Main
Model
Price
Advantages
launch
Announced
Body type
Camera subcategory
Sensor
Effective pixels
Max resolution
Sensor size
Sensor type
Processor
Image ratio w:h
Sensor photo detectors
Image
ISO
Boosted ISO (minimum)
White balance presets
Custom white balance
Image stabilization
Uncompressed format
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
Videography features
Resolutions
File Format
Videography notes
Microphone
Speaker
Optics & Focus
Focal length (equiv.)
Optical zoom
Maximum aperture
Autofocus
Digital zoom
Manual focus
Normal focus range
Macro focus range
Physical
Weight (inc. batteries)
Dimensions
Environmentally sealed
Battery
Battery details
Battery Life (CIPA)
Storage
Storage types
Storage included
Connectivity
USB
HDMI
Microphone port
Headphone port
Wireless
Remote control
Other features
Orientation sensor
Timelapse recording
GPS
GPS notes
Samples
Videos
Summary
The Stylus Tough TG-870 has tilting display which will let you to shoot photos from any odd angle. The Stylus Tough TG-870 display is better as it offers more number of screen dots 921,000 in comparison to 460,000 dots of the Olympus Tough TG-4 screen. The higher dot count display is better for reviewing pictures on your camera.
The Olympus Tough TG-4 battery life is better than the Stylus Tough TG-870 battery life. According to CIPA standards the photographer will be able to make 380 shots with the Tough TG-4 and only 300 with the Stylus Tough TG-870. The Stylus Tough TG-870 weighs 221g which is 26g less than the weight of the Tough TG-4.
Considering the above differences the Olympus Stylus Tough TG-870 will be the best choice. Check the list of the best offers on Amazon.