooting shallow DOF more challenging and the Pentax 645D will show more detail with its extra 20 Megapixels. Greater resolution will help you crop photos somewhat more aggressively. The younger GH5 should have an advantage in sensor technology.