Realme Watch S5 vs Garmin D2 Air X15 comparison

Show Only Differences Highlight Differences	Realme Watch S5	Garmin D2 Air X15
ratings
Overall NDTV Rating	Read Review	-
Design and comfort Rating		-
Tracking accuracy Rating		-
Companion app Rating		-
Software and ecosystem Rating		-
Battery life Rating		-
key specs
Display Size	50mm	35mm
Dial Shape	Round	Round
Display Type	AMOLED	AMOLED
Ideal For	Unisex	Unisex
Strap Colour	-	Black
Compatible OS	-	Android and iOS
Strap Material	-	Silicone
general
Brand	Realme	Garmin
Model	Watch S5	D2 Air X15
Release date	May 22, 2026	October 22, 2025
Model Name	Realme Watch S5	Garmin D2 Air X15
Dial Colour	Black	-
Dial Shape	Round	Round
Size	Regular	Regular
Touchscreen	1.97	-
Water Resistance Depth	5 ATM	5 ATM
Usage	Regular	Fitness & Outdoor
Ideal For	Unisex	Unisex
Strap Colour	-	Black
Strap Material	-	Silicone
dimensions
Thickness	11.8	-
Weight (g)	32.00	38.00
product details
Sensor	heart rate, SpO2, steps, sleep tracker	Heart Rate Monitor, Stress, Sleep, Pulse Ox blood oxygen
Battery Life	20 days	10 days
Rechargeable Battery	Yes	-
Compatible Device	-	Android and iOS
Notification	-	Call Notification, Smartphone Apps Notifications
connectivity features
Call Function	Yes	Yes
Bluetooth	Yes	Yes
GPS	Yes	-
Third Party App Support	-	Yes
Call Features	-	Make and Receive calls
Other Connectivity Features	-	GPS, Galileo, Glonass, Beidou, QZSS
camera and display features
Display Size	50mm	35mm
Display Type	AMOLED	AMOLED
Display Resolution	-	454 x 454
fitness and watch functions
Step 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
Calorie Count	-	Yes
audio and video features
Speaker	Yes	-
Microphone	Yes	-
platform and storage features
Compatible Operating System	-	Android and iOS
RAM	-	8GB

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