Fitbit Blaze vs. Fitbit Flex 2 vs. Amazfit T-Rex vs. Garmin VivoActive 4 vs. HTC re Grip

 
Blaze
Flex 2
T-Rex
VivoActive 4
re Grip
 FitbitBlazeRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$100$140$349$199
Release20162016201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days20 days8 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a360 x 360260 x 260160 x 32
Sizen/an/a1.3 inches1.3ionches1.8 inches
Touchn/a
TypeLCDLEDAMOLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-inWear OSNA
Apps
Music

All Wearables