Pentax 645D vs Pentax P80

Lets take a more detailed look at the Pentax 645D vs Pentax P80, one is a Pro DSLR and the latter is a Small Sensor Compact and both of them are produced by Pentax. There is a huge difference between the resolutions of the 645D (40MP) and P80 (12MP) and the 645D (Medium format) and P80 (1/2.3") use totally different sensor size.

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The 645D was unveiled 8 months after the P80 which means that they are of a similar generation. Each of these cameras offer different body type with the Pentax 645D being a Large SLR camera and the Pentax P80 being a Compact camera.

Before delving straight into a thorough comparison, below is a quick highlight of how the 645D grades versus the P80 when considering portability, imaging, features and an overall score.

This is a preview of the gallery images for Pentax 645D and Pentax Optio P80. The full galleries are available at Pentax 645D Gallery and Pentax P80 Gallery.

If you're intending to carry around your camera, you'll need to consider its weight and volume. The Pentax 645D features external dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs) while the Pentax P80 has sizing of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") along with a weight of 125 grams (0.28 lbs).

Look at the Pentax 645D vs Pentax P80 in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you use at that moment. Below is the front view measurements comparison of the 645D compared to the P80.

Taking into account size and weight, the portability score of the 645D and P80 is 50 and 95 respectively.

In many cases, it can be hard to envision the gap between sensor sizes purely by checking specifications. The pic underneath may offer you a better sense of the sensor sizes in the 645D and P80.

Plainly, both of the cameras offer different resolutions and different sensor sizes. The 645D having a bigger sensor will make shooting shallower DOF less difficult and the Pentax 645D will resolve greater detail having an extra 28MP. Higher resolution will enable you to crop photographs a little more aggressively. The fresher 645D will have a benefit with regard to sensor innovation.