Xiaomi Watch S4 vs Amazfit Active 2 Smartwatch

Xiaomi Watch S4₹11,999

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Amazfit Active 2 Smartwatch (Standard)₹9,999

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Xiaomi Watch S4₹11,999

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Amazfit Active 2 Smartwatch (Standard)₹9,999

# 2

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General

Country of Origin		China
Brand	Xiaomi	Amazfit
Model Name	S4	Active 2
Series		Standard
Sim	eSIM
Ideal For	Men	Men, Women
Sales Package	Smartwatch, User Manual, Charger	Smart Watch, Magnetic Charging Cable, User Manual

Design and Body

Weight	44.5 g	29.5 g
Material	Aluminum alloy frame	Stainless Steel and Polymer
Strap	Fluororubber and Nylon	20mm Silicon
Shape	Circle	Circle
Water Resistant	Yes	Yes
Water Resistant Depth	50 m	50 m
Water Resistant Certificate	5ATM
Dust Proof		Yes

Display

Type	Color AMOLED	Color AMOLED
Touch	Yes	Yes
Size	1.43 inches	1.32 inches
Resolution	466 x 466 pixels	466 x 466 pixels
PPI	326 ppi	353 ppi
Ambient Light Sensor		Yes
Always On Display		Yes
Glass Type		2.5D Tempered glass + Anti-fingerprint coating
Features	1500 Nits Brightness, 60Hz refresh rate	2000 Nits Brightness

Connectivity

Wi-Fi	Yes
Voice Calling	Yes
Bluetooth	Yes, 5.3	Yes, 5.2
Bluetooth Calling		Yes
GPS	Yes	Yes

Extra

NFC	Yes
Gyroscope	Yes	Yes
Voice Assistant	Yes	Yes, Zepp Flow
Inbuilt Microphone	Yes	Yes
Inbuilt Speaker	Yes	Yes
Notifications	Yes
Extra Features	Multiple Sports Mode, Multiple Watch Faces	160 Sports Modes, HRV Tracking, and Wild.AI Integration, Offline Maps

Technical

OS	Xiaomi HyperOS 2	ZeppOS
Compatible OS	Android 8.0 or Above and iOS 14.0 OR Above	Android 7.0 and above, iOS 14.0 and above

Battery

Battery Capacity	486 mAh	270 mAh
Battery Type	Li-Poly
Removable Battery	Non-Removable Battery	Non-Removable Battery
Battery Backup	15 days	10 days
Charging Time		2 hours
Wireless Charging		Yes

Fitness Features and Sensors

Heart Rate Monitor	Yes	Yes
SpO2 (Blood Oxygen) Monitor	Yes	Yes
Temperature Sensor		Yes
Pedometer	Yes	Yes
Altimeter	Yes, Barometric
Compass	Yes
Sleep Monitor	Yes	Yes
Reminder	Yes	Yes
Meters and Sensors	Accelerometer, Calorie Count, Step Count, Barometer	Accelerometer, Step Count, BioTracker 6.0 PPG biosensor, Barometer
Extra Features	Alarm Clock, Stopwatch, Timer	Alarm Clock, Stopwatch, Timer

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