Apple Watch Series 2 vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Watch Series 2
Flex
Vivosmart 4
Watch Ultra
Sense 2
 AppleWatch Series 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$269$100$130$799$300
Release20162013201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days7 days36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312NA48 x 128502x410 pixels336x336
Size1.5 inches or 1.65 inchesNA0.74 inches1.92 inches1.59 inches
TouchNA
TypeAMOLEDLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM1 ATM5 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNAWatchOS 9
Apps
Music

All Wearables