Xiaomi Watch S4 41mm vs Fire-Boltt Phoenix Ultra comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 41mm	Fire-Boltt Phoenix Ultra
key specs
Display Size	41mm	50mm
Strap Material	Milanese	Silicone
Dial Shape	Round	Round
Ideal For	Unisex	Unisex
Strap Colour	-	Blue, Gold, Dark Grey, Silver, Rainbow
Compatible OS	-	Android, iOS
Display Type	-	TFT LED
general
Brand	Xiaomi	Fire-Boltt
Model	Watch S4 41mm	Phoenix Ultra
Release date	September 24, 2025	May 1, 2023
Dial Shape	Round	Round
Strap Material	Milanese	Silicone
Size	Regular	Regular
Touchscreen	1.32	Yes
Water Resistant	5ATM	IP67
Water Resistance Depth	50 m	-
Usage	Regular	-
Dial Material	Stainless steel	-
Ideal For	Unisex	Unisex
Model Name	-	Phoenix Ultra
Dial Colour	-	Black
Strap Colour	-	Blue, Gold, Dark Grey, Silver, Rainbow
Interchangeable Strap	-	Yes
dimensions
Width	41.2	44.6
Height	41.2	11.95
Diameter	9.5	-
Weight (g)	32.00	55.00
product details
Sensor	Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensor	SpO2 sensor, Heart Rate tracker, Sleep tracker
Battery Type	320mAh	-
Battery Life	8 days	7 days
Compatible Device	-	Android, iOS
Notification	-	Yes
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Bluetooth
Bluetooth Version	5.4	-
GPS	Yes	No
Wi-Fi	-	No
Messaging Support	-	Yes
Email Support	-	No
platform and storage features
Operating System	Xiaomi HyperOS 3	-
Compatible Operating System	-	Android, iOS
camera and display features
Display Resolution	466 × 466	410x502
Display Size	41mm	50mm
Other Display Features	1500nits, 60Hz refresh rate	60Hz refresh rate
Display Type	-	TFT LED
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	-
Compass	Yes	No
Calendar	Yes	No
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	-
Calorie Count	-	Yes
Chronograph	-	Yes
Number of Buttons	-	1
Other Fitness Features	-	Activity Tracker, 120+ Sports Mode Tracking, Calorie Tracker, Sleep Monitor
Other Watch Functions	-	Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Notifications, Remote Camera Control, Alarm, Timer, Stopwatch, Weather Forecast Feature
audio and video features
Speaker	Yes	Yes
Microphone	Yes	Yes
ratings
Overall NDTV Rating	-	Read Review
Design and comfort Rating	-
Tracking accuracy Rating	-
Companion app Rating	-
Software and ecosystem Rating	-
Battery life Rating	-

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