Panasonic G3 vs Pentax K-5

In this article, we are contrasting the Panasonic G3 vs Pentax K-5, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by rivals Panasonic and Pentax. The image resolution of the G3 (16MP) and the K-5 (16MP) is very comparable but the G3 (Four Thirds) and K-5 (APS-C) feature totally different sensor measurements.

Sora from OpenAI releases its first ever music video

The G3 was manufactured 7 months later than the K-5 which means that they are both of a similar generation. Both the cameras offer different body type with the Panasonic G3 being a SLR-style mirrorless camera and the Pentax K-5 being a Mid-size SLR camera.

Before diving straight into a complete comparison, below is a concise highlight of how the G3 matches up against the K-5 when considering portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Panasonic Lumix DMC-G3 and Pentax K-5. The entire galleries are available at Panasonic G3 Gallery and Pentax K-5 Gallery.

For those who are aiming to carry your camera regularly, you will need to consider its weight and size. The Panasonic G3 provides physical dimensions of 115mm x 84mm x 47mm (4.5" x 3.3" x 1.9") having a weight of 336 grams (0.74 lbs) while the Pentax K-5 has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs).

Check the Panasonic G3 vs Pentax K-5 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary based on the lens you select at the time. Underneath is the front view measurements comparison of the G3 compared to the K-5.

Factoring in dimensions and weight, the portability score of the G3 and K-5 is 83 and 60 respectively.

Typically, it is very difficult to visualise the gap in sensor sizing merely by going through specifications. The visual underneath will help give you a greater sense of the sensor sizes in the G3 and K-5.

To sum up, the two cameras offer the same exact megapixels but not the same sensor sizing. The G3 includes the smaller sensor which will make achieving shallower DOF tougher. The newer G3 is going to have an advantage with regard to sensor technology.