Samsung Galaxy Watch Ultra vs Amazfit T-Rex 3 Pro Smartwatch 48mm

Samsung Galaxy Watch Ultra (2025)₹40,999

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Amazfit T-Rex 3 Pro Smartwatch 48mm₹34,999

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Samsung Galaxy Watch Ultra (2025)₹40,999

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Amazfit T-Rex 3 Pro Smartwatch 48mm₹34,999

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General

Brand	Samsung	Amazfit
Model	SM-L705FZB1
Model Name	Galaxy Watch Ultra 2025	T-Rex 3 Pro
Sim	Yes, e-Sim
Ideal For	Men, Women	Men, Women
Sales Package	Smartwatch, Charger, User Manual	Smartwatch 48mm, User Manual

Design and Body

Weight	61.5 g	52 g
Material	Titanium	Military-grade design with grade 5 titanium bezel
Strap		22mm Silicon
Shape	Squicircle	Circle
Water Resistant	Yes	Yes
Water Resistant Depth	100 m	45 m
Water Resistant Certificate	10ATM / IP68 / MIL-STD-810H	10ATM
Dust Proof	Yes	Yes
Scratch Resistant	Yes	No

Display

Type	Color Super AMOLED	Color AMOLED
Touch	Yes, Multi Touch	Yes
Size	1.47 inches	1.5 inches
Resolution	480 x 480 pixels	480 x 480 pixels
PPI	327 ppi	453 ppi
Ambient Light Sensor	Yes	Yes
Always On Display	Yes	Yes
Glass Type	Sapphire Crystal Glass	Sapphire Glass
Features		3000 Nits Brightness

Memory

RAM	2 GB
Inbuilt Memory	64 GB

Connectivity

Wi-Fi	Yes, 802.11a/b/g/n 2.4GHz+5GHz
Voice Calling	Yes
Bluetooth	Yes, 5.3	Yes, 5.0
Bluetooth Calling		Yes
GPS	Yes	Yes
3G	Yes
4G	Yes
VoLTE	Yes

Extra

NFC	Yes
Gesture Control	Yes
Gyroscope	Yes	Yes
Voice Assistant	Yes	Yes
Inbuilt Microphone	Yes	Yes
Inbuilt Speaker	Yes	Yes
Notifications	Yes	Yes
Extra Features	Emergency SOS, Quick Button, Google Map Navigation	180+ sport modes, Zepp Flow App, Smarter Metrics

Camera

Flash

LED

Technical

OS	Wear OS	Zepp OS 5
Compatible OS	Android	Android 5.0 or iOS 10.0 and above
CPU	Exynos W1000

Battery

Battery Capacity	590 mAh	700 mAh
Battery Type		Lithium-Ion Polymer
Removable Battery	Non-Removable Battery
Battery Backup	Upto 48 Hours	25 days
Fast Charging	Yes
Wireless Charging	Yes

Fitness Features and Sensors

Heart Rate Monitor	Yes	Yes
SpO2 (Blood Oxygen) Monitor	Yes	Yes
BP Monitor	Yes
Temperature Sensor	Yes	Yes
Pedometer	Yes	Yes
Altimeter	Yes	Yes
Compass	Yes	Yes
Sleep Monitor	Yes	Yes
Reminder	Yes	Yes
Meters and Sensors	Accelerometer, Calorie Count, Step Count, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Geomagnetic Sensor, Advanced BioActive Sensor	Accelerometer, Calorie Count, Step Count, BioTracker 2 PPG Bio-Tracking Optical Sensor, Geomagnetic Sensor, Barometric
Extra Features	Alarm Clock, Stopwatch, Timer, Advanced Sleep Coaching (Bedtime Guidance), BIA (Bioelectrical Impedance Analysis), ECG, Irregular Heart Rhythm Notification Personalized Heart Rate Zones, Continuous SpO2, Skin Temperature, Sleep Apnea, Energy Score, Vascular Load, Antioxidant Index, Running Coach	Alarm Clock, Stopwatch, Timer

Warranty

1 year

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