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Compare Polar Grit X2 Pro

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Xiaomi Watch S4 41mm
£ 129,99
4 colours

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Dimensions:48,6 x 48,6 x 13,4 mm41,2 x 41,2 x 9,5 mm
Weight:79 gr32 gr
Stand-by time:dependent on usagedependent on usage
Call time:dependent on usagedependent on usage
Announced:20 march 202424 september 2025

Design type

Watch:

Controls

Directional key:
Touchscreen:Multi-touch, capacitive
Swivel crown:

Display

Colour display:Adjustable display brightness, AMOLED, Always On feature16.777.216 colours (24 bits), AMOLED, Always On feature
Resolution:454 x 454 pixels466 x 466 pixels
Size:1.39 inch1.32 inch
Aspect ratio:1:11:1
Pixels Per Inch (PPI):462499
Screen-to-body ratio:26.4%33.1%
Peak brightness:1500 nits
Refresh rate:60 Hz

Carrying method

Strap:Interchangeable
Size:22 mm
Wrist Size:135-210 mm

Hardware

Integrated antenna:
Processor:275 MHz

Materials

Dirt and waterproof:10 ATM5 ATM
Plastic:
Rugged casing:MIL-STD-810H
Stainless Steel:

Telephony

Vibrating alert:
Integrated handsfree speaker:

Personalisation

Multiple homescreens:
Widgets:

Personal Information
Management (PIM)

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

Navigation

A-GPS:
Beidou:
Digital Compass:
Galileo:
GLONASS:
GPS receiver:
Quasi-Zenith (QZSS):

Build-in memory

Internal memory:
Size (RAM):37 MB
Storage:32 GB

Connections

Pogo pin:
USB:Type-C

Connectivity

Bluetooth:v5.4
NFC:

Power supply

Battery:Li-polyLi-ion
Capacity:488 mAh320 mAh

Sensors

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

User interface

HyperOS:3

Available applications

Calories:
Pedometer:
Sleep tracker:
Stressmonitor:

Audio

Built-in speakers:
Microphone:

Compatibility

With Android:From 8.0
With iOS:From 14.0

Contents of the package

Manual:
Oplaadcase:
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