Fitbit Flex 2 vs. Fossil Q Dreamer vs. Apple Watch Series 2 vs. Fitbit Alta HR vs. Amazfit T-Rex

 
Flex 2
Q Dreamer
Watch Series 2
Alta HR
T-Rex
 FitbitFlex 2Remove Buy NowFossilQ DreamerRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$125$269$150$140
Release20162015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days18 hours7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a340 x 272 or 390 x 312128 x 36360 x 360
Sizen/an/a1.5 inches or 1.65 inches1.4 inches1.3 inches
Touchn/an/a
TypeLEDn/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSBuild-in
Apps
Music

All Wearables