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Product comparison · 2 smartwatches

Amazfit T-Rex Ultra 2 vs Hama 00178669 smartwatch / sport watch

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  • 19specifications compared
  • 10differ
  • 9identical
  • 65known for one product only

Key differences

The Amazfit T-Rex Ultra 2 has 4 mm more width than the Hama 00178669 smartwatch / sport watch (51 mm vs 47 mm). The Amazfit T-Rex Ultra 2 has 0.03 cm more thickness than the Hama 00178669 smartwatch / sport watch (1.43 cm vs 1.4 cm). The Amazfit T-Rex Ultra 2 has 37.2 g more weight than the Hama 00178669 smartwatch / sport watch (89.2 g vs 52 g). Only the Hama 00178669 smartwatch / sport watch has built-in camera. Display diagonal: 129.5 cm (51") on the Amazfit T-Rex Ultra 2, 3.02 cm (1.19") on the Hama 00178669 smartwatch / sport watch.

  • Display diagonal
    • 129.5 cm (51")
    • 3.02 cm (1.19")
  • Market positioning
    • Sport watch
    • Smartwatch
  • Watch case colour
    • Titanium
    • Blue
  • Band colour
    • Black, Brown
    • Blue
  • Built-in camera
    • No
    • Yes
  • Battery life
    • 30 day(s)
    • 2 day(s)
  • Width
    • 51 mm
    • 47 mm
  • Thickness
    • 1.43 cm
    • 1.4 cm

Side by side

Differences highlightedShow differences only
84 specifications
A

Amazfit

T-Rex Ultra 2View product
B

Hama

00178669 smartwatch / sport watch

Model 00178669

View product
Display1 differ
Display typeDigitalDigital
Display resolutionKnown for one480 x 480 pixels
TouchscreenYesYes
Display diagonalDiffers129.5 cm (51")3.02 cm (1.19")
Display technologyAMOLEDAMOLED
Display brightnessKnown for one3000 cd/m²
Pixel densityKnown for one322 ppi
Watch glass typeKnown for oneSapphire
BacklightKnown for oneYes
Design4 differ
Market positioningDiffersSport watchSmartwatch
Watch case sizeKnown for one51 mm
Watch case colourDiffersTitaniumBlue
Watch case materialDiffersTitanium, Glass Fiber Reinforced Polymer (GFRP)Plastic
Band colourDiffersBlack, BrownBlue
Band materialSiliconeSilicone
Band sizeKnown for oneOne Size
ShapeRoundRound
Wrist size rangeKnown for one145 - 215 mm
Magnetic charging connectorKnown for oneYes
Water resistanceKnown for one10 ATM
Waterproof up toKnown for one45 m
Minimum strap lengthKnown for one12.5 cm
Maximum strap lengthKnown for one18.5 cm
Suggested genderKnown for oneUnisex
Designed for childrenKnown for oneYes
Buckle colourKnown for oneMetallic
Closure typeKnown for oneSingle prong strap buckle
International Protection (IP) codeKnown for oneIP67
Protection featuresKnown for oneDust resistant
Performance1 differ
Built-in microphoneYesYes
Built-in speaker(s)YesYes
Built-in cameraDiffersNoYes
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 installedKnown for oneZepp OS
Featuresidentical
Heart rate monitorKnown for oneYes
Blood oxygen sensorKnown for oneYes
Sleep apnea detectionKnown for oneYes
AccelerometerKnown for oneYes
GyroscopeKnown for oneYes
Quality of sleepKnown for oneYes
Built-in speedometerKnown for oneYes
Alarm clockYesYes
Ambient light sensorKnown for oneYes
Barometric altimeterKnown for oneYes
Call notificationsKnown for oneYes
Electronic compassKnown for oneYes
Find my phone functionKnown for oneYes
Geomagnetic sensorKnown for oneYes
Interval trainingKnown for oneYes
Recommended activityKnown for oneRunning, 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
SMS notificationsKnown for oneYes
Skin temperature sensorKnown for oneYes
Smart notificationsKnown for oneYes
StopwatchKnown for oneYes
Stress monitoring functionKnown for oneYes
Sun & moon informationKnown for oneYes
Virtual pacer functionKnown for oneYes
Weather displayKnown for oneYes
World time functionKnown for oneYes
PedometerKnown for oneYes
SOS alert functionKnown for oneYes
RefurbishedKnown for oneNo
Networkidentical
GPS (satellite)YesYes
Ports & interfacesidentical
Wi-FiKnown for oneYes
Bluetooth versionKnown for one5.2
Bluetooth Low Energy (BLE)Known for oneYes
Near Field Communication (NFC)Known for oneYes
BluetoothKnown for oneYes
Power1 differ
Battery typeKnown for oneBuilt-in battery
Battery lifeDiffers30 day(s)2 day(s)
Battery life (GPS mode)Known for one177 h
Battery life (max)Known for one48 h
Batteryidentical
Battery capacityKnown for one870 mAh
Softwareidentical
Sports activity appsKnown for oneStrava, RunKeeper, TrainingPeaks
Other featuresidentical
Number of sports modesKnown for one187
Weight & dimensions3 differ
WidthDiffers51 mm47 mm
DepthKnown for one51 mm
ThicknessDiffers1.43 cm1.4 cm
WeightDiffers89.2 g52 g
Band widthKnown for one2.2 cm
Total length (band + watch)Known for one26 cm
Packaging contentidentical
Charging baseKnown for oneYes
ManualKnown for oneYes
Cables includedKnown for oneUSB Type-A

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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