Pentax 645D vs Pentax K-70

Below, we are evaluating the Pentax 645D and Pentax K-70, former is a Pro DSLR while the other is a Entry-Level DSLR and both are created by Pentax. There exists a large gap among the resolutions of the 645D (40MP) and K-70 (24MP) and the 645D (Medium format) and K-70 (APS-C) enjoy totally different sensor dimensions.

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The 645D was revealed 7 years earlier than the K-70 which is a fairly serious difference as far as camera technology is concerned. Both of these cameras come with different body type with the Pentax 645D being a Large SLR camera and the Pentax K-70 being a Compact SLR camera.

Before delving through a more detailed comparison, below is a brief summary of how the 645D matches up against the K-70 in regards to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Pentax 645D & Pentax K-70. The full galleries are viewable at Pentax 645D Gallery & Pentax K-70 Gallery.

When you are aiming to travel with your camera, you'll have to think about its weight and volume. The Pentax 645D has got outside dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") with a weight of 1480 grams (3.26 lbs) whilst the Pentax K-70 has sizing of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") with a weight of 688 grams (1.52 lbs).

Check out the Pentax 645D and Pentax K-70 in our completely new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will change depending on the lens you have at that time. Here is the front view proportions comparison of the 645D and the K-70.

Taking into account dimensions and weight, the portability rating of the 645D and K-70 is 50 and 62 respectively.

Sometimes, its tough to envision the difference in sensor dimensions purely by viewing technical specs. The image here will help give you a much better sense of the sensor sizes in the 645D and K-70.

As you have seen, both cameras posses different megapixel count and different sensor dimensions. The 645D having a larger sensor will make achieving shallow depth of field less difficult and the Pentax 645D will provide you with extra detail because of its extra 16MP. Greater resolution will let you crop images somewhat more aggressively. The more aged 645D will be behind when it comes to sensor innovation.