Product comparison · 2 smartwatches

Amazfit T-Rex 3 Lava vs Amazfit Zepp E Square

43specifications compared
23differ
20identical
47known for one product only

Key differences

Display resolution
- T-Rex 3 Lava:480 x 480 pixels
- Zepp E Square:348 x 442 pixels
Display diagonal
- T-Rex 3 Lava:3.81 cm (1.5")
- Zepp E Square:4.19 cm (1.65")
Pixel density
- T-Rex 3 Lava:322 ppi
- Zepp E Square:341 ppi
Market positioning
- T-Rex 3 Lava:Sport watch
- Zepp E Square:Smartwatch
Watch case size
- T-Rex 3 Lava:48.5 mm
- Zepp E Square:42 mm
Watch case colour
- T-Rex 3 Lava:Black, Stainless steel
- Zepp E Square:Black
Watch case material
- T-Rex 3 Lava:Polymer, Stainless steel
- Zepp E Square:Stainless steel
Band colour
- T-Rex 3 Lava:Orange
- Zepp E Square:Black

Side by side

Differences highlightedShow differences only

Comparison of T-Rex 3 Lava, Zepp E Square
90 specifications	A Amazfit T-Rex 3 Lava View product	B Amazfit Zepp E Square View product
Display3 differ
Display type	Digital	Digital
Display resolutionDiffers	480 x 480 pixels	348 x 442 pixels
Touchscreen	Yes	Yes
Display diagonalDiffers	3.81 cm (1.5")	4.19 cm (1.65")
Display technology	AMOLED	AMOLED
Display brightnessKnown for one	2000 cd/m²	Unknown — not stated by the source
Pixel densityDiffers	322 ppi	341 ppi
Colour display	Yes	Yes
Watch glass typeKnown for one	Corning Gorilla Glass	Unknown — not stated by the source
Always-on displayKnown for one	Unknown — not stated by the source	Yes
Design10 differ
Market positioningDiffers	Sport watch	Smartwatch
Watch case sizeDiffers	48.5 mm	42 mm
Watch case colourDiffers	Black, Stainless steel	Black
Watch case materialDiffers	Polymer, Stainless steel	Stainless steel
Band colourDiffers	Orange	Black
Band materialDiffers	Silicone	Fluoroelastomer
ShapeDiffers	Round	Square
Wrist size rangeKnown for one	145 - 210 mm	Unknown — not stated by the source
Buckle colourKnown for one	Black	Unknown — not stated by the source
Band colour nameKnown for one	Lava	Unknown — not stated by the source
Closure typeDiffers	Single prong strap buckle	Double prong strap buckle
Magnetic charging connector	Yes	Yes
Protection featuresDiffers	Freeze resistant, Shock resistant	Water resistant
Water resistanceDiffers	10 ATM	5 ATM
Waterproof up toKnown for one	100 m	Unknown — not stated by the source
Buckle materialKnown for one	Unknown — not stated by the source	Metal
Colour nameKnown for one	Unknown — not stated by the source	Black
Performanceidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Built-in speaker(s)Known for one	No	Unknown — not stated by the source
Built-in camera	No	No
Mobile operating systems supportedKnown for one	Android, iOS	Unknown — not stated by the source
Operating system installedKnown for one	Zepp OS	Unknown — not stated by the source
RAM capacityKnown for one	64 MB	Unknown — not stated by the source
Flash memoryKnown for one	32 GB	Unknown — not stated by the source
Featuresidentical
Heart rate monitor	Yes	Yes
Blood oxygen sensor	Yes	Yes
Accelerometer	Yes	Yes
GyroscopeKnown for one	Yes	Unknown — not stated by the source
Activity tracker	Yes	Yes
Multisport modeKnown for one	Yes	Unknown — not stated by the source
Personal goalsKnown for one	Yes	Unknown — not stated by the source
Quality of sleep	Yes	Yes
Activity monitoring	Yes	Yes
Alarm clockKnown for one	Yes	Unknown — not stated by the source
Ambient light sensor	Yes	Yes
CalendarKnown for one	Yes	Unknown — not stated by the source
Calendar notificationsKnown for one	Yes	Unknown — not stated by the source
Call notificationsKnown for one	Yes	Unknown — not stated by the source
Caller IDKnown for one	Yes	Unknown — not stated by the source
Find my phone functionKnown for one	Yes	Unknown — not stated by the source
Geomagnetic sensor	Yes	Yes
Music controlKnown for one	Yes	Unknown — not stated by the source
Recommended activityKnown for one	Climbing, Fishing, Hiking, Hunting, Skateboarding, Yoga	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
Stopwatch	Yes	Yes
Stress monitoring function	Yes	Yes
Timer	Yes	Yes
Weather displayKnown for one	Yes	Unknown — not stated by the source
BarometerKnown for one	Yes	Unknown — not stated by the source
ThermometerKnown for one	Yes	Unknown — not stated by the source
Vibrating alarm clockKnown for one	Yes	Unknown — not stated by the source
Heart rate sensor typeKnown for one	Unknown — not stated by the source	Optical
Vibrating motorKnown for one	Unknown — not stated by the source	Yes
Networkidentical
GPS (satellite)Known for one	Yes	Unknown — not stated by the source
Mobile network connectionKnown for one	Unknown — not stated by the source	No
Ports & interfaces1 differ
USB portKnown for one	No	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth versionDiffers	5.2	5.0
Bluetooth Low Energy (BLE)	Yes	Yes
Near Field Communication (NFC)Known for one	Yes	Unknown — not stated by the source
Headphone connectivityKnown for one	Bluetooth	Unknown — not stated by the source
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Power3 differ
Battery type	Built-in battery	Built-in battery
Battery life (max)Differs	648 h	168 h
Battery lifeDiffers	27 day(s)	7 day(s)
Battery life (GPS mode)Known for one	42 h	Unknown — not stated by the source
Battery life (power save mode)Known for one	960 h	Unknown — not stated by the source
Charging timeDiffers	3 h	2 h
Battery1 differ
Battery capacityDiffers	700 mAh	188 mAh
Battery technologyKnown for one	Unknown — not stated by the source	Lithium Polymer (LiPo)
Weight & dimensions5 differ
WidthDiffers	48.5 mm	42 mm
DepthDiffers	48.5 mm	42 mm
ThicknessDiffers	1.38 cm	9 mm
WeightDiffers	68.3 g	36 g
Band widthDiffers	2.2 cm	2 cm
Packaging contentidentical
Charging baseKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Android 5.0 +, IOS 10.0 +

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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