OPPO Watch S vs Realme TechLife Watch S100 comparison

Compare OPPO Watch S
Compare Realme TechLife Watch S100
key specs
Strap ColourGreen, Black-
Compatible OSAndroid 10 and later, and iOS 14 and newerAndroid 5.0+, iOS 11+
Strap MaterialRubberSilicone
Dial ShapeRoundRectangle
Display TypeAMOLED-
Display Size-43mm
Ideal For-Unisex
general
BrandOPPORealme
ModelWatch STechLife Watch S100
Release dateOctober 16, 2025March 10, 2022
Model NameWatch S-
Dial ColourSilver, Black-
Dial ShapeRoundRectangle
Strap ColourGreen, Black-
Strap MaterialRubberSilicone
SizeLargeLarge
Touchscreen1.46-inch AMOLEDYes
Interchangeable StrapYesYes
Water Resistant5ATM + IP68IP68
Dial MaterialStainless Steel-
Water Resistance Depth-1.5 metres
Ideal For-Unisex
dimensions
Width44.98mm-
Height44.98mm-
Thickness8.9mm-
Weight (g)35.0034.00
product details
Sensoreight-channel optical heart rate sensor, 16-channel optical pulse oximeter sensor, ECG sensor, a wrist temperature sensor, accelerometer, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor,Heart Rate
Battery LifeUp to 10 days12 days
Charge Time90 minutes-
Charger TypeWirelessMagnetic
Compatible Device-Android, iPhone
Notification-Yes
Notification Type-Calls, messages, select apps
Rechargeable Battery-Yes
connectivity features
BluetoothYesYes
Bluetooth Version5.25.1
Wi-FiYesNo
GPSYesNo
Call Function-No
platform and storage features
Operating SystemColorOS Watch 7.1-
Compatible Operating SystemAndroid 10 and later, and iOS 14 and newerAndroid 5.0+, iOS 11+
Processor NameBES2800BP-
Internal Memory4GB EMMC-
camera and display features
Display Resolution464x464240x280
Display TypeAMOLED-
Display Size-43mm
Other Display Features-530 nits peak brightness, 218ppi pixel density
fitness and watch functions
Step CountYesYes
Calorie CountYes-
Heart Rate MonitorYesYes
AltimeterYes-
CompassYes-
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
Number of Buttons2-
Other Fitness Featuressleep tracking, sleep snoring assessment, sleep SpO2 level measurement, sleep quality score, sleep breathing rate monitoring24-hour heart rate monitoring, sleep monitoring, blood oxygen (SpO2), sedentary reminder, water reminder
Chronograph-Yes
ratings
Overall NDTV Rating-Read Review
Design and comfort Rating-
Tracking accuracy Rating-
Companion app Rating-
Software and ecosystem Rating-
Battery life Rating-

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