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Compare Xiaomi Watch S4

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Xiaomi Watch S4Xiaomi Watch S4 Black
£ 109,99
3 colours
OnePlus Watch 3 46mm (OPWWE251)
£ 288,85
1 colour
Huawei Watch Ultimate 2
£ 1.191,47
1 colour
Google Pixel Watch 4 45mmGoogle Pixel Watch 4 45mm Band Black
£ 509,72
3 colours

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Dimensions:47,3 x 47,3 x 12 mm36,8 x 56,6 x 11,1 mm46,6 x 47,6 x 11,75 mm47,8 x 47,8 x 12,9 mm45 x 45 x 12,3 mm
Weight:44,5 gr73,8 gr81 gr80,5 gr36,7 gr
Stand-by time:dependent on usagedependent on usage2,3 week(s)dependent on usagedependent on usage
Call time:dependent on usagedependent on usagedependent on usagedependent on usagedependent on usage
Announced:2 march 20255 april 201418 february 202519 september 202520 august 2025

Design type

Watch:

Controls

Directional key:
Swivel crown:
Touchscreen:Multi-touch, capacitiveCapacitiveCapacitiveMulti-touch, capacitive
Voice command:

User interface

HyperOS:2.0

Display

Colour display:16.777.216 colours (24 bits), AMOLED, Always On featureSuper AMOLEDAdjustable display brightness, 16.777.216 colours (24 bits), Circular Super AMOLED, Always On featureAMOLED, Always On featureAdjustable display brightness, 16.777.216 colours (24 bits), Actua 360 Display, Always On feature, DCI-P3
Peak brightness:1500 nits2200 nits3500 nits3000 nits
Refresh rate:60 Hz60 Hz
Resolution:466 x 466 pixels320 x 320 pixels466 x 466 pixels466 x 466 pixels448 x 448 pixels
Size:1.43 inch1.63 inch1.50 inch1.5 inch1.4 inch
Aspect ratio:1:11:11:11:11:1
Pixels Per Inch (PPI):461278439439453
Screen-to-body ratio:29.5%41.1%32.7%31.8%31.2%

Carrying method

Strap:InterchangeableInterchangeable
Wrist Size:135-210 mm140-210 mm140-210 mm150-185 mm + 165-215 mm
Size:22 mm

Materials

Aluminium:
Dirt and waterproof:5 ATMIP68, 5 ATMIP68/69, 20 ATMIP68, 5 ATM
Plastic:
Rugged casing:MIL-STD-810H
Sapphire Crystal:
Stainless Steel:
Ceramics:
Titanium:
Fluoroelastomer:
Gorilla Glass:5

Telephony

Integrated handsfree speaker:
Vibrating alert:
eSIM:
Flight mode:

Personalisation

Multiple homescreens:
Widgets:

Personal Information
Management (PIM)

Agenda:
Alarm clock:
Date and time notation:
Reminder list:
Stopwatch & countdown timer:
To-do list:

Available applications

Calories:
Pedometer:
Sleep tracker:
Stressmonitor:

Navigation

Beidou:
Digital Compass:
Galileo:
GLONASS:
GPS receiver:
Quasi-Zenith (QZSS):
A-GPS:
Build-in navigation system:Google Maps, Google Maps Navigation

Audio

Built-in speakers:
Microphone:
Audio codec support:AAC
Audio file support:M4A

Connections

Pogo pin:
USB:v3.0, Type-C

Connectivity

Bluetooth:v5.3v4.0v5.2, Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Hands-Free Profile (HFP), Headset Profile (HSP), Serial Port Profile (SPP)v5.2v6.0, Advanced Audio Distribution Profile (A2DP)
NFC:
Wireless Lan (WLAN/Wi-Fi):Wi-Fi 4 (802.11n)Wi-Fi 6 (802.11ax)Wi-Fi 6 (802.11ax), WiFi Direct support
Satellite communication:
Ultra-wideband (UWB):

Power supply

Battery:Li-ionLi-ionSi-C (Silicon-carbon)Li-ion
Capacity:486 mAh315 mAh631 mAh455 mAh
Fast charging:
Wireless charging:

Sensors

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

Compatibility

With Android:From 8.0From 8.0From 9.0From 11.0
With iOS:From 14.0From 13.0

Contents of the package

Manual:
Oplaadcase:
Warranty card:
Wristband:
Charging cable:USB Type-C
Quick start guide:
Safety booklet:
Oplader:

Operating system

Tizen:
Wear OS:5.06.0
OS upgrades:3
Security updates (years):3

Hardware

Processor:Dual CoreQualcomm Snapdragon W5 Gen 1, Dual CoreQualcomm Snapdragon W5 Gen 2, Quad Core
Clock Frequency:800 MHz
Integrated antenna:

Build-in memory

Internal memory:eMMC
Size (RAM):512 MB2 GB2 GB
Storage:4 GB32 GB32 GB

Messaging

E-mail:
Instant messaging:
MMS:
SMS:

Data network

4G (LTE):
UMTS:
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