Pentax 645D vs Sony TX100V

Here is a extensive assessment of the Pentax 645D and Sony TX100V, one being a Pro DSLR and the other is a Ultracompact by companies Pentax and Sony. There is a sizeable difference among the resolutions of the 645D (40MP) and TX100V (16MP) and the 645D (Medium format) and TX100V (1/2.3") provide different sensor dimensions.

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The 645D was unveiled 10 months prior to the TX100V which means that they are both of a similar generation. Both the cameras feature different body design with the Pentax 645D being a Large SLR camera and the Sony TX100V being a Ultracompact camera.

Before going into a in depth comparison, here is a quick overview of how the 645D scores versus the TX100V when considering portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Pentax 645D and Sony Cyber-shot DSC-TX100V. The full galleries are provided at Pentax 645D Gallery and Sony TX100V Gallery.

For anybody who is planning to carry your camera often, you need to consider its weight and volume. The Pentax 645D features external measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) while the Sony TX100V has sizing of 97mm x 59mm x 18mm (3.8" x 2.3" x 0.7") having a weight of 147 grams (0.32 lbs).

Analyze the Pentax 645D and Sony TX100V in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at the time. The following is a front view physical size comparison of the 645D and the TX100V.

Taking into account size and weight, the portability grade of the 645D and TX100V is 50 and 95 respectively.

Oftentimes, it can be tough to picture the contrast in sensor sizing only by seeing specifications. The visual underneath will help provide you a clearer sense of the sensor sizing in the 645D and TX100V.

To sum up, both of those cameras feature different resolutions and different sensor sizing. The 645D using its larger sensor is going to make achieving shallow DOF less difficult and the Pentax 645D will show more detail having an extra 24 Megapixels. Greater resolution will also let you crop images way more aggressively. The older 645D will be behind with regard to sensor innovation.