Samsung Gear S2 vs. Fitbit Charge 2 vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Amazfit GTR

 
Gear S2
Charge 2
Flex 2
Talkband B2
GTR
 SamsungGear S2Remove Buy NowFitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$150$100$180$199
Release20152016201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days5 days3 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/an/a128 x 88454 x 454
Size1.2 inchesn/an/a0.73 inches1.39 inches
Touchn/an/a
TypeSuper AMOLEDOLEDLEDPMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/an/aBuild-in
Apps
Music

All Wearables