Nikon D3100 vs Nikon D700

Here, we are evaluating the Nikon D3100 and Nikon D700, former is a Entry-Level DSLR while the other is a Advanced DSLR and both are sold by Nikon. The image resolution of the D3100 (14MP) and the D700 (12MP) is fairly comparable but the D3100 (APS-C) and D700 (Full frame) posses different sensor size.

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The D3100 was introduced 2 years after the D700 which is a fairly big difference as far as camera technology is concerned. The two cameras feature different body design with the Nikon D3100 being a Compact SLR camera and the Nikon D700 being a Mid-size SLR camera.

Before diving into a step-by-step comparison, here is a simple summary of how the D3100 grades against the D700 with regard to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Nikon D3100 & Nikon D700. The whole galleries are viewable at Nikon D3100 Gallery & Nikon D700 Gallery.

When you are planning to carry around your camera often, you will need to consider its weight and size. The Nikon D3100 offers physical dimensions of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") along with a weight of 505 grams (1.11 lbs) while the Nikon D700 has specifications of 147mm x 123mm x 77mm (5.8" x 4.8" x 3.0") having a weight of 1074 grams (2.37 lbs).

Check out the Nikon D3100 and Nikon D700 in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you select at the time. Below is a front view size comparison of the D3100 versus the D700.

Taking into consideration dimensions and weight, the portability grade of the D3100 and D700 is 68 and 54 respectively.

Typically, it can be hard to imagine the difference in sensor sizes purely by seeing technical specs. The pic below will help provide you a stronger sense of the sensor sizes in the D3100 and D700.

As you can tell, both of the cameras come with different megapixel count and different sensor sizes. The D3100 with its smaller sensor is going to make shooting shallow DOF more difficult and the Nikon D3100 will provide more detail using its extra 2MP. Greater resolution will also allow you to crop images a good deal more aggressively. The more modern D3100 provides an advantage when it comes to sensor tech.