Fitbit Flex 2 vs. Microsoft Band 2 vs. Apple Watch Series 2 vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Flex 2
Band 2
Watch Series 2
Vivofit 4
T-Rex
 FitbitFlex 2Remove Buy NowMicrosoftBand 2Remove Buy NowAppleWatch Series 2Remove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$250$269$79.95$140
Release20162015201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)18 hours1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128340 x 272 or 390 x 31288 x 88360 x 360
Sizen/a1.36 inches1.5 inches or 1.65 inchesNA1.3 inches
Touchn/a
TypeLEDCapacitative TFTAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSBuild-in
Apps
Music

All Wearables