Samsung Gear S2 vs. Huawei Talkband B2 vs. Amazfit Arc vs. Fitbit Alta HR vs. Amazfit T-Rex

 
Gear S2
Talkband B2
Arc
Alta HR
T-Rex
 SamsungGear S2Remove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$180$69.99$150$140
Release20152015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days3 days20 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360128 x 8872 x40128 x 36360 x 360
Size1.2 inches0.73 inches0.42 inches1.4 inches1.3 inches
Touch
TypeSuper AMOLEDPMOLEDOLEDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP57IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aBuild-in
Apps
Music

All Wearables