Apple Watch Series 12 vs Garmin D2 Air X15 comparison

Show Only Differences Highlight Differences	Apple Watch Series 12	Garmin D2 Air X15
key specs
Display Size	46mm	35mm
Dial Shape	Rectangle	Round
Display Type	OLED Retina	AMOLED
Ideal For	Unisex	Unisex
Strap Colour	-	Black
Compatible OS	-	Android and iOS
Strap Material	-	Silicone
general
Brand	Apple	Garmin
Model	Watch Series 12	D2 Air X15
Release date	September 9, 2026	October 22, 2025
Dial Shape	Rectangle	Round
Usage	Regular, Sports	Fitness & Outdoor
Ideal For	Unisex	Unisex
Model Name	-	Garmin D2 Air X15
Strap Colour	-	Black
Strap Material	-	Silicone
Size	-	Regular
Water Resistance Depth	-	5 ATM
product details
Sensor	New optical and electrical heart sensors, optical heart sensor	Heart Rate Monitor, Stress, Sleep, Pulse Ox blood oxygen
Compatible Device	iPhone 11 or later, or iPhone SE (2nd generation or later), with iOS 27 or later	Android and iOS
Battery Life	24 hours	10 days
Charger Type	Magnetic charging port	-
Rechargeable Battery	Yes	-
Other Features	Readiness score, Siri AI	-
Notification	-	Call Notification, Smartphone Apps Notifications
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Wi-Fi	Yes	-
GPS	Yes	-
Third Party App Support	-	Yes
Call Features	-	Make and Receive calls
Other Connectivity Features	-	GPS, Galileo, Glonass, Beidou, QZSS
platform and storage features
Operating System	watchOS 27	-
Processor Name	Apple S11 chip	-
Compatible Operating System	-	Android and iOS
RAM	-	8GB
camera and display features
Display Resolution	416 × 496	454 x 454
Display Size	46mm	35mm
Display Type	OLED Retina	AMOLED
Scratch Resistant	Ceramic Shield 2 on aluminium models	-
Other Display Features	Up to 2,000 nits brightness, LTPO3, Always-On display	-
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	Yes
Compass	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Chronograph	Yes	-
Date & Time Display	Yes	Yes
Language	English	English
Number of Buttons	2	-
Other Fitness Features	ECG, sleep tracking, sleep score, sleep apnoea notifications, heart rate notifications, HRV, readiness score, VO2 max, heart rate zones, Training Load, workout tracking, cycle tracking, step tracking, GPS, elevation tracking	-
audio and video features
Speaker	Yes	-
Gesture Control	Yes	-
Microphone	Yes	-
Voice Control	Siri AI	-
dimensions
Weight (g)	-	38.00

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