Garmin Instinct 3 vs Garmin Marq Captain comparison

Show Only Differences Highlight Differences	Garmin Instinct 3	Garmin Marq Captain
key specs
Display Size	45mm	-
Dial Shape	Round	Round
Display Type	AMOLED	-
Ideal For	Unisex	Unisex
Compatible OS	-	Android, iPhone
Strap Material	-	Nylon
general
Brand	Garmin	Garmin
Model	Instinct 3	Marq Captain
Release date	April 3, 2025	-
Dial Shape	Round	Round
Touchscreen	1.2	-
Water Resistant	10 ATM	Yes
Water Resistance Depth	100m	10 ATM
Usage	Regular, Sports, Adventure Sports	-
Ideal For	Unisex	Unisex
Model Name	-	Marq Captain
Strap Material	-	Nylon
Size	-	Regular
Interchangeable Strap	-	Yes
Dial Material	-	Titanium
dimensions
Width	45	-
Height	45	-
Thickness	14.9	14.7
Weight (g)	52.00	88.00
Diameter	-	46
product details
Sensor	heart rate, SpO2, steps, sleep tracker	GPS, GLONASS, Galileo, Garmin Elevate wrist heart rate monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Pulse Ox
Battery Life	28 days	Up to 12 days in smartwatch mode
Compatible Device	-	Android, iPhone
Notification	-	Yes
Notification Type	-	Smart notifications
connectivity features
Bluetooth	Yes	Yes
Wi-Fi	-	Yes
GPS	-	Yes
Messaging Support	-	Yes
Other Connectivity Features	-	Compatible with Garmin Connect Mobile, Garmin Pay
platform and storage features
Internal Memory	64GB	32GB
Compatible Operating System	-	Android, iPhone
camera and display features
Display Resolution	390x390	240 x 240 pixels
Display Size	45mm	-
Display Type	AMOLED	-
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Language	English	-
Calorie Count	-	Yes
Compass	-	Yes
Date & Time Display	-	Yes
Other Fitness Features	-	Gym activity profiles, Cardio workouts, Strength workouts, Automatic rep counting, Interval training, Advanced workouts, Heat and altitude acclimation
Other Watch Functions	-	Weather, Controls smartphone music, Plays and controls watch music, Find My Phone, Find My Watch

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