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Apple Watch Ultra 3 vs Apple Watch SE GPS + Cellular

Apple Watch Ultra 3 vs Apple Watch SE GPS + Cellular comparison

Show Only Differences Highlight Differences	Apple Watch Ultra 3	Apple Watch SE GPS + Cellular
key specs
Display Size	49mm	40mm
Compatible OS	iOS 26	-
Dial Shape	Square	Rectangle
Display Type	OLED Retina	OLED Retina
Ideal For	Unisex	Unisex
Strap Colour	-	White, Yellow, Black, Orange, Blue
general
Brand	Apple	Apple
Model	Watch Ultra 3	Watch SE GPS + Cellular
Release date	September 9, 2025	September 16, 2020
Model Name	Watch Ultra 3	Watch Series SE GPS +Cellular
Dial Colour	Natural, Black	Silver, Space Grey, Gold
Dial Shape	Square	Rectangle
Size	Large	Regular
Touchscreen	Yes	Yes
Interchangeable Strap	Yes	-
Water Resistant	WR100	Yes
Water Resistance Depth	100	50m
Dial Material	Titanium	Aluminium
Ideal For	Unisex	Unisex
Usage	-	Fitness & Outdoor
Strap Colour	-	White, Yellow, Black, Orange, Blue
dimensions
Width	44	-
Height	49	-
Thickness	12	-
Weight (g)	61.60	-
product details
Compatible Device	iPhone 11 and above	-
Battery Life	Up to 24 hours	Up to 18 hours
Charger Type	Wireless	-
Sensor	-	Compass, Always-On Altimeter, second-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor
Notification	-	Yes
Battery Type	-	Lithium Ion
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth Version	5.3	5.0
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Messaging Support	Yes	-
Other Connectivity Features	Satellite Emergency SoS	Emergency SOS
Call Features	-	International Emergency Calling
platform and storage features
Operating System	watchOS 26	watchOS 7
Compatible Operating System	iOS 26	-
Processor Name	Apple S11	S5 with 64-bit Dual Core Processor
Internal Memory	64GB	32GB
Number of Cores	-	dual-core
camera and display features
Display Size	49mm	40mm
Display Type	OLED Retina	OLED Retina
Other Display Features	Always-On Display	LTPO OLED Retina display (1000 nits brightness)
Display Resolution	-	324x394 pixels
Backlight Display	-	Yes
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Compass	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Number of Buttons	3	-
Altimeter	-	Yes
Language	-	English
audio and video features
Speaker	Yes	Yes
Gesture Control	Yes	-
Microphone	Yes	Yes
Voice Control	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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