Product comparison · 2 smartwatches

Amazfit T-Rex Ultra 2 vs Celly TRAINERBEAT2BL smartwatch / sport watch

13specifications compared
5differ
8identical
66known for one product only

Key differences

The Amazfit T-Rex Ultra 2 has 720 mAh more battery capacity than the Celly TRAINERBEAT2BL smartwatch / sport watch (870 mAh vs 150 mAh). Display diagonal: 129.5 cm (51") on the Amazfit T-Rex Ultra 2, 3.66 cm (1.44") on the Celly TRAINERBEAT2BL smartwatch / sport watch. Market positioning: Sport watch on the Amazfit T-Rex Ultra 2, Smartwatch on the Celly TRAINERBEAT2BL smartwatch / sport watch. Band colour: Black, Brown on the Amazfit T-Rex Ultra 2, Black, Blue on the Celly TRAINERBEAT2BL smartwatch / sport watch. Shape: Round on the Amazfit T-Rex Ultra 2, Rectangular on the Celly TRAINERBEAT2BL smartwatch / sport watch.

Display diagonal
- T-Rex Ultra 2:129.5 cm (51")
- TRAINERBEAT2BL smartwatch / sport watch:3.66 cm (1.44")
Market positioning
- T-Rex Ultra 2:Sport watch
- TRAINERBEAT2BL smartwatch / sport watch:Smartwatch
Band colour
- T-Rex Ultra 2:Black, Brown
- TRAINERBEAT2BL smartwatch / sport watch:Black, Blue
Shape
- T-Rex Ultra 2:Round
- TRAINERBEAT2BL smartwatch / sport watch:Rectangular
Battery capacity
- T-Rex Ultra 2:870 mAh
- TRAINERBEAT2BL smartwatch / sport watch:150 mAh

Side by side

Differences highlightedShow differences only

Comparison of T-Rex Ultra 2, TRAINERBEAT2BL
79 specifications	A Amazfit T-Rex Ultra 2 View product	B Celly TRAINERBEAT2BL smartwatch / sport watch Model TRAINERBEAT2BL View product
Display1 differ
Display typeKnown for one	Digital	Unknown — not stated by the source
Display resolutionKnown for one	480 x 480 pixels	Unknown — not stated by the source
Display diagonalDiffers	129.5 cm (51")	3.66 cm (1.44")
Display technologyKnown for one	AMOLED	Unknown — not stated by the source
Display brightnessKnown for one	3000 cd/m²	Unknown — not stated by the source
Pixel densityKnown for one	322 ppi	Unknown — not stated by the source
Watch glass typeKnown for one	Sapphire	Unknown — not stated by the source
BacklightKnown for one	Yes	Unknown — not stated by the source
Design3 differ
Market positioningDiffers	Sport watch	Smartwatch
Watch case sizeKnown for one	51 mm	Unknown — not stated by the source
Watch case colourKnown for one	Titanium	Unknown — not stated by the source
Watch case materialKnown for one	Titanium, Glass Fiber Reinforced Polymer (GFRP)	Unknown — not stated by the source
Band colourDiffers	Black, Brown	Black, Blue
Band sizeKnown for one	One Size	Unknown — not stated by the source
ShapeDiffers	Round	Rectangular
Wrist size rangeKnown for one	145 - 215 mm	Unknown — not stated by the source
Magnetic charging connectorKnown for one	Yes	Unknown — not stated by the source
Water resistanceKnown for one	10 ATM	Unknown — not stated by the source
Waterproof up toKnown for one	45 m	Unknown — not stated by the source
Buckle colourKnown for one	Unknown — not stated by the source	Silver
Closure typeKnown for one	Unknown — not stated by the source	Single prong strap buckle
Removable strapKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Mobile operating systems supportedKnown for one	Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 8.1, Android 9.0, Android 10, Android 10.0, Android 11.0, Android 12.0, Android 13.0, Android 14.0, Android 15, Android 16, iOS 15, iOS 16, iOS 17, iOS 18, iOS 26	Unknown — not stated by the source
Operating system installedKnown for one	Zepp OS	Unknown — not stated by the source
Featuresidentical
Sleep apnea detectionKnown for one	Yes	Unknown — not stated by the source
AccelerometerKnown for one	Yes	Unknown — not stated by the source
GyroscopeKnown for one	Yes	Unknown — not stated by the source
Built-in speedometerKnown for one	Yes	Unknown — not stated by the source
Alarm clockKnown for one	Yes	Unknown — not stated by the source
Ambient light sensorKnown for one	Yes	Unknown — not stated by the source
Barometric altimeterKnown for one	Yes	Unknown — not stated by the source
Call notificationsKnown for one	Yes	Unknown — not stated by the source
Electronic compassKnown for one	Yes	Unknown — not stated by the source
Find my phone functionKnown for one	Yes	Unknown — not stated by the source
Geomagnetic sensorKnown for one	Yes	Unknown — not stated by the source
Interval trainingKnown for one	Yes	Unknown — not stated by the source
Recommended activityKnown for one	Running, Cycling, Walking, Swimming, Climbing, Hiking, Fishing, Hunting, Skateboarding, Motor sports, Yoga, Pilates, HIIT, Gymnastics, Dance, Boxing, Kickboxing, Hockey, Football, Basketball, Volleyball, Tennis, Handball, Golf, Skiing, Diving	Unknown — not stated by the source
Skin temperature sensorKnown for one	Yes	Unknown — not stated by the source
Smart notificationsKnown for one	Yes	Unknown — not stated by the source
StopwatchKnown for one	Yes	Unknown — not stated by the source
Stress monitoring functionKnown for one	Yes	Unknown — not stated by the source
Sun & moon informationKnown for one	Yes	Unknown — not stated by the source
Virtual pacer functionKnown for one	Yes	Unknown — not stated by the source
Weather displayKnown for one	Yes	Unknown — not stated by the source
World time functionKnown for one	Yes	Unknown — not stated by the source
Activity trackerKnown for one	Unknown — not stated by the source	Yes
Calendar notificationsKnown for one	Unknown — not stated by the source	Yes
Music controlKnown for one	Unknown — not stated by the source	Yes
Networkidentical
GPS (satellite)Known for one	Yes	Unknown — not stated by the source
Mobile network connectionKnown for one	Unknown — not stated by the source	No
Ports & interfacesidentical
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	5.2	Unknown — not stated by the source
Bluetooth Low Energy (BLE)Known for one	Yes	Unknown — not stated by the source
Near Field Communication (NFC)Known for one	Yes	Unknown — not stated by the source
USB portKnown for one	Unknown — not stated by the source	Yes
BluetoothKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Battery lifeKnown for one	30 day(s)	Unknown — not stated by the source
Battery life (GPS mode)Known for one	177 h	Unknown — not stated by the source
Battery life (max)Known for one	Unknown — not stated by the source	100 h
Battery1 differ
Battery capacityDiffers	870 mAh	150 mAh
Softwareidentical
Sports activity appsKnown for one	Strava, RunKeeper, TrainingPeaks	Unknown — not stated by the source
Other featuresidentical
Number of sports modesKnown for one	187	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	51 mm	Unknown — not stated by the source
DepthKnown for one	51 mm	Unknown — not stated by the source
ThicknessKnown for one	1.43 cm	Unknown — not stated by the source
WeightKnown for one	89.2 g	Unknown — not stated by the source
Packaging contentidentical
Charging baseKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Packaging contentKnown for one	Unknown — not stated by the source	two interchangeable straps

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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