Garmin Instinct 3 vs Amazfit T-Rex 3 comparison

Show Only Differences Highlight Differences	Garmin Instinct 3	Amazfit T-Rex 3
key specs
Display Size	45mm	48mm
Dial Shape	Round	Round
Display Type	AMOLED	-
Ideal For	Unisex	Unisex
Strap Material	-	Silicone
general
Brand	Garmin	Amazfit
Model	Instinct 3	T-Rex 3
Release date	April 3, 2025	September 18, 2024
Dial Shape	Round	Round
Touchscreen	1.2	1.5
Water Resistant	10 ATM	10 ATM
Water Resistance Depth	100m	-
Usage	Regular, Sports, Adventure Sports	Regular
Ideal For	Unisex	Unisex
Strap Material	-	Silicone
Size	-	Regular
dimensions
Width	45	48.5
Height	45	48.5
Thickness	14.9	-
Weight (g)	52.00	68.30
Diameter	-	13.75
product details
Sensor	heart rate, SpO2, steps, sleep tracker	heart rate, SpO2, steps, sleep tracker, EDA
Battery Life	28 days	-
connectivity features
Bluetooth	Yes	Yes
GPS	-	Yes
platform and storage features
Internal Memory	64GB	-
camera and display features
Display Resolution	390x390	480 x 480
Display Size	45mm	48mm
Display Type	AMOLED	-
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	-
Calendar	Yes	Yes
Alarm Clock	Yes	-
Language	English	English
Date & Time Display	-	Yes
Number of Buttons	-	4

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