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Xiaomi Watch S3 vs Amazfit T-Rex Ultra vs Amazfit T-Rex 3

Key Feature Comparison

6.8

Xiaomi Watch S3

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8.1

Amazfit T-Rex Ultra

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7.8

Amazfit T-Rex 3

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At a Glance

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468 mAh

Up to 7 Days

500 mAh

Up to 20 Days

700 mAh, Non-removable

Up to 27 Days

3.63 cm (1.3 inch)

461 ppi, 466 x 466 pixels

3.53 cm (1.39 inch)

462 ppi, 454 x 454 pixels

3.81 cm (1.5 inch)

453 ppi, 480 x 480 pixels

Stainless Steel

Silicon

Stainless Steel

Silicon

Yes, Wi-Fi 802.11, n 5GHz

Yes, Single SIM, eSIM

Yes, Wi-Fi 2.4GHz

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

Detailed Specs

Brand

Xiaomi
Amazfit
Amazfit

Model

Watch S3
T-Rex Ultra
T-Rex 3

Launch Date

26-Oct-23
21-Mar-23
18-Sep-24

Price

Rs. 11,368
Rs. 32,860
Rs. 19,999

Price Status

Expected
Expected
Confirmed

Market Status

Launched Globally
Launched Globally
Available

Box Contents

Smart Watch, User Manual, Warranty Card
Smart Watch, User Manual, Warranty Card
Smart Watch, Magnetic Charging Base, User Manual, Warranty Card Design

Operating System

-
Zepp OS 2.0
-

Weight

44 grams
89 grams
-

Dimensions

47 x 47 x 12 mm
47.3 x 47.3 x 13.45 mm
-

Shape and Surface

Circular, Flat
Circular, Flat
Circular, Flat

Colors

Black, Brown, Silver
Abyss Black, Sahara
Onxy, Lava

Clock Face

Digital
Digital
Digital

Body Material

-
Stainless Steel
Stainless Steel

Strap Material

-
Silicon
Silicon

Display Size

3.63 cm (1.3 inch)
3.53 cm (1.39 inch)
3.81 cm (1.5 inch)

Display Resolution

466 x 466 pixels
454 x 454 pixels
480 x 480 pixels

Pixel Density

461 ppi
462 ppi
453 ppi

Display Technology

AMOLED
AMOLED
AMOLED

Touch Screen

-
Yes
Yes

Compatible OS

Android, iOS
Android, iOS
Android, iOS

Battery Capacity

468 mAh
500 mAh
700 mAh, Non-removable

Battery Life

Up to 7 Days
Up to 20 Days
Up to 27 Days

Bluetooth

Yes
Yes, v5.0
Yes, v5.2

Wirless Protocol

Yes, Wi-Fi 802.11, n 5GHz
Yes, Wi-Fi 2.4GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n

SIM Card

Yes, Single SIM, eSIM
-
-

USB Connectivity

No
No
No

Navigation

Yes
-
Yes

NFC

Yes
-
-

Accelerometer

Yes
Yes
Yes

Gyro

Yes
Yes
Yes

GPS

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

Light

-
Yes
Yes Hardware

Pedometer

-
Yes
-

Text Message

Yes
Yes
Yes

Incoming Call

Yes
Yes
Yes

Alarm

Yes
Yes
Yes

Timer

Yes
Yes
Yes

Weather

Yes
-
Yes

Calling Feature

Yes
-
Yes

Camera Shutter Control

Yes
-
Yes

Find My Phone

Yes
Yes
Yes

Music Control

Yes
Yes
Yes

Receive Call

Yes
-
Yes

Calories Intake/Burned

Yes
Yes
Yes

Steps

Yes
Yes
Yes

Sleep Quality

Yes
Yes
Yes

Hours Slept

Yes
Yes
Yes

Distance

Yes
Yes
Yes

Heart Rate

Yes
Yes
Yes

Active Minutes

Yes
Yes
Yes

Activity/Inactivity

Yes
Yes
Yes

Alarm Clock

Yes
Yes
Yes

Stopwatch

Yes
Yes
Yes

Water Resistance

-
Yes
-

Dust Resistance

-
Yes
-

Reminders

-
Yes
-

Speaker

Yes
-
Yes
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