Nikon D3000 vs. Nikon D3100

What's the Difference?

The Nikon D3000 and Nikon D3100 are both entry-level DSLR cameras that offer excellent image quality and user-friendly features. However, there are a few key differences between the two models. The D3100 has a higher resolution sensor, with 14.2 megapixels compared to the D3000's 10.2 megapixels. This allows for more detailed and sharper images. Additionally, the D3100 has a higher ISO range, which means it performs better in low-light conditions. It also has a faster continuous shooting speed and a higher video resolution. Overall, while the D3000 is a solid camera, the D3100 offers some notable improvements in image quality and performance.


AttributeNikon D3000Nikon D3100
Resolution10.2 MP14.2 MP
Image SensorCMOSCMOS
ISO Range100-1600100-3200
Autofocus Points1111
Shutter Speed1/4000 - 30 sec1/4000 - 30 sec
Continuous Shooting Speed3 fps3 fps
Video RecordingNoYes
Display Size3.0 inches3.0 inches
Weight485 g505 g

Further Detail


When it comes to entry-level DSLR cameras, Nikon has been a popular choice among photography enthusiasts. The Nikon D3000 and Nikon D3100 are two models that have gained significant attention in the market. Both cameras offer excellent image quality and user-friendly features, making them suitable for beginners. In this article, we will compare the attributes of the Nikon D3000 and Nikon D3100 to help you make an informed decision about which camera suits your needs.

Design and Build

The Nikon D3000 and Nikon D3100 share a similar design language, featuring a compact and lightweight body that is comfortable to hold. However, the D3100 has a slightly smaller and lighter body compared to the D3000, making it more portable for on-the-go photography. Both cameras have a durable construction, ensuring longevity even with regular use.

Both models feature a 3-inch LCD screen, but the D3100 has a higher resolution display, offering better clarity for reviewing images and navigating through the camera's menu system. Additionally, the D3100 introduces Live View mode, allowing users to compose shots using the LCD screen, which is a handy feature for those transitioning from point-and-shoot cameras.

Image Quality

When it comes to image quality, both the Nikon D3000 and Nikon D3100 deliver exceptional results. They are equipped with a 14.2-megapixel DX-format CMOS sensor, which produces sharp and detailed images with vibrant colors. The D3100, however, benefits from an upgraded image processor, resulting in improved noise reduction and better low-light performance compared to the D3000.

Both cameras offer a wide ISO range, allowing users to capture images in various lighting conditions. The D3100 has a slightly extended ISO range, reaching up to ISO 3200, which can be further expanded to ISO 12800 in Hi-1 mode. This expanded ISO range gives the D3100 an advantage when shooting in challenging low-light situations.

Autofocus and Speed

When it comes to autofocus performance, the Nikon D3100 takes the lead. It features an 11-point autofocus system, including a cross-type sensor in the center, which ensures accurate and fast focusing. On the other hand, the D3000 has a basic 3-point autofocus system, which may not be as reliable in certain situations.

In terms of continuous shooting speed, the D3100 offers a faster burst rate compared to the D3000. The D3100 can shoot at a continuous speed of 3 frames per second, allowing users to capture fast-moving subjects with ease. The D3000, on the other hand, has a slower burst rate of 3 frames per second, which may limit its suitability for action photography.

Video Recording

Both the Nikon D3000 and Nikon D3100 offer video recording capabilities, allowing users to capture high-definition videos. However, the D3100 introduces Full HD video recording, which is a significant improvement over the D3000's limited video capabilities. The D3100 can record videos at a resolution of 1920x1080 pixels, providing users with the ability to capture detailed and smooth footage.

Furthermore, the D3100 offers autofocus during video recording, ensuring that your subjects remain sharp and in focus. This feature is absent in the D3000, which may require manual focus adjustments while recording videos.

Additional Features

Both cameras offer a range of additional features to enhance the photography experience. The D3100 introduces an in-camera guide mode, which provides step-by-step instructions and tips for beginners, making it easier to learn and explore different camera settings. This feature is absent in the D3000, which may require users to rely on external resources for guidance.

Additionally, the D3100 includes an HDMI output, allowing users to connect the camera directly to a high-definition television or monitor for easy playback of images and videos. The D3000 lacks this feature, limiting its connectivity options.


Both the Nikon D3000 and Nikon D3100 are excellent entry-level DSLR cameras that offer impressive image quality and user-friendly features. The D3100, however, comes with several enhancements over the D3000, including a higher resolution LCD screen, improved low-light performance, faster autofocus, Full HD video recording, and an in-camera guide mode. If you are looking for a more advanced and versatile camera, the D3100 would be the better choice. However, if you are on a budget or prefer a simpler camera, the D3000 still provides a solid option for beginners. Ultimately, the decision between the two cameras depends on your specific needs and preferences as a photographer.

Comparisons may contain inaccurate information about people, places, or facts. Please report any issues.