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Compare Apple Watch Series 4 40mm

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Dimensions:40 x 34 x 10,7 mm40,4 x 42,7 x 8,6 mm
Weight:30,1 gr30 gr
Stand-by time:0,8 day(s)dependent on usage
Call time:dependent on usagedependent on usage
Announced:12 september 20189 july 2025

Design type

Watch:

Controls

Touchscreen:CapacitiveCapacitive
Voice command:
Directional key:

Operating system

watchOS:4.0
Wear OS:6.0

Display

Colour display:Adjustable display brightness, 16.777.216 colours (24 bits), OLEDAdjustable display brightness, 16.777.216 colours (24 bits), Circular Super AMOLED, Always On feature
Resolution:272 x 340 pixels438 x 438 pixels
Size:1.34 inch1.34 inch
Aspect ratio:5:41:1
Pixels Per Inch (PPI):325462
Screen-to-body ratio:41.6%33.6%

Hardware

Processor:Apple S4, Dual CoreSamsung Exynos W1000, Dual Core
Integrated antenna:

Materials

Dirt and waterproof:IPX7IP68, 5 ATM
Aluminium:
Rugged casing:MIL-STD-810H
Sapphire Crystal:

Telephony

Integrated handsfree speaker:
Vibrating alert:

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
GLONASS:
GPS receiver:
A-GPS:
Beidou:
Digital Compass:
Galileo:

Audio

Built-in speakers:
Microphone:

Build-in memory

Internal memory:
Size (RAM):512 MB2 GB
Storage:16 GB32 GB

Connectivity

Bluetooth:v5.0v5.3
Synchronisation:
Wireless Lan (WLAN/Wi-Fi):Wi-Fi 4 (802.11n)Wi-Fi 4 (802.11n)
NFC:

Power supply

Battery:Li-ionLi-ion
Capacity:273 mAh325 mAh
Wireless charging:

Sensors

Ambient light sensor:
Barometer:
Gesture recognition:
Gyroscope:
Heart rate monitor:
Oxygen saturation (SpO2):
Thermometer:

Compatibility

With iOS:8.3+
With Android:From 11.0

User interface

One UI Watch:8.0

Personalisation

Multiple homescreens:
Widgets:

Messaging

E-mail:
Instant messaging:
MMS:
SMS:
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