Garmin D2 Air X15 vs Garmin Forerunner 745 comparison

Show Only Differences Highlight Differences	Garmin D2 Air X15	Garmin Forerunner 745
key specs
Strap Colour	Black	Black, Magma Red, Neo Tropic, Whitestone
Display Size	35mm	30mm
Compatible OS	Android and iOS	Android, iOS
Strap Material	Silicone	Silicone
Dial Shape	Round	Round
Display Type	AMOLED	MIP
Ideal For	Unisex	-
general
Brand	Garmin	Garmin
Model	D2 Air X15	Forerunner 745
Release date	October 22, 2025	September 16, 2020
Model Name	Garmin D2 Air X15	Forerunner 745
Dial Shape	Round	Round
Strap Colour	Black	Black, Magma Red, Neo Tropic, Whitestone
Strap Material	Silicone	Silicone
Size	Regular	Regular
Water Resistance Depth	5 ATM	-
Usage	Fitness & Outdoor	-
Ideal For	Unisex	-
Touchscreen	-	Yes
Water Resistant	-	5 ATM
dimensions
Weight (g)	38.00	47.00
Width	-	43.8
Height	-	43.8
Thickness	-	13.3
product details
Sensor	Heart Rate Monitor, Stress, Sleep, Pulse Ox blood oxygen	Glonass, Barometric altimeter, Compass, Gyroscope, Acceleraometer, Thermometer
Compatible Device	Android and iOS	Android, iOS
Notification	Call Notification, Smartphone Apps Notifications	Yes
Battery Life	10 days	7 hours
connectivity features
Call Function	Yes	-
Bluetooth	Yes	Yes
Third Party App Support	Yes	-
Call Features	Make and Receive calls	-
Other Connectivity Features	GPS, Galileo, Glonass, Beidou, QZSS	-
Wi-Fi	-	Yes
platform and storage features
Compatible Operating System	Android and iOS	Android, iOS
RAM	8GB	-
camera and display features
Display Resolution	454 x 454	240x240
Display Size	35mm	30mm
Display Type	AMOLED	MIP
Scratch Resistant	-	Corning Gorilla Glass DX
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
Date & Time Display	Yes	Yes
Language	English	English
Number of Buttons	-	2

Popular Smartwatch Brands