Fitbit Alta vs. Fitbit Charge 2 vs. Garmin Forerunner 935 vs. Amazfit GTR vs. HTC re Grip

 
Alta
Charge 2
Forerunner 935
GTR
re Grip
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowGarminForerunner 935Remove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$150$500$199$199
Release20162016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysUp to 2 weeks24 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240454 x 454160 x 32
Sizen/an/a1.2 inches1.39 inches1.8 inches
Touchn/an/a
TypeOLEDOLEDLCDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aBuild-inNA
Apps
Music

All Wearables