Nikon D3100 vs Sony TX7

Lets examine more closely at the Nikon D3100 versus Sony TX7, one is a Entry-Level DSLR and the latter is a Ultracompact by competitors Nikon and Sony. There is a huge difference between the resolutions of the D3100 (14MP) and TX7 (10MP) and the D3100 (APS-C) and TX7 (1/2.4") come with different sensor size.

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The D3100 was brought out 12 months after the TX7 so they are of a similar generation. Both of these cameras come with different body type with the Nikon D3100 being a Compact SLR camera and the Sony TX7 being a Ultracompact camera.

Before diving through a comprehensive comparison, below is a concise summary of how the D3100 scores against the TX7 for portability, imaging, features and an overall score.

This is a preview of the gallery images for Nikon D3100 and Sony Cyber-shot DSC-TX7. The entire galleries are viewable at Nikon D3100 Gallery and Sony TX7 Gallery.

For anybody who is looking to carry around your camera regularly, you will have to consider its weight and volume. The Nikon D3100 provides physical measurements of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") having a weight of 505 grams (1.11 lbs) whilst the Sony TX7 has sizing of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") with a weight of 149 grams (0.33 lbs).

Check the Nikon D3100 versus Sony TX7 in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at that moment. Underneath is the front view physical size comparison of the D3100 vs the TX7.

Taking into consideration size and weight, the portability score of the D3100 and TX7 is 68 and 95 respectively.

Usually, it is very hard to imagine the contrast between sensor sizes just by going over specs. The picture below might provide you a far better sense of the sensor sizing in the D3100 and TX7.

All in all, both of those cameras have got different megapixel count and different sensor sizes. The D3100 because of its bigger sensor is going to make shooting shallower DOF easier and the Nikon D3100 will offer more detail having its extra 4 Megapixels. Higher resolution will also enable you to crop shots much more aggressively. The younger D3100 provides an advantage in sensor technology.