Withings Activite Sapphire vs. Fitbit Charge 2 vs. Amazfit Bip vs. Apple Watch vs. Amazfit GTR

 
Activite Sapphire
Charge 2
Bip
Watch
GTR
 WithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy NowAmazfitBipRemove Buy NowAppleWatchRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$450$150$99.99$349$199
Release20142016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration8 months5 days30 days18 hours24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a176 x 176340 x 272 or 390 x 312454 x 454
Size1.3 inchesn/a1.28 inches1.5 inches or 1.65 inches1.39 inches
Touchn/a
TypeAnalogOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/aIP68IPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSBuild-in
Apps
Music

All Wearables