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Product comparison · 2 smartwatches

Amazfit T-Rex 3 Pro vs Samsung Galaxy Watch 8, Bluetooth, 40mm, Sport Band, Graphite, S/M + Fabric Band, Mint, S/M

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  • 23specifications compared
  • 10differ
  • 13identical
  • 52known for one product only

Key differences

  • Display resolution
    • 480 x 480 pixels
    • 438 x 438 pixels
  • Display diagonal
    • 3.81 cm (1.5")
    • 3.3 cm (1.3")
  • Display brightness
    • 3000 cd/m²
    • 600 cd/m²
  • Pixel density
    • 322 ppi
    • 327 ppi
  • Watch case size
    • 48 mm
    • 40 mm
  • Watch case colour
    • Black
    • Graphite
  • Watch case material
    • Polymer, Titanium
    • Aluminium
  • Water resistance
    • 10 ATM
    • 5 ATM

Side by side

Differences highlightedShow differences only
75 specifications
A

Amazfit

T-Rex 3 ProView product
B

Samsung

Galaxy Watch 8, Bluetooth, 40mm, Sport Band, Graphite, S/M + Fabric Band, Mint, S/MView product
Display4 differ
Display typeDigitalDigital
Display resolutionDiffers480 x 480 pixels438 x 438 pixels
TouchscreenYesYes
Display diagonalDiffers3.81 cm (1.5")3.3 cm (1.3")
Display technologyAMOLEDAMOLED
Display technology marketing nameKnown for oneSuper AMOLED
Display brightnessDiffers3000 cd/m²600 cd/m²
Pixel densityDiffers322 ppi327 ppi
Always-on displayKnown for oneYes
Colour displayKnown for oneYes
Display number of coloursKnown for one16 million colours
Processoridentical
Processor manufacturerKnown for oneSamsung
Processor modelKnown for oneExynos W1000
Processor coresKnown for one5
Design4 differ
Market positioningSmartwatchSmartwatch
Watch case sizeDiffers48 mm40 mm
Watch case colourDiffersBlackGraphite
Watch case materialDiffersPolymer, TitaniumAluminium
ShapeRoundRound
Back materialKnown for oneSapphire glass
International Protection (IP) codeKnown for oneIP68
Water resistanceDiffers10 ATM5 ATM
Band colourKnown for oneBlack
Band materialKnown for oneSilicone
Lens materialKnown for oneSapphire
Protection featuresKnown for oneWater resistant
Waterproof up toKnown for one45 m
Performanceidentical
Built-in microphoneYesYes
Built-in speaker(s)YesYes
Built-in cameraKnown for oneNo
FM radioKnown for oneNo
Mobile operating systems supportedKnown for oneAndroid
Operating system installedKnown for oneWear OS
RAM capacityKnown for one2000 MB
Flash memoryKnown for one32 GB
Fall detectionKnown for oneYes
Featuresidentical
Heart rate monitorKnown for oneYes
Heart rate sensor typeKnown for oneOptical
Blood pressure monitorKnown for oneYes
Sleep apnea detectionKnown for oneYes
AccelerometerKnown for oneYes
GyroscopeKnown for oneYes
Activity trackerKnown for oneYes
Quality of sleepYesYes
SOS alert functionYesYes
Audio formats supportedKnown for one3GA, AAC, AMR, AWB, M4A, MP3, OGA, OGG, WAV
CalendarKnown for oneYes
Geomagnetic sensorKnown for oneYes
Stress monitoring functionKnown for oneYes
Virtual assistantKnown for oneSamsung Bixby
BarometerKnown for oneYes
Military standardKnown for oneMIL-STD-810H
Networkidentical
GPS (satellite)YesYes
BeiDouKnown for oneYes
GLONASSKnown for oneYes
GalileoKnown for oneYes
Ports & interfacesidentical
USB portKnown for oneNo
Wi-FiYesYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothYesYes
Bluetooth versionKnown for one5.3
Bluetooth profilesKnown for oneA2DP, AVRCP, HFP, HSP
Near Field Communication (NFC)Known for oneYes
Poweridentical
Battery typeBuilt-in batteryBuilt-in battery
Battery life (max)Known for one40 h
Wireless chargingKnown for oneYes
Charging timeKnown for one1.3 h
Battery lifeKnown for one27 day(s)
Battery1 differ
Battery capacityDiffers700 mAh435 mAh
Softwareidentical
Sports activity appsKnown for oneSamsung Health
Weight & dimensions1 differ
WidthKnown for one40.4 mm
DepthKnown for one42.7 mm
ThicknessKnown for one8.6 mm
WeightDiffers52 g30 g
Dimensions (WxDxH)Known for one48 x 48 x 14 mm

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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