Xiaomi Watch S4 vs Apple Watch Series 9 GPS + Cellular comparison

Compare Xiaomi Watch S4
Compare Apple Watch Series 9 GPS + Cellular
key specs
Dial ShapeRoundRectangle
Display TypeAMOLEDOLED Retina
Ideal ForUnisexUnisex
Strap Material-Silicone
general
BrandXiaomiApple
ModelWatch S4Watch Series 9 GPS + Cellular
Release dateOctober 29, 2024September 12, 2023
Dial ShapeRoundRectangle
SizeRegularRegular
Touchscreen1.43Yes
Interchangeable StrapYesYes
Water Resistant5 ATMYes
UsageRegularFitness & Outdoor
Ideal ForUnisexUnisex
Model Name-Watch Series 9 GPS
Strap Material-Silicone
Water Resistance Depth-5ATM
dimensions
Width47.3-
Height47.3-
Thickness12-
Weight (g)44.50-
product details
Sensorheart rate, SpO2, steps, sleep trackerCompass, Always-On Altimeter, optical heart rate sensor, Accelerometer, Gyroscope and Ambient light sensor
Battery Type486mAh-
Battery Life1518 hours
Compatible Device-iOS
Notification-Yes
Rechargeable Battery-Yes
connectivity features
BluetoothYesYes
Bluetooth Version5.2-
Wi-FiYesYes
GPSYesYes
Other Connectivity FeaturesNFC, Galileo, Glonass, Beidou, QZSSEmergency SOS
Call Function-Yes
Messaging Support-Yes
Email Support-Yes
Call Features-International Emergency Calling
platform and storage features
Operating SystemHyperOS 2watchOS
Number of Cores-dual-core
Processor Name-S9
Internal Memory-64GB
camera and display features
Display Resolution466 x 466-
Display TypeAMOLEDOLED Retina
Backlight Display-Yes
Other Display Features-LTPO OLED Always-On Retina display, up to 2000 nits of peak brightness
fitness and watch functions
Step CountYesYes
Heart Rate MonitorYesYes
Date & Time DisplayYesYes
Calorie Count-Yes
Altimeter-Yes
Compass-Yes
Calendar-Yes
Alarm Clock-Yes
Chronograph-Yes
Language-English
Number of Buttons-2
Other Fitness Features-Blood Oxgen Sensor, ECG sensor
ratings
Overall NDTV Rating-Read Review
Design and comfort Rating-
Tracking accuracy Rating-
Software and ecosystem Rating-
Battery life Rating-
audio and video features
Speaker-Yes
Gesture Control-Yes
Microphone-Yes
Voice Control-Yes

Advertisement

© Copyright Red Pixels Ventures Limited 2026. All rights reserved.
Trending Products »
Latest Tech News »