Xiaomi Watch S4 15th Anniversary Edition vs Xiaomi Smart Band 9 Pro comparison 6x2eu

Compare Xiaomi Watch S4 15th Anniversary Edition
Compare Xiaomi Smart Band 9 Pro
key specs
Display Size 36mm -
Compatible OS Android 8.0 or above, iOS 12.0 or above -
Dial Shape Round Rectangle
Display Type AMOLED AMOLED
Ideal For Unisex Unisex
general
Brand Xiaomi Xiaomi
Model Watch S4 15th Anniversary Edition Smart Band 9 Pro
Release date May 23, 2025 October 29, 2024
Model Name Xiaomi Watch S4 15th Anniversary Edition -
Dial Colour Black -
Dial Shape Round Rectangle
Size Regular Regular
Touchscreen 1.43 1.74
Interchangeable Strap Yes -
Water Resistant 5 ATM 5 ATM
Usage Regular Regular
Ideal For Unisex Unisex
dimensions
Width 47.3 43.27
Height 47.3 32.49
Thickness 12 10.2
Weight (g) 44.50 24.50
product details
Sensor Heart Rate Monitor, Stress, Sleep heart rate, SpO2, steps
Compatible Device Android and iOS -
Battery Type 486mAh 350
Battery Life - 21 days
connectivity features
Bluetooth Yes Yes
Bluetooth Version 5.3 5.4
Wi-Fi Yes -
GPS Yes -
Other Connectivity Features NFC, Galileo, Glonass, Beidou, QZSS GNSS, NFC
platform and storage features
Operating System HyperOS 2 HyperOS 2
Compatible Operating System Android 8.0 or above, iOS 12.0 or above -
camera and display features
Display Resolution 466 x 466 336 x 480
Display Size 36mm -
Display Type AMOLED AMOLED
fitness and watch functions
Step Count Yes Yes
Calorie Count Yes -
Heart Rate Monitor Yes Yes
Alarm Clock Yes Yes
Date & Time Display Yes Yes
Language English -
Calendar - Yes

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