Compare Samsung Galaxy Watch 4 40mm


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Dimensions40.4 x 39.3 x 9.8 mm44.4 x 44.4 x 9.7 mm42.2 x 42.2 x 11.1 mm
Weight25.9 grams33.8 grams36 grams
Stand-bydepends on usagedepends on usagedepends on usage
Talk timedepends on usagedepends on usagedepends on usage
Design type
Watch
Controls
Directional key
Touchscreen
Capacitive
Capacitive
Voice command
Operating system
Wear OS
5.0
User interface
One UI Watch
6.0
Display
Color display
Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature
Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature
AMOLED
  • Size
1.2 inch1.5 inch1.2 inch
  • Resolution
396 x 396 pixels480 x 480 pixels390 x 390 pixels
  • Aspect ratio
1:11:11:1
  • Pixels Per Inch (PPI)
467453460
  • Screen-to-body ratio
29.3%36.8%26.1%
Hardware
Integrated antenna
Processor
Samsung Exynos W920, Dual Core
Samsung Exynos W1000, Dual Core
  • Clock Frequency
1.18 GHz  
Materials
Aluminium
Dust and waterproof
IP68, 5 ATM
IP6X, 5 ATM
5 ATM
Gorilla Glass
DX+
Rugged housing
MIL-STD-810G
MIL-STD-810H
Sapphire Crystal
Plastic
Personal Information Management (PIM)
Agenda
Alarm clock
Date and time notation
Stopwatch & countdown timer
Reminder list
Available applications
Pedometer
Calories
Messaging
E-mail
Instant messaging
MMS
SMS
Navigation
A-GPS
Beidou
Galileo
GLONASS
GPS receiver
Digital Compass
Build-in memory
Internal memory
  • Size (RAM)
1.5 GB2 GB 
  • Storage
16 GB32 GB4 GB
Connectivity
Bluetooth
v5.0
v5.3
NFC
Wireless Lan (WLAN/Wi-Fi)
Wi-Fi 4 (802.11n)
Wi-Fi 4 (802.11n)
ANT+
Power supply
Battery
  • Capacity
247 mAh425 mAh 
Wireless charging
Sensors
Ambient light sensor
Barometer
Gesture recognition
Gyroscope
Heart rate monitor
Oxygen saturation (SpO2)
Thermometer
Altimeter
Compatibility
With Android
Vanaf 6.0
Vanaf 11.0
With iOS