Image of a Watch Series 3
Image of a Watch Series 2
Image of a Vivoactive HR
Image of a Alta
Image of a Bip
 AppleWatch Series 3Remove Buy NowAppleWatch Series 2Remove Buy NowGarminVivoactive HRRemove Buy NowFitbitAltaRemove Buy NowAmazfitBipRemove Buy Now

Basic Info

Suggested Price$329$269$250$130$99.99
Release20172016201620162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hours13 hours to 8 days5 days30 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312148 x 205n/a176 x 176
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.38 inchesn/a1.28 inches
Touchn/a
TypeAMOLEDAMOLEDn/aOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM5 ATMn/aIP68

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4Watch OSn/an/a
Apps
Music

All Wearables