Fitbit Flex vs. Xiaomi Mi Band 3 vs. Garmin Forerunner 45 vs. HTC re Grip vs. Fitbit Sense 2

 
Flex
Mi Band 3
Forerunner 45
re Grip
Sense 2
 FitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy NowGarminForerunner 45Remove Buy NowHTCre GripRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$44.95$199$199$300
Release20132018201920202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days7 days5 hours to 2.5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA128 x 80208 x 208160 x 32336x336
SizeNA0.78 inches1.04 inches1.8 inches1.59 inches
TouchNA
TypeLEDOLEDLCDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATM5 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuilt-inNA
Apps
Music

All Wearables