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
Image stabilization notes
Uncompressed format
JPEG quality levels
Boosted ISO (minimum)
Boosted ISO (maximum)
Photography features
Minimum shutter speed
Maximum shutter speed
Maximum shutter speed (electronic)
Aperture priority
Shutter priority
Manual exposure mode
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
Viewfinder resolution
Videography features
File Format
Microphone
Speaker
Resolutions
Optics & Focus
Autofocus
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 X-T20 offers more focus points than the Pentax KP: 325 vs 27. More number of focus points means less risk of losing focus lock during following a moving subject.
The KP has better maximum shutter speed - 1/6000 second.
The Pentax KP battery life is better than the X-T20 battery life. According to CIPA standards you will be able to produce 390 shots with the KP and only 350 with the X-T20. The X-T20 weighs 383g that is 320g lighter than the weight of the KP.
The Pentax KP and the X-T20 have the same number of pros though as the X-T20 has that is a really important advantage then it becomes the best buy.