Product comparison · 2 smartwatches

Amazfit T-Rex Ultra 2 vs Nilox Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite)

27specifications compared
13differ
14identical
58known for one product only

Key differences

The Amazfit T-Rex Ultra 2 has 490 mAh more battery capacity than the Nilox Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite) (870 mAh vs 380 mAh). The Amazfit T-Rex Ultra 2 has 5 mm more width than the Nilox Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite) (51 mm vs 46 mm). The Amazfit T-Rex Ultra 2 has 5 mm more depth than the Nilox Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite) (51 mm vs 46 mm). Display resolution: 480 x 480 pixels on the Amazfit T-Rex Ultra 2, 466 x 466 pixels on the Nilox Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite). Display diagonal: 129.5 cm (51") on the Amazfit T-Rex Ultra 2, 3.63 cm (1.43") on the Nilox Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite).

Display resolution
- T-Rex Ultra 2:480 x 480 pixels
- Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite):466 x 466 pixels
Display diagonal
- T-Rex Ultra 2:129.5 cm (51")
- Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite):3.63 cm (1.43")
Market positioning
- T-Rex Ultra 2:Sport watch
- Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite):Smartwatch
Watch case colour
- T-Rex Ultra 2:Titanium
- Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite):Black
Band colour
- T-Rex Ultra 2:Black, Brown
- Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite):Black, Grey
Band material
- T-Rex Ultra 2:Silicone
- Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite):Nylon, Silicone
Operating system installed
- T-Rex Ultra 2:Zepp OS
- Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite):RTOS
Battery capacity
- T-Rex Ultra 2:870 mAh
- Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite):380 mAh

Side by side

Differences highlightedShow differences only

Comparison of T-Rex Ultra 2, Sportivo
85 specifications	A Amazfit T-Rex Ultra 2 View product	B Nilox Sportivo 3.63 cm (1.43") AMOLED Digital 466 x 466 pixels Touchscreen Black GPS (satellite) Model Sportivo View product
Display2 differ
Display type	Digital	Digital
Display resolutionDiffers	480 x 480 pixels	466 x 466 pixels
Touchscreen	Yes	Yes
Display diagonalDiffers	129.5 cm (51")	3.63 cm (1.43")
Display technology	AMOLED	AMOLED
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
Design4 differ
Market positioningDiffers	Sport watch	Smartwatch
Watch case sizeKnown for one	51 mm	Unknown — not stated by the source
Watch case colourDiffers	Titanium	Black
Watch case materialKnown for one	Titanium, Glass Fiber Reinforced Polymer (GFRP)	Unknown — not stated by the source
Band colourDiffers	Black, Brown	Black, Grey
Band materialDiffers	Silicone	Nylon, Silicone
Band size	One Size	One Size
Shape	Round	Round
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
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP68
Removable strapKnown for one	Unknown — not stated by the source	Yes
Performance2 differ
Built-in microphone	Yes	Yes
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Built-in camera	No	No
Mobile operating systems supportedDiffers	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	Android 5.0, Android 5.1, iOS, iOS 11.0, iOS 11.4, iOS 12, iOS 13, iOS 13.4, iOS 14, iOS 14.3, iOS 14.5, iOS 15, iOS 16, iOS 17, iOS 18
Operating system installedDiffers	Zepp OS	RTOS
Featuresidentical
Heart rate monitor	Yes	Yes
Blood oxygen sensor	Yes	Yes
Sleep apnea detectionKnown for one	Yes	Unknown — not stated by the source
Accelerometer	Yes	Yes
Gyroscope	Yes	Yes
Quality of sleep	Yes	Yes
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
SMS notificationsKnown for one	Yes	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
Blood pressure monitorKnown for one	Unknown — not stated by the source	Yes
Distance travelledKnown for one	Unknown — not stated by the source	Yes
PedometerKnown for one	Unknown — not stated by the source	Yes
Calories burnedKnown for one	Unknown — not stated by the source	Yes
RefurbishedKnown for one	Unknown — not stated by the source	No
Training programmingKnown for one	Unknown — not stated by the source	Yes
Voice activationKnown for one	Unknown — not stated by the source	Yes
Weather forecastKnown for one	Unknown — not stated by the source	Yes
Supported applicationsKnown for one	Unknown — not stated by the source	Smart-Time Pro
Networkidentical
GPS (satellite)	Yes	Yes
Mobile network connectionKnown for one	Unknown — not stated by the source	No
Mobile network generationKnown for one	Unknown — not stated by the source	Not supported
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
BluetoothKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Battery type	Built-in battery	Built-in battery
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	150 h
Charging timeKnown for one	Unknown — not stated by the source	3 h
Battery1 differ
Battery capacityDiffers	870 mAh	380 mAh
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
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 & dimensions4 differ
WidthDiffers	51 mm	46 mm
DepthDiffers	51 mm	46 mm
ThicknessDiffers	1.43 cm	1.5 cm
WeightDiffers	89.2 g	70.5 g
Packaging contentidentical
Charging baseKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source

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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