Nikon D3100 vs Nikon D7500

In this write-up, we will be looking at the Nikon D3100 and Nikon D7500, former being a Entry-Level DSLR while the latter is a Advanced DSLR and both are sold by Nikon. There is a noticeable difference between the sensor resolutions of the D3100 (14MP) and D7500 (21MP) but they enjoy the same exact sensor sizing (APS-C).

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The D3100 was released 7 years prior to the D7500 and that is quite a sizable difference as far as tech is concerned. Both the cameras offer different body type with the Nikon D3100 being a Compact SLR camera and the Nikon D7500 being a Mid-size SLR camera.

Before delving straight into a full comparison, below is a quick overview of how the D3100 matches up versus the D7500 in relation to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Nikon D3100 & Nikon D7500. The complete galleries are available at Nikon D3100 Gallery & Nikon D7500 Gallery.

For anybody who is intending to carry your camera regularly, you're going to have to consider its weight and volume. The Nikon D3100 offers outside measurements of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") along with a weight of 505 grams (1.11 lbs) and the Nikon D7500 has sizing of 136mm x 104mm x 73mm (5.4" x 4.1" x 2.9") along with a weight of 720 grams (1.59 lbs).

Look at the Nikon D3100 and Nikon D7500 in our brand new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you are utilising during that time. Here is the front view dimension comparison of the D3100 vs the D7500.

Taking into consideration size and weight, the portability score of the D3100 and D7500 is 68 and 60 respectively.

Oftentimes, it is tough to visualize the difference between sensor sizing simply by looking at specifications. The graphic here will offer you a far better sense of the sensor measurements in the D3100 and D7500.

To sum up, both of those cameras enjoy the same exact sensor sizing albeit different megapixels. You can expect the Nikon D7500 to give more detail as a result of its extra 7 Megapixels. Higher resolution can also allow you to crop shots far more aggressively. The older D3100 is going to be behind when it comes to sensor innovation.