Polar M600 vs. Huawei Talkband B2 vs. Microsoft Band 2 vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
M600
Talkband B2
Band 2
Vivofit 4
T-Rex
 PolarM600Remove Buy NowHuaweiTalkband B2Remove Buy NowMicrosoftBand 2Remove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$180$250$79.95$140
Release20162015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days3 days48 hours (without GPS)1 year20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128 x 88320 x 12888 x 88360 x 360
Size1.3 inches0.73 inches1.36 inchesNA1.3 inches
Touchn/a
TypeTFTPMOLEDCapacitative TFTNAAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP57IPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aBuild-in
Apps
Music

All Wearables