Microsoft Band 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Fitbit Flex vs. HTC re Grip

 
Band 2
ZenWatch 3
645 Music
Flex
re Grip
 MicrosoftBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$250$229$450$100$199
Release20152017201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)48 hours7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Macn/aNA
Windowsn/aNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128400 x 400240 x 240NA160 x 32
Size1.36 inches1.39 inches1.2 inchesNA1.8 inches
TouchNA
TypeCapacitative TFTAMOLEDMIPLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NANA
Apps
Music

All Wearables