Apple Watch Ultra 3 vs Apple Watch Series 5 GPS comparison

Show Only Differences Highlight Differences	Apple Watch Ultra 3	Apple Watch Series 5 GPS
key specs
Display Size	49mm	40mm
Compatible OS	iOS 26	iOS 13 or later
Dial Shape	Square	Rectangle
Display Type	OLED Retina	OLED Retina
Ideal For	Unisex	Unisex
Strap Colour	-	Silver, Gold, Space Grey
Strap Material	-	Elastomer
general
Brand	Apple	Apple
Model	Watch Ultra 3	Watch Series 5 GPS
Release date	September 9, 2025	September 10, 2019
Model Name	Watch Ultra 3	Watch Series 5 GPS
Dial Colour	Natural, Black	-
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	-
Ideal For	Unisex	Unisex
Strap Material	-	Elastomer
Usage	-	Fitness & Outdoor
Strap Colour	-	Silver, Gold, Space Grey
dimensions
Width	44	-
Height	49	-
Thickness	12	10.7mm
Weight (g)	61.60	-
product details
Compatible Device	iPhone 11 and above	iPhone 6s or later
Battery Life	Up to 24 hours	Up to 18 hours
Charger Type	Wireless	USB Power Adapter
Sensor	-	Accelerometer, Gyroscope, Ambient light sensor, Barometer
Notification	-	Yes
Battery Type	-	Lithium Ion
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	No
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	-
platform and storage features
Operating System	watchOS 26	watchOS 6
Compatible Operating System	iOS 26	iOS 13 or later
Processor Name	Apple S11	S5 with 64-bit Dual Core Processor
Internal Memory	64GB	32GB
camera and display features
Display Size	49mm	40mm
Display Type	OLED Retina	OLED Retina
Other Display Features	Always-On Display	LTPO OLED Always-On Retina display with Force Touch (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	-
Software and ecosystem Rating	-
Battery life Rating	-