Compare Apple Watch Series 4 40mm


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Dimensions40 x 34 x 10.7 mm39.5 x 39.5 x 10.5 mm46 x 49 x 12.9 mm38.6 x 33.3 x 11.4 mm
Weight30.1 grams25 grams62 grams26.7 grams
Stand-by0.8 daysdepends on usagedepends on usagedepends on usage
Talk timedepends on usagedepends on usagedepends on usagedepends on usage
Design type
Watch
Controls
Touchscreen
Capacitive
Capacitive
Capacitive
Capacitive
Voice command
Directional key
Operating system
watchOS
4.0
4.0
Tizen
4
2.3.2
Display
Color display
Adjustable display brightness, 16.777.216 colors (24 bits), OLED
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
Adjustable display brightness, 16.777.216 colors (24 bits), AMOLED
  • Size
1.34 inch1.1 inch1.3 inch1.34 inch
  • Resolution
272 x 340 pixels360 x 360 pixels360 x 360 pixels272 x 340 pixels
  • Aspect ratio
5:41:11:15:4
  • Pixels Per Inch (PPI)
325463392325
  • Screen-to-body ratio
41.6%25%24.2%44%
Hardware
Processor
Apple S4, Dual Core
Samsung Exynos 9110, Dual Core
Dual Core
Dual Core
  • Clock Frequency
 1.15 GHz1 GHz 
Integrated antenna
Materials
Dust and waterproof
IPX7
IP68, 5 ATM
IP68
IPX7
Gorilla Glass
Rugged housing
MIL-STD-810G
Telephony
Integrated handsfree speaker
Vibrating alert
eSIM
Flight mode
Personal Information Management (PIM)
Alarm clock
Date and time notation
Reminder list
Stopwatch & countdown timer
Agenda
Available applications
Pedometer
Photo album
Navigation
Build-in navigation system
Apple Maps
Apple Maps
GLONASS
GPS receiver
A-GPS
Audio
Microphone
Audio codec support
AAC, AAC+, eAAC+, OGG Vorbis
Audio file support
M4A, MP3
Build-in memory
Internal memory
  • Size (RAM)
512 MB768 MB768 MB512 MB
  • Storage
16 GB4 GB4 GB16 GB
Connectivity
Bluetooth
v5.0
v4.2
v4.2, Advanced Audio Distribution Profile (A2DP)
v4.2
Synchronisation
Wireless Lan (WLAN/Wi-Fi)
Wi-Fi 4 (802.11n)
Wi-Fi 4 (802.11n)
Wi-Fi 4 (802.11n)
Wi-Fi 4 (802.11n)
NFC
Power supply
Battery
Li-ion
Li-ion
Li-ion
  • Capacity
273 mAh230 mAh380 mAh273 mAh
Wireless charging
Sensors
Ambient light sensor
Barometer
Gesture recognition
Gyroscope
Heart rate monitor
Compatibility
With iOS
8.3+
9.0+
8.3+
With Android
5.0+
Messaging
E-mail
Instant messaging
MMS
SMS
Data network
4G (LTE)
GPRS
UMTS
Connections
USB
v2.0