Product comparison · 2 smartwatches

Amazfit T-Rex 3 vs Amazfit W2040OV7N smartwatch / sport watch

26specifications compared
8differ
18identical
56known for one product only

Key differences

Display diagonal
- T-Rex 3:3.81 cm (1.5")
- W2040OV7N smartwatch / sport watch:3.68 cm (1.45")
Pixel density
- T-Rex 3:326 ppi
- W2040OV7N smartwatch / sport watch:331 ppi
Watch case material
- T-Rex 3:Polymer, Stainless steel
- W2040OV7N smartwatch / sport watch:Aluminium
Colour name
- T-Rex 3:Onyx
- W2040OV7N smartwatch / sport watch:Infinite Black
Protection features
- T-Rex 3:Water resistant
- W2040OV7N smartwatch / sport watch:Waterproof
Water resistance
- T-Rex 3:10 ATM
- W2040OV7N smartwatch / sport watch:5 ATM
Built-in speaker(s)
- T-Rex 3:No
- W2040OV7N smartwatch / sport watch:Yes
Battery life
- T-Rex 3:27 day(s)
- W2040OV7N smartwatch / sport watch:12 day(s)

Side by side

Differences highlightedShow differences only

Comparison of T-Rex 3, W2040OV7N
82 specifications	A Amazfit T-Rex 3 View product	B Amazfit W2040OV7N smartwatch / sport watch Model W2040OV7N View product
Display2 differ
Display type	Digital	Digital
Display resolutionKnown for one	480 x 480 pixels	Unknown — not stated by the source
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Display diagonalDiffers	3.81 cm (1.5")	3.68 cm (1.45")
Display technology	AMOLED	AMOLED
Pixel densityDiffers	326 ppi	331 ppi
Watch glass typeKnown for one	Corning Gorilla Glass	Unknown — not stated by the source
Display brightnessKnown for one	Unknown — not stated by the source	1000 cd/m²
Colour displayKnown for one	Unknown — not stated by the source	Yes
Design4 differ
Market positioning	Smartwatch	Smartwatch
Watch case sizeKnown for one	48.5 mm	Unknown — not stated by the source
Watch case colour	Black	Black
Watch case materialDiffers	Polymer, Stainless steel	Aluminium
Band colour	Black	Black
Band materialKnown for one	Silicone	Unknown — not stated by the source
Band sizeKnown for one	One Size	Unknown — not stated by the source
Shape	Round	Round
Wrist size rangeKnown for one	145 - 210 mm	Unknown — not stated by the source
Suggested genderKnown for one	Male	Unknown — not stated by the source
Buckle colourKnown for one	Black	Unknown — not stated by the source
Colour nameDiffers	Onyx	Infinite Black
Closure type	Single prong strap buckle	Single prong strap buckle
Magnetic charging connectorKnown for one	Yes	Unknown — not stated by the source
Protection featuresDiffers	Water resistant	Waterproof
Water resistanceDiffers	10 ATM	5 ATM
Waterproof up toKnown for one	100 m	Unknown — not stated by the source
CertificationKnown for one	EN13319, ISO 6425, GB/T 18828 certification for freediving to 45 meters	Unknown — not stated by the source
Performance1 differ
Built-in speaker(s)Differs	No	Yes
Built-in cameraKnown for one	No	Unknown — not stated by the source
FM radioKnown for one	No	Unknown — not stated by the source
Operating system installed	Zepp OS	Zepp OS
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Heart rate monitor	Yes	Yes
Blood oxygen sensor	Yes	Yes
GyroscopeKnown for one	Yes	Unknown — not stated by the source
Multisport modeKnown for one	Yes	Unknown — not stated by the source
Quality of sleep	Yes	Yes
Short Message Service (SMS)Known for one	Yes	Unknown — not stated by the source
Activity monitoring	Yes	Yes
Alarm clock	Yes	Yes
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
Geomagnetic sensorKnown for one	Yes	Unknown — not stated by the source
Music controlKnown for one	Yes	Unknown — not stated by the source
Skin temperature sensor	Yes	Yes
Stopwatch	Yes	Yes
Stress monitoring function	Yes	Yes
Sun & moon informationKnown for one	Yes	Unknown — not stated by the source
TimerKnown for one	Yes	Unknown — not stated by the source
World time functionKnown for one	Yes	Unknown — not stated by the source
ThermometerKnown for one	Yes	Unknown — not stated by the source
AltimeterKnown for one	Yes	Unknown — not stated by the source
Supported applicationsKnown for one	Zepp App	Unknown — not stated by the source
Personal info management (PIM)Known for one	Unknown — not stated by the source	Menstrual cycle, Stopwatch
CalendarKnown for one	Unknown — not stated by the source	No
Electronic compassKnown for one	Unknown — not stated by the source	Yes
Recommended activityKnown for one	Unknown — not stated by the source	Running, Walking
Weather displayKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Mobile network connectionKnown for one	No	Unknown — not stated by the source
Mobile network generationKnown for one	Not supported	Unknown — not stated by the source
GPS (satellite)	Yes	Yes
GLONASSKnown for one	Unknown — not stated by the source	Yes
GalileoKnown for one	Unknown — not stated by the source	Yes
Quasi-Zenith Satellite System (QZSS)Known for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
USB portKnown for one	No	Unknown — not stated by the source
Wi-FiKnown for one	Yes	Unknown — not stated by the source
BluetoothKnown 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
Power1 differ
Battery type	Built-in battery	Built-in battery
Battery lifeDiffers	27 day(s)	12 day(s)
Battery life (GPS mode)Known for one	42 h	Unknown — not stated by the source
Charging timeKnown for one	3 h	Unknown — not stated by the source
Batteryidentical
Battery capacityKnown for one	700 mAh	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	48.5 mm	Unknown — not stated by the source
DepthKnown for one	48.5 mm	Unknown — not stated by the source
ThicknessKnown for one	1.38 cm	Unknown — not stated by the source
WeightKnown for one	68.3 g	Unknown — not stated by the source
Band widthKnown for one	2.2 cm	Unknown — not stated by the source
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.

More smartwatch comparisons

All smartwatch comparisons