Sony A450 vs Sony TX20

Below, we are evaluating the Sony A450 versus Sony TX20, former being a Entry-Level DSLR while the other is a Ultracompact and they are both sold by Sony. The sensor resolution of the A450 (14MP) and the TX20 (16MP) is fairly close but the A450 (APS-C) and TX20 (1/2.3") come with different sensor size.

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The A450 was brought out 3 years before the TX20 and that is a fairly serious difference as far as camera technology is concerned. Both of these cameras come with different body type with the Sony A450 being a Compact SLR camera and the Sony TX20 being a Ultracompact camera.

Before diving through a more detailed comparison, below is a short overview of how the A450 scores versus the TX20 in terms of portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Sony Alpha DSLR-A450 & Sony Cyber-shot DSC-TX20. The entire galleries are available at Sony A450 Gallery & Sony TX20 Gallery.

For anyone who is looking to lug around your camera frequently, you have to factor its weight and size. The Sony A450 offers outer dimensions of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") with a weight of 560 grams (1.23 lbs) and the Sony TX20 has specifications of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") and a weight of 133 grams (0.29 lbs).

Analyze the Sony A450 versus Sony TX20 in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary based on the lens you are employing at that time. Underneath is the front view dimensions comparison of the A450 vs the TX20.

Taking into consideration dimensions and weight, the portability grade of the A450 and TX20 is 65 and 96 respectively.

Sometimes, it is difficult to picture the difference in sensor measurements only by researching technical specs. The visual underneath will help give you a much better sense of the sensor dimensions in the A450 and TX20.

As you have seen, both the cameras posses different megapixels and different sensor measurements. The A450 because of its larger sensor is going to make shooting shallow DOF simpler and the Sony TX20 will render greater detail having its extra 2 Megapixels. Greater resolution can also help you crop images somewhat more aggressively. The older A450 will be behind with regard to sensor innovation.