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Product comparison · 2 smartwatches

Amazfit T-Rex Ultra 2 vs Samsung Galaxy Watch8 SM-L320NDAAXSA smartwatch / sport watch

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  • 31specifications compared
  • 16differ
  • 15identical
  • 59known for one product only

Key differences

The Amazfit T-Rex Ultra 2 has 11 mm more watch case size than the Samsung Galaxy Watch8 SM-L320NDAAXSA smartwatch / sport watch (51 mm vs 40 mm). The Amazfit T-Rex Ultra 2 has 5 ATM more water resistance than the Samsung Galaxy Watch8 SM-L320NDAAXSA smartwatch / sport watch (10 ATM vs 5 ATM). The Samsung Galaxy Watch8 SM-L320NDAAXSA smartwatch / sport watch has 0.1 more Bluetooth version than the Amazfit T-Rex Ultra 2 (5.3 vs 5.2). Display resolution: 480 x 480 pixels on the Amazfit T-Rex Ultra 2, 438 x 438 pixels on the Samsung Galaxy Watch8 SM-L320NDAAXSA smartwatch / sport watch. Display diagonal: 129.5 cm (51") on the Amazfit T-Rex Ultra 2, 3.3 cm (1.3") on the Samsung Galaxy Watch8 SM-L320NDAAXSA smartwatch / sport watch.

  • Display resolution
    • 480 x 480 pixels
    • 438 x 438 pixels
  • Display diagonal
    • 129.5 cm (51")
    • 3.3 cm (1.3")
  • Market positioning
    • Sport watch
    • Smartwatch
  • Watch case size
    • 51 mm
    • 40 mm
  • Watch case colour
    • Titanium
    • Graphite
  • Band colour
    • Black, Brown
    • Graphite
  • Water resistance
    • 10 ATM
    • 5 ATM
  • Operating system installed
    • Zepp OS
    • Wear OS

Side by side

Differences highlightedShow differences only
90 specifications
A

Amazfit

T-Rex Ultra 2View product
B

Samsung

Galaxy Watch8 SM-L320NDAAXSA smartwatch / sport watch

Model SM-L320NDAAXSA

View product
Display2 differ
Display typeDigitalDigital
Display resolutionDiffers480 x 480 pixels438 x 438 pixels
TouchscreenKnown for oneYes
Display diagonalDiffers129.5 cm (51")3.3 cm (1.3")
Display technologyAMOLEDAMOLED
Display brightnessKnown for one3000 cd/m²
Pixel densityKnown for one322 ppi
Watch glass typeKnown for oneSapphire
BacklightKnown for oneYes
Display technology marketing nameKnown for oneSuper AMOLED
Display size (HxV)Known for one34 x 34 mm
Display number of coloursKnown for one16 million colours
Design6 differ
Market positioningDiffersSport watchSmartwatch
Watch case sizeDiffers51 mm40 mm
Watch case colourDiffersTitaniumGraphite
Watch case materialDiffersTitanium, Glass Fiber Reinforced Polymer (GFRP)Aluminium
Band colourDiffersBlack, BrownGraphite
Band materialKnown for oneSilicone
Band sizeKnown for oneOne Size
ShapeRoundRound
Wrist size rangeKnown for one145 - 215 mm
Magnetic charging connectorKnown for oneYes
Water resistanceDiffers10 ATM5 ATM
Waterproof up toKnown for one45 m
Closure typeKnown for oneSingle prong strap buckle
Performance2 differ
Built-in microphoneKnown for oneYes
Built-in speaker(s)Known for oneYes
Built-in cameraKnown for oneNo
Mobile operating systems supportedDiffersAndroid 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 26Android
Operating system installedDiffersZepp OSWear OS
RAM capacityKnown for one2000 MB
Flash memoryKnown for one32 GB
Featuresidentical
Heart rate monitorYesYes
Blood oxygen sensorKnown for oneYes
Sleep apnea detectionYesYes
AccelerometerYesYes
GyroscopeYesYes
Quality of sleepYesYes
Built-in speedometerKnown for oneYes
Alarm clockKnown for oneYes
Ambient light sensorYesYes
Barometric altimeterKnown for oneYes
Call notificationsKnown for oneYes
Electronic compassKnown for oneYes
Find my phone functionKnown for oneYes
Geomagnetic sensorYesYes
Interval trainingKnown for oneYes
Recommended activityKnown for oneRunning, 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
SMS notificationsKnown for oneYes
Skin temperature sensorYesYes
Smart notificationsKnown for oneYes
StopwatchKnown for oneYes
Stress monitoring functionYesYes
Sun & moon informationKnown for oneYes
Virtual pacer functionKnown for oneYes
Weather displayKnown for oneYes
World time functionKnown for oneYes
Heart rate sensor typeKnown for oneElectrical, Optical
Blood pressure monitorKnown for oneYes
SOS alert functionKnown for oneYes
Audio formats supportedKnown for one3GA, AAC, AMR, AWB, M4A, MP3, OGA, OGG, WAV
BarometerKnown for oneYes
Networkidentical
GPS (satellite)YesYes
Mobile network connectionKnown for oneNo
Mobile network generationKnown for oneNot supported
BeiDouKnown for oneYes
GLONASSKnown for oneYes
GalileoKnown for oneYes
Ports & interfaces1 differ
Wi-FiYesYes
Bluetooth versionDiffers5.25.3
Bluetooth Low Energy (BLE)Known for oneYes
Near Field Communication (NFC)YesYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothKnown for oneYes
Bluetooth profilesKnown for oneA2DP, AVRCP, HFP, HSP
Poweridentical
Battery typeKnown for oneBuilt-in battery
Battery lifeKnown for one30 day(s)
Battery life (GPS mode)Known for one177 h
Battery life (max)Known for one40 h
Battery1 differ
Battery capacityDiffers870 mAh325 mAh
Softwareidentical
Sports activity appsKnown for oneStrava, RunKeeper, TrainingPeaks
Other featuresidentical
Number of sports modesKnown for one187
Weight & dimensions4 differ
WidthDiffers51 mm40.4 mm
DepthDiffers51 mm42.7 mm
ThicknessDiffers1.43 cm8.6 mm
WeightDiffers89.2 g30 g
Packaging contentidentical
Charging baseKnown for oneYes
ManualKnown for oneYes
Processoridentical
Processor frequencyKnown for one1.5 MHz
Processor coresKnown for one5

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