boAt Storm Call 4 vs Garmin D2 Air X15 comparison

Show Only Differences Highlight Differences	boAt Storm Call 4	Garmin D2 Air X15
key specs
Display Size	49mm	35mm
Compatible OS	iOS, Android	Android and iOS
Ideal For	Unisex	Unisex
Strap Colour	-	Black
Strap Material	-	Silicone
Dial Shape	-	Round
Display Type	-	AMOLED
general
Brand	boAt	Garmin
Model	Storm Call 4	D2 Air X15
Release date	May 29, 2026	October 22, 2025
Model Name	Boat Storm Call 4	Garmin D2 Air X15
Dial Colour	Black	-
Size	Regular	Regular
Touchscreen	Yes	-
Water Resistant	IP68	-
Usage	Regular	Fitness & Outdoor
Ideal For	Unisex	Unisex
Dial Shape	-	Round
Strap Colour	-	Black
Strap Material	-	Silicone
Water Resistance Depth	-	5 ATM
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
Messaging Support	Yes	-
Third Party App Support	Yes	Yes
Call Features	-	Make and Receive calls
Other Connectivity Features	-	GPS, Galileo, Glonass, Beidou, QZSS
platform and storage features
Compatible Operating System	iOS, Android	Android and iOS
RAM	-	8GB
camera and display features
Display Resolution	240x282	454 x 454
Display Size	49mm	35mm
Display Type	-	AMOLED
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Altimeter	-	Yes
Compass	-	Yes
Date & Time Display	-	Yes
Language	-	English
dimensions
Weight (g)	-	38.00
product details
Sensor	-	Heart Rate Monitor, Stress, Sleep, Pulse Ox blood oxygen
Compatible Device	-	Android and iOS
Notification	-	Call Notification, Smartphone Apps Notifications
Battery Life	-	10 days

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