OPPO Watch S vs Fitbit Versa 4 comparison

Compare OPPO Watch S
Compare Fitbit Versa 4
key specs
Strap ColourGreen, Black-
Compatible OSAndroid 10 and later, and iOS 14 and newer-
Strap MaterialRubberRubber
Dial ShapeRoundSquare
Display TypeAMOLED-
Ideal For-Unisex
general
BrandOPPOFitbit
ModelWatch SVersa 4
Release dateOctober 16, 2025October 1, 2022
Model NameWatch SVersa 4
Dial ColourSilver, Black-
Dial ShapeRoundSquare
Strap ColourGreen, Black-
Strap MaterialRubberRubber
SizeLarge-
Touchscreen1.46-inch AMOLEDYes
Interchangeable StrapYesYes
Water Resistant5ATM + IP68Yes
Dial MaterialStainless SteelAluminium
Water Resistance Depth-50m
Usage-Health, Fitness, Notifications, Calls, Voice Assistant
Ideal For-Unisex
dimensions
Width44.98mm-
Height44.98mm-
Thickness8.9mm-
Weight (g)35.00-
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,Blood Oxygen Monitor, Heart Rate Monitor
Battery LifeUp to 10 days4 days
Charge Time90 minutes-
Charger TypeWireless-
Compatible Device-Android, iOS
Notification-Yes
Notification Type-Mirrored from smartphone, read-only
connectivity features
BluetoothYesYes
Bluetooth Version5.25
Wi-FiYes-
GPSYesYes
Call Function-Yes
Messaging Support-Yes
Third Party App Support-Yes
Call Features-Mute calls, Reject calls
Other Connectivity Features-Notifications
platform and storage features
Operating SystemColorOS Watch 7.1-
Compatible Operating SystemAndroid 10 and later, and iOS 14 and newer-
Processor NameBES2800BP-
Internal Memory4GB EMMC-
camera and display features
Display Resolution464x464-
Display TypeAMOLED-
fitness and watch functions
Step CountYesYes
Calorie CountYesYes
Heart Rate MonitorYesYes
AltimeterYesYes
CompassYesYes
CalendarYesYes
Alarm ClockYesYes
Date & Time DisplayYesYes
Number of Buttons21
Other Fitness Featuressleep tracking, sleep snoring assessment, sleep SpO2 level measurement, sleep quality score, sleep breathing rate monitoringSpO2 tracking
Language-English
ratings
Overall NDTV Rating-Read Review
Design and comfort Rating-
Tracking accuracy Rating-
Companion app Rating-
Software and ecosystem Rating-
Battery life Rating-
audio and video features
Speaker-Yes
Microphone-Yes
Voice Control-Yes

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