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Product comparison · 2 smartwatches

Amazfit GTR 3 Pro + TWS UP vs Cellularline ION ULTRA SMARTWATCH BLUETOOTH SQUARE

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  • 25specifications compared
  • 9differ
  • 16identical
  • 55known for one product only

Key differences

The Cellularline ION ULTRA SMARTWATCH BLUETOOTH SQUARE has 0.2 more Bluetooth version than the Amazfit GTR 3 Pro + TWS UP (5.2 vs 5.0). The Amazfit GTR 3 Pro + TWS UP has 35 mm more width than the Cellularline ION ULTRA SMARTWATCH BLUETOOTH SQUARE (46 mm vs 11 mm). The Amazfit GTR 3 Pro + TWS UP has 8.5 mm more depth than the Cellularline ION ULTRA SMARTWATCH BLUETOOTH SQUARE (46 mm vs 37.5 mm). Only the Amazfit GTR 3 Pro + TWS UP has GPS (satellite). Only the Amazfit GTR 3 Pro + TWS UP has Wi-Fi.

  • Display diagonal
    • 3.68 cm (1.45")
    • 4.98 cm (1.96")
  • Shape
    • Round
    • Rectangular
  • GPS (satellite)
    • Yes
    • No
  • Wi-Fi
    • Yes
    • No
  • Bluetooth version
    • 5.0
    • 5.2
  • Width
    • 46 mm
    • 11 mm
  • Depth
    • 46 mm
    • 37.5 mm
  • Thickness
    • 1.07 cm
    • 2.5 cm

Side by side

Differences highlightedShow differences only
80 specifications
A

Amazfit

GTR 3 Pro + TWS UPView product
B

Cellularline

ION ULTRA SMARTWATCH BLUETOOTH SQUARE

Model BTIONWATCHULTRAK

View product
Display1 differ
Display typeDigitalDigital
Display resolutionKnown for one480 x 480 pixels
TouchscreenYesYes
Display diagonalDiffers3.68 cm (1.45")4.98 cm (1.96")
Display technologyAMOLEDAMOLED
Pixel densityKnown for one331 ppi
Colour displayYesYes
Design1 differ
Market positioningSmartwatchSmartwatch
Watch case sizeKnown for one46 mm
Watch case colourBlackBlack
Watch case materialKnown for oneAluminium
Band colourBlackBlack
ShapeDiffersRoundRectangular
Wrist size rangeKnown for one155 - 218 mm
Maximum strap lengthKnown for one21.8 cm
Closure typeKnown for oneSingle prong strap buckle
Protection featuresWaterproofWaterproof
Water resistanceKnown for one5 ATM
International Protection (IP) codeKnown for oneIP68
Product colourKnown for oneBlack
Removable strapKnown for oneYes
Performanceidentical
Built-in microphoneYesYes
Built-in speaker(s)YesYes
Built-in cameraNoNo
FM radioKnown for oneNo
Mobile operating systems supportedKnown for oneAndroid 10, Android 10.0, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, iOS 12, iOS 13, iOS 14.5
Operating system installedKnown for oneZepp OS
Flash memoryKnown for one0.00064 GB
Featuresidentical
Heart rate monitorYesYes
Blood oxygen sensorYesYes
AccelerometerKnown for oneYes
GyroscopeKnown for oneYes
Ambient light sensorKnown for oneYes
Caller IDKnown for oneYes
Clock modeKnown for one12h/24h
Geomagnetic sensorKnown for oneYes
Skin temperature sensorKnown for oneYes
Smart notificationsKnown for oneYes
BarometerKnown for oneYes
Blood pressure monitorKnown for oneYes
Calories burnedKnown for oneYes
Quality of sleepKnown for oneYes
Vibrating motorKnown for oneYes
Find my phone functionKnown for oneYes
Network1 differ
Mobile network connectionNoNo
GPS (satellite)DiffersYesNo
BeiDouKnown for oneYes
GLONASSKnown for oneYes
GalileoKnown for oneYes
Quasi-Zenith Satellite System (QZSS)Known for oneYes
Ports & interfaces2 differ
USB portNoNo
Wi-FiDiffersYesNo
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth versionDiffers5.05.2
Headphone connectivityKnown for oneBluetooth
BluetoothKnown for oneYes
Poweridentical
Battery typeBuilt-in batteryBuilt-in battery
Battery life (GPS mode)Known for one35 h
Charging timeKnown for one2.5 h
Battery life (max)Known for one120 h
Battery lifeKnown for one5 day(s)
Wireless chargingKnown for oneNo
Batteryidentical
Battery capacityKnown for one450 mAh
Battery weightKnown for one43 g
Weight & dimensions4 differ
WidthDiffers46 mm11 mm
DepthDiffers46 mm37.5 mm
ThicknessDiffers1.07 cm2.5 cm
WeightDiffers32 g146 g
Band widthKnown for one2.2 cm
HeightKnown for one25 mm
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 one32 mm
Package depthKnown for one90 mm
Package heightKnown for one162 mm
Package weightKnown for one152 g
Packaging contentidentical
AC adapter includedKnown for oneNo
Batteries includedKnown for oneNo

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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