Pentax K-5 IIs vs Sony A7R IV

Here, we are analyzing the Pentax K-5 IIs vs Sony A7R IV, one is a Advanced DSLR and the other is a Pro Mirrorless by brands Pentax and Sony. There is a huge difference between the sensor resolutions of the K-5 IIs (16MP) and A7R IV (61MP) and the K-5 IIs (APS-C) and A7R IV (Full frame) offer totally different sensor sizing.

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The K-5 IIs was brought out 7 years prior to the A7R IV which is quite a significant gap as far as tech is concerned. Each of the cameras feature different body design with the Pentax K-5 IIs being a Mid-size SLR camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before going straight to a complete comparison, here is a simple introduction of how the K-5 IIs grades vs the A7R IV for portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Pentax K-5 IIs and Sony Alpha A7R IV. The entire galleries are provided at Pentax K-5 IIs Gallery and Sony A7R IV Gallery.

When you are aiming to travel with your camera regularly, you are going to need to take into account its weight and size. The Pentax K-5 IIs provides external dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 760 grams (1.68 lbs) whilst the Sony A7R IV has specifications of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") along with a weight of 665 grams (1.47 lbs).

Compare the Pentax K-5 IIs vs Sony A7R IV in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you are using at that moment. Underneath is a front view dimension comparison of the K-5 IIs vs the A7R IV.

Using size and weight, the portability score of the K-5 IIs and A7R IV is 60 and 62 respectively.

In many cases, it can be hard to see the contrast between sensor dimensions purely by reviewing technical specs. The picture below may give you a more clear sense of the sensor sizes in the K-5 IIs and A7R IV.

As you can tell, both of the cameras feature different megapixels and different sensor dimensions. The K-5 IIs due to its tinier sensor will make shooting shallow DOF tougher and the Sony A7R IV will deliver more detail having its extra 45MP. Greater resolution can also help you crop photos way more aggressively. The more aged K-5 IIs is going to be behind with regard to sensor innovation.