Watch Series 2 Ionic Vivosmart WSD-F20A Fenix 5X
  Apple Watch Series 2 Remove Buy Now Fitbit Ionic Remove Buy Now Garmin Vivosmart Remove Buy Now Casio WSD-F20A Remove Buy Now Garmin Fenix 5X Remove Buy Now

Basic Info

Suggested Price $269 $299 $170 $399 $699
Release 2016 2017 2014 2018 2017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart n/a
Oxygen
Sleep
Steps
Swim

Battery

Duration 18 hours 4+ days 7 days 1 day Up to 12 days
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a
Mac n/a
Windows n/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution 340 x 272 or 390 x 312 348x250 128 x 16 320 x 320 240 x240
Size 1.5 inches or 1.65 inches 1.42 1.41 inches 1.32 inches 1.2 inches
Touch
Type AMOLED OLED OLED LCD NA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM 50m 5 ATM 5 ATM 10 ATM

Notifications

Phone
Emails
Texts

Software

Operating System Watch OS Fitbit OS n/a Wear OS
Apps
Music

All Wearables