Apple Watch Ultra 3 vs Garmin Fenix 6X comparison

Compare Apple Watch Ultra 3
Compare Garmin Fenix 6X
key specs
Display Size49mm35mm
Compatible OSiOS 26Android, iOS
Dial ShapeSquareRound
Display TypeOLED Retina-
Ideal ForUnisexUnisex
Strap Colour-Black, Chestnut
general
BrandAppleGarmin
ModelWatch Ultra 3Fenix 6X
Release dateSeptember 9, 2025November 1, 2019
Model NameWatch Ultra 3Fenix 6X
Dial ColourNatural, BlackCarbon Gray DLC, Black DLC, Titanium
Dial ShapeSquareRound
SizeLargeRegular
TouchscreenYesYes
Interchangeable StrapYesYes
Water ResistantWR100Yes
Water Resistance Depth10010 ATM
Dial MaterialTitaniumtitanium or Diamond-Like Carbon (DLC) coated titanium
Ideal ForUnisexUnisex
Usage-Outdoor
Strap Colour-Black, Chestnut
dimensions
Width4451
Height4951
Thickness1214.9
Weight (g)61.6093.00
Diameter-35.56
product details
Compatible DeviceiPhone 11 and above-
Battery LifeUp to 24 hours-
Charger TypeWireless-
Closure-fiber-reinforced polymer with metal rear cover
Sensor-Heart Rate
Notification-Yes
Stand By Time-21 days
Rechargeable Battery-Yes
connectivity features
Call FunctionYes-
BluetoothYesYes
Bluetooth Version5.3-
Wi-FiYesYes
GPSYesYes
Messaging SupportYes-
Other Connectivity FeaturesSatellite Emergency SoS-
platform and storage features
Operating SystemwatchOS 26-
Compatible Operating SystemiOS 26Android, iOS
Processor NameApple S11-
Internal Memory64GB-
camera and display features
Display Size49mm35mm
Display TypeOLED Retina-
Other Display FeaturesAlways-On Display-
Display Resolution-280 x 280
Scratch Resistant-Yes
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
Number of Buttons3-
Chronograph-Yes
Other Fitness Features-GPS speed and distance, Sleep monitoring, Cardio workouts, Strength workouts, Automatic rep counting, Move IQ, TrueUp, All-day Stress Tracking, V02 max,
Other Watch Functions-Incident Detection, LiveTrack, Smart notifications, Find My Phone, Find My Watch, Compatible with Garmin Connect Mobile
audio and video features
SpeakerYesYes
Gesture ControlYes-
MicrophoneYes-
Voice ControlYes-
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