Apple Watch Ultra 3 vs Apple Watch SE GPS comparison

Compare Apple Watch Ultra 3
Compare Apple Watch SE GPS
key specs
Display Size49mm40mm
Compatible OSiOS 26-
Dial ShapeSquareRectangle
Display TypeOLED RetinaOLED Retina
Ideal ForUnisexUnisex
Strap Colour-White, Yellow, Black, Orange, Blue
general
BrandAppleApple
ModelWatch Ultra 3Watch SE GPS
Release dateSeptember 9, 2025September 16, 2020
Model NameWatch Ultra 3Watch Series SE GPS
Dial ColourNatural, BlackSilver, Space Grey, Gold
Dial ShapeSquareRectangle
SizeLargeRegular
TouchscreenYesYes
Interchangeable StrapYes-
Water ResistantWR100Yes
Water Resistance Depth10050m
Dial MaterialTitaniumAluminium
Ideal ForUnisexUnisex
Usage-Fitness & Outdoor
Strap Colour-White, Yellow, Black, Orange, Blue
dimensions
Width44-
Height49-
Thickness12-
Weight (g)61.60-
product details
Compatible DeviceiPhone 11 and above-
Battery LifeUp to 24 hoursUp to 18 hours
Charger TypeWireless-
Sensor-Compass, Always-On Altimeter, second-gen optical heart rate sensor, Accelerometer, Gyroscope, Ambient light sensor
Notification-Yes
Battery Type-Lithium Ion
Rechargeable Battery-Yes
connectivity features
Call FunctionYesNo
BluetoothYesYes
Bluetooth Version5.35.0
Wi-FiYesYes
GPSYesYes
Messaging SupportYes-
Other Connectivity FeaturesSatellite Emergency SoS-
platform and storage features
Operating SystemwatchOS 26watchOS 7
Compatible Operating SystemiOS 26-
Processor NameApple S11S5 with 64-bit Dual Core Processor
Internal Memory64GB32GB
Number of Cores-dual-core
camera and display features
Display Size49mm40mm
Display TypeOLED RetinaOLED Retina
Other Display FeaturesAlways-On DisplayLTPO OLED Retina display (1000 nits brightness)
Display Resolution-324x394 pixels
Backlight Display-Yes
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
Number of Buttons3-
Altimeter-Yes
Language-English
audio and video features
SpeakerYesYes
Gesture ControlYes-
MicrophoneYesYes
Voice ControlYes-
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