Fitbit Alta vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. HTC re Grip

 
Alta
Watch Series 2
645 Music
Alta HR
re Grip
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$269$450$150$199
Release20162016201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240128 x 36160 x 32
Sizen/a1.5 inches or 1.65 inches1.2 inches1.4 inches1.8 inches
Touchn/a
TypeOLEDAMOLEDMIPOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables