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 (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
WB Bracketing
AE Bracketing
Screen / viewfinder
Articulated LCD
Screen size
Screen dots
Touch screen
Screen type
Live view
Viewfinder type
Viewfinder coverage
Viewfinder magnification
Viewfinder resolution
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
Storage included
Connectivity
USB
HDMI
Wireless
Wireless notes
Remote control
Microphone port
Headphone port
Other features
Orientation sensor
Timelapse recording
GPS
GPS notes
Samples
Videos
Summary
The Alpha a6000 offers better 2X digital zoom. The Sony Alpha a6000 provides more number of focus points in compare with the D3300: 179 vs 11. More focus points means less risk of losing focus lock when tracking a moving subject.
The Alpha a6000 is equipped with tilting display that will allow the photographer to take pictures from any odd perspective. The Sony Alpha a6000 screen is better as it has more number of screen dots 921,600 in compare to 921,000 dots of the D3300 display. The higher dot count screen is better for reviewing pictures on your camera.
The Alpha a6000 is equipped with built-in Wi-Fi that will help you to transfer photos wirelessly from a digital camera to a computer. The D3300 battery life is better in compare to the Sony Alpha a6000 battery life. In accordance with CIPA standards the photographer will be able to produce 700 shots with the D3300 and only 360 with the Alpha a6000. The Alpha a6000 weighs 344g which is 86g less than the weight of the Nikon D3300. The Nikon D3300 can utilize optional accessory GPS devices. This feature can be convenient if you like to travel, to be able to go into the picture metadata and see exactly where a picture was taken.
Considering the above differences the Sony Alpha a6000 will become the best choice. Get the lowest price on Amazon.