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Product comparison · 2 smartwatches

Amazfit T-Rex Ultra 2 vs Motorola Moto Watch

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  • 38specifications compared
  • 17differ
  • 21identical
  • 46known for one product only

Key differences

  • Display diagonal
    • 129.5 cm (51")
    • 3.63 cm (1.43")
  • Display technology
    • AMOLED
    • OLED
  • Watch glass type
    • Sapphire
    • Corning Gorilla Glass 3
  • Watch case size
    • 51 mm
    • 47 mm
  • Watch case colour
    • Titanium
    • Black
  • Band colour
    • Black, Brown
    • Black
  • Water resistance
    • 10 ATM
    • 1 ATM
  • Operating system installed
    • Zepp OS
    • Android

Side by side

Differences highlightedShow differences only
84 specifications
A

Amazfit

T-Rex Ultra 2View product
B

Motorola

Moto WatchView product
Display3 differ
Display typeDigitalDigital
Display resolutionKnown for one480 x 480 pixels
TouchscreenYesYes
Display diagonalDiffers129.5 cm (51")3.63 cm (1.43")
Display technologyDiffersAMOLEDOLED
Display brightnessKnown for one3000 cd/m²
Pixel densityKnown for one322 ppi
Watch glass typeDiffersSapphireCorning Gorilla Glass 3
BacklightKnown for oneYes
Always-on displayKnown for oneYes
Design5 differ
Market positioningSport watchSport watch
Watch case sizeDiffers51 mm47 mm
Watch case colourDiffersTitaniumBlack
Watch case materialDiffersTitanium, Glass Fiber Reinforced Polymer (GFRP)Aluminium, Stainless steel
Band colourDiffersBlack, BrownBlack
Band materialSiliconeSilicone
Band sizeKnown for oneOne Size
ShapeRoundRound
Wrist size rangeKnown for one145 - 215 mm
Magnetic charging connectorKnown for oneYes
Water resistanceDiffers10 ATM1 ATM
Waterproof up toKnown for one45 m
Band colour nameKnown for onePANTONE Volcanic Ash
International Protection (IP) codeKnown for oneIP68
Protection featuresKnown for oneScratch resistant, Waterproof
Performance1 differ
Built-in microphoneYesYes
Built-in speaker(s)YesYes
Built-in cameraNoNo
Mobile operating systems supportedKnown for oneAndroid 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
Operating system installedDiffersZepp OSAndroid
FM radioKnown for oneNo
RAM capacityKnown for one512 MB
Flash memoryKnown for one4 TB
Features1 differ
Heart rate monitorYesYes
Blood oxygen sensorKnown for oneYes
Sleep apnea detectionKnown for oneYes
AccelerometerYesYes
GyroscopeYesYes
Quality of sleepYesYes
Built-in speedometerKnown for oneYes
Alarm clockKnown for oneYes
Ambient light sensorYesYes
Barometric altimeterKnown for oneYes
Call notificationsYesYes
Electronic compassYesYes
Find my phone functionKnown for oneYes
Geomagnetic sensorKnown for oneYes
Interval trainingKnown for oneYes
Recommended activityDiffersRunning, 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, DivingCycling, Running
SMS notificationsYesYes
Skin temperature sensorKnown for oneYes
Smart notificationsKnown for oneYes
StopwatchKnown for oneYes
Stress monitoring functionYesYes
Sun & moon informationKnown for oneYes
Virtual pacer functionKnown for oneYes
Weather displayKnown for oneYes
World time functionKnown for oneYes
Calendar notificationsKnown for oneYes
Motivating feedbackKnown for oneYes
Music controlKnown for oneYes
RefurbishedKnown for oneNo
Workout trackingKnown for oneYes
Networkidentical
GPS (satellite)YesYes
Mobile network connectionKnown for oneNo
Ports & interfaces2 differ
Wi-FiDiffersYesNo
Bluetooth versionDiffers5.25.3
Bluetooth Low Energy (BLE)YesYes
Near Field Communication (NFC)Known for oneYes
BluetoothKnown for oneYes
Power1 differ
Battery typeBuilt-in batteryBuilt-in battery
Battery lifeDiffers30 day(s)13 day(s)
Battery life (GPS mode)Known for one177 h
Batteryidentical
Battery capacityKnown for one870 mAh
Softwareidentical
Sports activity appsKnown for oneStrava, RunKeeper, TrainingPeaks
Other featuresidentical
Number of sports modesKnown for one187
Weight & dimensions4 differ
WidthDiffers51 mm47 mm
DepthDiffers51 mm47 mm
ThicknessDiffers1.43 cm1.2 cm
WeightDiffers89.2 g40 g
Band widthKnown for one2.2 cm
Packaging contentidentical
Charging baseYesYes
ManualKnown for oneYes
Quick installation guideKnown for oneYes

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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