Amazfit T-Rex Ultra 2 vs Fire-Boltt Ninja comparison

Show Only Differences Highlight Differences	Amazfit T-Rex Ultra 2	Fire-Boltt Ninja
key specs
Display Size	38mm	33mm
Ideal For	Unisex	Unisex
Strap Colour	-	Black
Compatible OS	-	Android, iOS
Strap Material	-	Silicone
Dial Shape	-	Rectangle
general
Brand	Amazfit	Fire-Boltt
Model	T-Rex Ultra 2	Ninja
Release date	February 20, 2026	August 4, 2021
Model Name	Amazfit T-Rex Ultra 2	Ninja touch to Wake SpO2
Dial Colour	Black	Black
Size	Regular	Regular
Touchscreen	1.5	Yes
Water Resistant	10 ATM	Yes
Usage	Regular	-
Ideal For	Unisex	Unisex
Model Number	-	BSW007
Dial Shape	-	Rectangle
Strap Material	-	Silicone
Water Resistance Depth	-	1m
Dial Material	-	Metal
Strap Colour	-	Black
dimensions
Width	51	41
Height	51	34
Diameter	14.3	33
Weight (g)	89.20	80.00
Thickness	-	10
product details
Sensor	acceleration sensor, gyroscope, geomagnetic sensor, barometric altimeter, ambient light sensor, temperature sensor	Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor
Compatible Device	Android and iOS	Android, iPhone
Battery Type	870mAh	Li-ion
Battery Life	30 Days	5 days
Notification	-	Yes
Charge Time	-	120 minutes
Stand By Time	-	15 days
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	No
Bluetooth	Yes	Bluetooth
Wi-Fi	Yes	-
GPS	Yes	-
Call Features	Yes	-
Bluetooth Version	-	5.0
Messaging Support	-	Yes
Operating Range	-	10m
Third Party App Support	-	Limited
camera and display features
Display Resolution	480 x 480	240x240
Display Size	38mm	33mm
Backlight Display	-	Yes
Scratch Resistant	-	Yes
fitness and watch functions
Step Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Calendar	Yes	Yes
Date & Time Display	Yes	Yes
Language	English	English
Calorie Count	-	Yes
Alarm Clock	-	Yes
Chronograph	-	No
Other Fitness Features	-	7 sports modes
platform and storage features
Compatible Operating System	-	Android, iOS

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