Main
Model
Price
Advantages
launch
Announced
Body type
Camera subcategory
Sensor
Effective pixels
Max resolution
Sensor size
Sensor type
Processor
Image ratio w:h
Other resolutions
Sensor photo detectors
Image
ISO
White balance presets
Custom white balance
Image stabilization
Uncompressed format
JPEG quality levels
Boosted ISO (maximum)
Photography features
Minimum shutter speed
Maximum shutter speed
Aperture priority
Shutter priority
Manual exposure mode
Subject / scene modes
Built-in flash
Flash range
External flash
Flash modes
Continuous drive
Self-timer
Metering modes
Exposure compensation
WB Bracketing
AE Bracketing
Screen / viewfinder
Articulated LCD
Screen size
Screen dots
Touch screen
Screen type
Live view
Viewfinder type
Viewfinder coverage
Viewfinder magnification
Videography features
Resolutions
File Format
Microphone
Speaker
Optics & Focus
Autofocus
Digital zoom
Manual focus
Number of focus points
Lens mount
Focal length multiplier
Physical
Weight (inc. batteries)
Dimensions
Environmentally sealed
Battery
Battery details
Battery Life (CIPA)
Storage
Storage types
Connectivity
USB
HDMI
Microphone port
Headphone port
Wireless
Wireless notes
Remote control
Other features
Orientation sensor
Timelapse recording
GPS
GPS notes
Samples
Videos
Summary
The D3400 maximum resolution of 6000 x 4000 pixels (24 megapixels) is better than the Nikon D5100 maximum resolution of 4928 x 3264 pixels (16 megapixels). The Nikon D5100 is produced with bigger sensor compared to the D3400: APS-C (23.6 x 15.7 mm) versus APS-C (23.5 x 15.6 mm). It is very significant specification of this camera as large sensor lets the camera owner to produce photos of the better quality.
The D5100 is produced with swiveling LCD that will let the camera owner to take photos from any interesting perspective.
The D3400 is produced with built-in Wi-Fi that will help you to transfer photos wirelessly from a digital camera to a notebook. The D3400 weighs 395g that is 165g lighter than the weight of the D5100. The D5100 can utilize optional accessory GPS devices. Recording GPS data can be convenient if you like to travel, to be able to go into the photo metadata and find out exactly where a photo was shot.
The D3400 and the Nikon D5100 have an equal number of advantages though as the D5100 has bigger sensor that is a really significant specification then this camera will be the best buy.