Xiaomi Watch S4 vs Fire-Boltt Ninja Pro Max comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4	Fire-Boltt Ninja Pro Max
key specs
Dial Shape	Round	Square
Display Type	AMOLED	-
Ideal For	Unisex	Unisex
Strap Colour	-	Black, Blue, Champagne Gold, Olive, Pink Gold, Red Navy, Rose Gold Yellow
Display Size	-	40mm
Strap Material	-	Silicone
general
Brand	Xiaomi	Fire-Boltt
Model	Watch S4	Ninja Pro Max
Release date	October 29, 2024	February 10, 2022
Dial Shape	Round	Square
Size	Regular	Regular
Touchscreen	1.43	Yes
Interchangeable Strap	Yes	-
Water Resistant	5 ATM	Yes
Usage	Regular	Fitness & Outdoor
Ideal For	Unisex	Unisex
Model Name	-	Fire-Boltt Ninja Pro Max
Dial Colour	-	Black
Strap Colour	-	Black, Blue, Champagne Gold, Olive, Pink Gold, Red Navy, Rose Gold Yellow
Strap Material	-	Silicone
dimensions
Width	47.3	34.5
Height	47.3	41.5
Thickness	12	9.5
Weight (g)	44.50	45.00
Diameter	-	40
product details
Sensor	heart rate, SpO2, steps, sleep tracker	SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor
Battery Type	486mAh	200
Battery Life	15	8 Days
Closure	-	Strap Buckle
Compatible Device	-	Android, iOS
Notification	-	Call, Text, Social Media
Stand By Time	-	30 days
Rechargeable Battery	-	Yes
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.2	5
Wi-Fi	Yes	-
GPS	Yes	-
Other Connectivity Features	NFC, Galileo, Glonass, Beidou, QZSS	Smart notifications
Call Function	-	Yes
Call Features	-	Reject calls
platform and storage features
Operating System	HyperOS 2	-
camera and display features
Display Resolution	466 x 466	240x288
Display Type	AMOLED	-
Display Size	-	40mm
Other Display Features	-	Touch Screen
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Date & Time Display	Yes	Yes
Language	-	English
Number of Buttons	-	1
Other Fitness Features	-	Meditative breathing, sleep tracking, drink water reminders
Other Watch Functions	-	Stopwatch, sedentary reminders

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