Pentax WG-3 GPS vs Sony A7R IV

Following is a extensive comparison of the Pentax WG-3 GPS and Sony A7R IV, former is a Waterproof while the latter is a Pro Mirrorless by rivals Pentax and Sony. There exists a sizable gap between the resolutions of the WG-3 GPS (16MP) and A7R IV (61MP) and the WG-3 GPS (1/2.3") and A7R IV (Full frame) enjoy different sensor sizing.

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The WG-3 GPS was released 7 years prior to the A7R IV which is quite a significant difference as far as technology is concerned. Both of the cameras come with different body type with the Pentax WG-3 GPS being a Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before we go in to a detailed comparison, below is a quick summation of how the WG-3 GPS scores versus the A7R IV with regards to portability, imaging, features and an overall score.

This is a preview of the gallery images for Pentax WG-3 GPS & Sony Alpha A7R IV. The complete galleries are provided at Pentax WG-3 GPS Gallery & Sony A7R IV Gallery.

If you're aiming to carry around your camera frequently, you're going to have to consider its weight and measurements. The Pentax WG-3 GPS provides outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 238 grams (0.52 lbs) whilst the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") having a weight of 665 grams (1.47 lbs).

Analyze the Pentax WG-3 GPS and Sony A7R IV in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change dependant on the lens you have during that time. Following is the front view dimensions comparison of the WG-3 GPS versus the A7R IV.

Using dimensions and weight, the portability grade of the WG-3 GPS and A7R IV is 90 and 62 respectively.

Sometimes, it is very hard to imagine the gap between sensor sizes just by checking technical specs. The picture underneath may provide you a far better sense of the sensor dimensions in the WG-3 GPS and A7R IV.

As you can tell, each of these cameras have got different megapixels and different sensor sizes. The WG-3 GPS due to its tinier sensor is going to make shooting bokeh more challenging and the Sony A7R IV will resolve more detail as a result of its extra 45MP. Higher resolution will also help you crop photographs much more aggressively. The more aged WG-3 GPS is going to be behind in sensor technology.