Xiaomi Watch S4 Sport vs Apple Watch Ultra comparison

Show Only Differences Highlight Differences	Xiaomi Watch S4 Sport	Apple Watch Ultra
key specs
Dial Shape	Round	Rectangle
Display Type	AMOLED	OLED Retina
Ideal For	Unisex	Unisex
Display Size	-	49mm
general
Brand	Xiaomi	Apple
Model	Watch S4 Sport	Watch Ultra
Release date	July 19, 2024	September 7, 2022
Dial Shape	Round	Rectangle
Size	Regular	Large
Touchscreen	1.43	Yes
Interchangeable Strap	Yes	-
Water Resistant	5 ATM	Yes
Usage	Regular	Fitness & Outdoor
Ideal For	Unisex	Unisex
Model Name	-	Watch Ultra
Water Resistance Depth	-	40m
dimensions
Width	46.9	-
Height	46.9	-
Thickness	12.6	-
Weight (g)	49.00	-
product details
Sensor	heart rate, SpO2, steps, sleep tracker	Compass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor
Battery Type	586mAh	Lithium Ion
Battery Life	15 days	-
Other Features	stress, meanstrual health tracking	-
Notification	-	Yes
Rechargeable Battery	-	Yes
connectivity features
Bluetooth	Yes	Yes
Bluetooth Version	5.2	-
Call Function	-	Yes
Wi-Fi	-	Yes
GPS	-	Yes
Call Features	-	International Emergency Calling
Other Connectivity Features	-	Emergency SOS
platform and storage features
Operating System	HyperOS	watchOS 9
RAM	32MB	-
Internal Memory	32GB	-
camera and display features
Display Resolution	466 x 466	-
Display Type	AMOLED	OLED Retina
Display Size	-	49mm
Backlight Display	-	Yes
Other Display Features	-	LTPO OLED Always-On Retina display
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Calendar	Yes	Yes
Date & Time Display	Yes	Yes
Calorie Count	-	Yes
Altimeter	-	Yes
Compass	-	Yes
Alarm Clock	-	Yes
Language	-	English
Other Fitness Features	-	Blood Oxgen Sensor, ECG sensor
audio and video features
Speaker	-	Yes
Microphone	-	Yes

Popular Smartwatch Brands