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Amazfit T-Rex 3 Pro vs Garmin Fenix 3 HR

Key Feature Comparison

Amazfit T-Rex 3 Pro

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Garmin Fenix 3 HR

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At a Glance

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700 mAh

Up to 25 Days

300 mAh

Non-removable, Up to 14 Days

1.5 Inch

453 ppi, 480 x 480 pixels

3.05 cm (1.2 inch)

257 ppi, 218 x 218 pixels

Yes, Wi-Fi 802.11, b/g/n

Detailed Specs

Brand

Amazfit
Garmin

Model

T-Rex 3 Pro
Fenix 3 HR

Launch Date

19-Sep-25
-

Price

Rs. 34,999
Rs. 52,999

Price Status

Confirmed
Confirmed

Market Status

Available
Discontinued

Box Contents

Smartwatch, Charging Cable, User Manual, Warranty Card
Smart Watch, HRM-Run Performance Bundle(Optional), USB Cable, AC Adapter with Plug, Warranty Card, User Manual

Weight

52 grams
-

Dimensions

48 x 48 x 14 mm
51.5 x 51.5 x 16 mm

Shape and Surface

Circular, Flat
Circular, Flat

Colors

Tactical Black, Black Gold
Black, Brown, Grey, Silver

Clock Face

Digital
Digital

Display Size

1.5 Inch
3.05 cm (1.2 inch)

Display Resolution

480 x 480 pixels
218 x 218 pixels

Pixel Density

453 ppi
257 ppi

Display Technology

AMOLED
-

Touch Screen

Yes
-

Screen Protection

-
Scratch-resistant glass

Compatible OS

Android, iOS
Android, iOS, Windows

Battery Capacity

700 mAh
300 mAh

Battery Life

Up to 25 Days
Up to 14 Days

Charging Mode

-
Charging via USB

Battery Type

-
Non-removable

Bluetooth

Yes, v5.2
v4.0

Wirless Protocol

Yes, Wi-Fi 802.11, b/g/n
-

USB Connectivity

No
No

Navigation

Yes, Turn-by-turn navigation
Yes

Accelerometer

Yes
Yes

Gyro

Yes
-

Light

Yes
-

GPS

Yes, with A-GPS, Beidou, Glonass, QZSS
with Glonass

Internal Memory

26 GB
32 GB

Text Message

Yes
Yes

Incoming Call

Yes
-

Timer

Yes
Yes

Weather

Yes
Yes

Alarm

-
Yes

Calendar Reminder

-
Yes

Email

-
Yes

Facebook

-
Yes

Calling Feature

Yes
-

Camera Shutter Control

Yes
-

Find My Phone

Yes
Yes

Music Control

Yes
-

Receive Call

Yes
-

Calories Intake/Burned

Yes
Yes

Steps

Yes
Yes

Sleep Quality

Yes
Yes

Hours Slept

Yes
Yes

Distance

Yes
Yes

Heart Rate

Yes
Yes

Active Minutes

Yes
Yes

Activity/Inactivity

Yes
Yes

Alarm Clock

Yes
Yes

Stopwatch

Yes
-

Goal Setting

-
Yes

Social Integration

-
Yes

Speaker

Yes
-
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