Xiaomi Watch S4 41mm vs Fire-Boltt Ninja 2 Max comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 41mm	Fire-Boltt Ninja 2 Max
key specs
Display Size	41mm	38mm
Strap Material	Milanese	-
Dial Shape	Round	Rectangle
Ideal For	Unisex	Unisex
Strap Colour	-	Black, Dark Green, Rose Gold
general
Brand	Xiaomi	Fire-Boltt
Model	Watch S4 41mm	Ninja 2 Max
Release date	September 24, 2025	January 18, 2022
Dial Shape	Round	Rectangle
Strap Material	Milanese	-
Size	Regular	-
Touchscreen	1.32	Yes
Water Resistant	5ATM	-
Water Resistance Depth	50 m	-
Usage	Regular	-
Dial Material	Stainless steel	-
Ideal For	Unisex	Unisex
Model Number	-	BSW022
Model Name	-	Ninja 2 Max
Dial Colour	-	Black, Dark Green, Rose Gold
Strap Colour	-	Black, Dark Green, Rose Gold
Interchangeable Strap	-	Yes
dimensions
Width	41.2	43
Height	41.2	37
Diameter	9.5	-
Weight (g)	32.00	32.00
Thickness	-	9
product details
Sensor	Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensor	Heart Rate Sensor, SpO2 Sensor, Sleep Sensor
Battery Type	320mAh	Lithium-ion
Battery Life	8 days	7 days
Compatible Device	-	Android, iOS
Notification	-	Yes
Stand By Time	-	25 days
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	-
Bluetooth	Yes	Bluetooth
Bluetooth Version	5.4	-
GPS	Yes	-
platform and storage features
Operating System	Xiaomi HyperOS 3	-
camera and display features
Display Resolution	466 × 466	240x280
Display Size	41mm	38mm
Other Display Features	1500nits, 60Hz refresh rate	-
Backlight Display	-	Yes
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	-
Altimeter	Yes	-
Compass	Yes	-
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	English
Calorie Count	-	Yes
Chronograph	-	Yes
Number of Buttons	-	1
Other Fitness Features	-	20 sports modes
audio and video features
Speaker	Yes	-
Microphone	Yes	-

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