Huawei Watch 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivosmart 3 vs. HTC re Grip

 
Watch 2
645 Music
Flex
Vivosmart 3
re Grip
 HuaweiWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$350$450$100$139.99$199
Release20172018201320172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours7 days5 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 480240 x 240NA64 x 128160 x 32
Size1.38 inches1.2 inchesNANA1.8 inches
TouchNA
TypeP-OLEDMIPLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NANA
Apps
Music

All Wearables