Pentax K-3 II vs Sony W310

Its time to take a deeper look at the Pentax K-3 II and Sony W310, former is a Advanced DSLR while the latter is a Ultracompact by competitors Pentax and Sony. There is a sizable difference between the sensor resolutions of the K-3 II (24MP) and W310 (12MP) and the K-3 II (APS-C) and W310 (1/2.3") enjoy totally different sensor measurements.

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The K-3 II was released 5 years after the W310 which is quite a significant difference as far as tech is concerned. The two cameras come with different body type with the Pentax K-3 II being a Mid-size SLR camera and the Sony W310 being a Ultracompact camera.

Before delving through a in-depth comparison, below is a brief introduction of how the K-3 II matches up against the W310 when it comes to portability, imaging, features and an overall mark.

This is a preview of the gallery images for Pentax K-3 II & Sony Cyber-shot DSC-W310. The complete galleries are available at Pentax K-3 II Gallery & Sony W310 Gallery.

For anyone who is aiming to travel with your camera often, you'll need to take into account its weight and size. The Pentax K-3 II comes with external dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") along with a weight of 800 grams (1.76 lbs) whilst the Sony W310 has specifications of 95mm x 55mm x 19mm (3.7" x 2.2" x 0.7") with a weight of 137 grams (0.30 lbs).

See the Pentax K-3 II and Sony W310 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary depending on the lens you are utilising at that moment. Here is the front view proportions comparison of the K-3 II against the W310.

Factoring in size and weight, the portability score of the K-3 II and W310 is 59 and 96 respectively.

Generally, it can be hard to envision the difference between sensor dimensions simply by going over specs. The picture below will help provide you a clearer sense of the sensor dimensions in the K-3 II and W310.

All in all, both cameras posses different megapixel count and different sensor dimensions. The K-3 II because of its bigger sensor will make getting shallower depth of field easier and the Pentax K-3 II will offer you greater detail as a result of its extra 12MP. Higher resolution will let you crop photographs somewhat more aggressively. The fresher K-3 II will have an advantage in sensor tech.