All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 smartwatches

Amazfit T-Rex Ultra 2 vs Cellularline ION SMARTWATCH BLUETOOTH

Add a product
  • 22specifications compared
  • 11differ
  • 11identical
  • 71known for one product only

Key differences

The Amazfit T-Rex Ultra 2 has 39.5 mm more width than the Cellularline ION SMARTWATCH BLUETOOTH (51 mm vs 11.5 mm). The Amazfit T-Rex Ultra 2 has 10.8 mm more depth than the Cellularline ION SMARTWATCH BLUETOOTH (51 mm vs 40.2 mm). The Cellularline ION SMARTWATCH BLUETOOTH has 24.57 cm more thickness than the Amazfit T-Rex Ultra 2 (26 cm vs 1.43 cm). Display diagonal: 129.5 cm (51") on the Amazfit T-Rex Ultra 2, 4.65 cm (1.83") on the Cellularline ION SMARTWATCH BLUETOOTH. Display technology: AMOLED on the Amazfit T-Rex Ultra 2, IPS on the Cellularline ION SMARTWATCH BLUETOOTH.

  • Display diagonal
    • 129.5 cm (51")
    • 4.65 cm (1.83")
  • Display technology
    • AMOLED
    • IPS
  • Watch case colour
    • Titanium
    • Gold
  • Band colour
    • Black, Brown
    • Rose
  • Shape
    • Round
    • Rectangular
  • Battery life
    • 30 day(s)
    • 5 day(s)
  • Width
    • 51 mm
    • 11.5 mm
  • Depth
    • 51 mm
    • 40.2 mm

Side by side

Differences highlightedShow differences only
93 specifications
A

Amazfit

T-Rex Ultra 2View product
B

Cellularline

ION SMARTWATCH BLUETOOTH

Model BTIONWATCHP

View product
Display2 differ
Display typeDigitalDigital
Display resolutionKnown for one480 x 480 pixels
TouchscreenYesYes
Display diagonalDiffers129.5 cm (51")4.65 cm (1.83")
Display technologyDiffersAMOLEDIPS
Display brightnessKnown for one3000 cd/m²
Pixel densityKnown for one322 ppi
Watch glass typeKnown for oneSapphire
BacklightKnown for oneYes
Colour displayKnown for oneYes
Rounded display cornersKnown for oneYes
Design3 differ
Market positioningSport watchSport watch
Watch case sizeKnown for one51 mm
Watch case colourDiffersTitaniumGold
Watch case materialKnown for oneTitanium, Glass Fiber Reinforced Polymer (GFRP)
Band colourDiffersBlack, BrownRose
Band materialKnown for oneSilicone
Band sizeKnown for oneOne Size
ShapeDiffersRoundRectangular
Wrist size rangeKnown for one145 - 215 mm
Magnetic charging connectorYesYes
Water resistanceKnown for one10 ATM
Waterproof up toKnown for one45 m
Product colourKnown for onePink
Performance1 differ
Built-in microphoneKnown for oneYes
Built-in speaker(s)Known for oneYes
Built-in cameraKnown for oneNo
Mobile operating systems supportedDiffersAndroid 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 26Android, iOS
Operating system installedKnown for oneZepp OS
Featuresidentical
Heart rate monitorYesYes
Blood oxygen sensorYesYes
Sleep apnea detectionKnown for oneYes
AccelerometerKnown for oneYes
GyroscopeKnown for oneYes
Quality of sleepYesYes
Built-in speedometerKnown for oneYes
Alarm clockKnown for oneYes
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 notificationsYesYes
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
Heart rate contact sensorsKnown for oneYes
Heart rate sensor typeKnown for oneOptical
Blood pressure monitorKnown for oneYes
PedometerKnown for oneYes
Calories burnedKnown for oneYes
Activity trackerKnown for oneYes
Multisport modeKnown for oneYes
Networkidentical
GPS (satellite)Known for oneYes
Ports & interfacesidentical
Wi-FiKnown for oneYes
Bluetooth version5.25.2
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)5 day(s)
Battery life (GPS mode)Known for one177 h
Wireless chargingKnown for oneNo
Batteryidentical
Battery capacityKnown for one870 mAh
Battery weightKnown for one10 g
Softwareidentical
Sports activity appsKnown for oneStrava, RunKeeper, TrainingPeaks
Other featuresidentical
Number of sports modesKnown for one187
Weight & dimensions4 differ
WidthDiffers51 mm11.5 mm
DepthDiffers51 mm40.2 mm
ThicknessDiffers1.43 cm26 cm
WeightDiffers89.2 g80 g
HeightKnown for one260 mm
Packaging contentidentical
Charging baseKnown for oneYes
ManualYesYes
AC adapter includedKnown for oneNo
Batteries includedKnown for oneNo
Cables includedKnown for oneUSB
Certificatesidentical
UN numberKnown for oneUN3481
Technical detailsidentical
Cable lengthKnown for one0.15 m
Radio Equipment Directive (RED)Known for oneNo
Warranty periodKnown for one2 year(s)
Packaging dataidentical
Package widthKnown for one28 mm
Package depthKnown for one90 mm
Package heightKnown for one164 mm
Package weightKnown for one95 g

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.

More smartwatch comparisons

All smartwatch comparisons