Xiaomi Watch S4 41mm vs boAt Ultima Ember comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 41mm	boAt Ultima Ember
key specs
Display Size	41mm	-
Strap Material	Milanese	-
Dial Shape	Round	Rectangle
Ideal For	Unisex	Unisex
Display Type	-	AMOLED
general
Brand	Xiaomi	boAt
Model	Watch S4 41mm	Ultima Ember
Release date	September 24, 2025	February 22, 2025
Dial Shape	Round	Rectangle
Strap Material	Milanese	-
Size	Regular	-
Touchscreen	1.32	1.96
Water Resistant	5ATM	IP68
Water Resistance Depth	50 m	-
Usage	Regular	Regular
Dial Material	Stainless steel	-
Ideal For	Unisex	Unisex
dimensions
Width	41.2	-
Height	41.2	-
Diameter	9.5	-
Weight (g)	32.00	-
product details
Sensor	Heart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensor	heart rate, SpO2, steps, sleep tracker
Battery Type	320mAh	300mAh
Battery Life	8 days	15 days
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth Version	5.4	-
GPS	Yes	-
platform and storage features
Operating System	Xiaomi HyperOS 3	-
camera and display features
Display Resolution	466 × 466	368 x 448
Display Size	41mm	-
Other Display Features	1500nits, 60Hz refresh rate	Always-On Display
Display Type	-	AMOLED
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	-
Compass	Yes	-
Calendar	Yes	Yes
Alarm Clock	Yes	-
Date & Time Display	Yes	Yes
Language	English	English
audio and video features
Speaker	Yes	Yes
Microphone	Yes	Yes

Popular Smartwatch Brands