Oppo Watch Free vs Huami Amazfit Stratos 3 comparison

Compare Oppo Watch Free
Compare Huami Amazfit Stratos 3
key specs
Display Size41mm-
Compatible OSAndroid, iOS-
Strap MaterialSiliconeSilicone
Dial ShapeRectangleRound
Display TypeAMOLED-
Ideal ForUnisex-
general
BrandOppoHuami
ModelWatch FreeAmazfit Stratos 3
Release dateSeptember 26, 2021August 27, 2019
Dial ShapeRectangleRound
Strap MaterialSiliconeSilicone
SizeRegular-
TouchscreenYesYes
Interchangeable StrapYes-
Water ResistantYes5ATM
Water Resistance Depth5 ATM50 Meters
Dial MaterialPolycarbonate and FibreStainless Steel
Ideal ForUnisex-
Model Name-Stratos 3
Usage-For Sports
dimensions
Width29.7-
Height46-
Thickness10.613.4 mm
Weight (g)32.6040.40
Diameter-48.6mm
product details
Sensorsix-axis motion sensor, optical heart rate sensor, optical blood oxygen sensor, ambient light sensorBioTracker PPG Bio-Tracking optical sensor, 6-axis acceleration sensor, 3-axis geomagnetic sensor, Air pressure sensor
Compatible DeviceAndroid, iPhoneAndroid 5.0 or iOS 10.0 and above
NotificationYesYes
Battery TypeLi-ionLithium-ion polymer battery
Battery Life14 days7 days in smart mode
Charge Time75 minutes2.5 hours
Rechargeable BatteryYes-
Notification Type-Calls, Messages, App Alerts
connectivity features
Call FunctionYes-
BluetoothBluetoothYes
Bluetooth Version5.05.0
Messaging SupportYes-
Email SupportYes-
Operating Range10m-
Call FeaturesYes-
Wi-Fi-Yes
GPS-Yes
platform and storage features
Compatible Operating SystemAndroid, iOS-
Operating System-Amazfit OS
Number of Cores-dual-core
RAM-512MB
Processor Speed-1200
Internal Memory-2GB
camera and display features
Display Resolution280x456320x320
Display Size41mm-
Display TypeAMOLED-
Backlight DisplayYes-
Scratch ResistantYes-
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
AltimeterYes-
LanguageEnglish-
Other Fitness Features100 sports modes80 Sports Modes
Alarm Clock-Yes
Number of Buttons-4
audio and video features
Voice ControlYes-
Other Multimedia FeaturesMusic Controls-
Audio Features-Standalone Music Playback
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