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
Boosted ISO (minimum)
Boosted ISO (maximum)
White balance presets
Custom white balance
Image stabilization
Uncompressed format
JPEG quality levels
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
AE Bracketing
WB 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
Videography notes
Microphone
Speaker
Optics & Focus
Autofocus
Manual focus
Number of focus points
Lens mount
Digital zoom
Focal length multiplier
Physical
Weight (inc. batteries)
Dimensions
Environmentally sealed
Battery
Battery details
Battery Life (CIPA)
Storage
Storage types
Storage included
Connectivity
USB
HDMI
Wireless
Remote control
Other features
Orientation sensor
Timelapse recording
GPS
GPS notes
Samples
Videos
Summary
The D7100 maximum resolution of 6000 x 4000 pixels (24 megapixels) is better in comparison with the D300 highest resolution of 4288 x 2848 pixels (12 megapixels). The D300 is produced with larger sensor than the D7100: APS-C (23.6 x 15.8 mm) versus APS-C (23.5 x 15.6 mm). It is very significant difference between these cameras because large sensor allows the photographer to shoot photos of the more professional quality. The D7100 offers a wider ISO range of ISO100–6400,Lo-1(ISO50),Hi-1(ISO12,800),Hi-2(ISO25,600) in compare with 200-3200 ISO range of the D300. This ISO range let the photographer to shoot better photos in dim light conditions.
The D7100 screen is better as it has more number of screen dots 1,228,800 in comparison to 922,000 dots of the D300 screen. The higher dot count screen is better for reviewing images on your camera.
The D300 battery life is better in compare to the D7100 battery life. According to CIPA standards the photographer will be able to take 1000 photos with the D300 and only 950 with the D7100. The D7100 weighs 765g that is 160g less in comparison with the weight of the Nikon D300.
The D7100 has 11 advantages and the D300 only 2 so the D7100 is the best choice. Get the lowest price on Amazon.