Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Amazfit T-Rex vs. Garmin VivoActive 4 vs. Apple Watch Ultra
FitbitFlex 2Remove Buy Now | CasioG-Shock GBA800Remove Buy Now | AmazfitT-RexRemove Buy Now | GarminVivoActive 4Remove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
Suggested Price | $100 | $120 | $140 | $349 | $799 |
Release | 2016 | 2018 | 2019 | 2019 | 2022 |
Activity & Fitness | |||||
Calories | |||||
Cycling (Bicycling) | |||||
Distance | |||||
Heart | |||||
Oxygen | |||||
Sleep | |||||
Steps | |||||
Swim | |||||
Battery | |||||
Duration | 5 days | 2 years | 20 days | 8 days | 36 hrs |
Rechargeable | |||||
Compatibility | |||||
Android | |||||
iOS | |||||
Windows Phone | n/a | ||||
Mac | |||||
Windows | |||||
Connectivity | |||||
Bluetooth | |||||
Cellular | |||||
GPS | |||||
NFC | |||||
Wi-Fi | |||||
Display | |||||
Color | n/a | ||||
Resolution | n/a | 360 x 360 | 260 x 260 | 502x410 pixels | |
Size | n/a | 1.3 inches | 1.3ionches | 1.92 inches | |
Touch | n/a | ||||
Type | LED | AMOLED | MIP | ||
Functions | |||||
Audio Speaker | |||||
Clock | LTPO OLED Retina | ||||
Phone | |||||
Vibration | |||||
Voice | |||||
Hardware | |||||
Accelerometer | |||||
Barometer or Altimeter | |||||
Ultraviolet Sensor | |||||
Water Resistance | 5 ATM | 20 ATM | 5 ATM | 5 ATM | 10 ATM (100 Meters) |
Notifications | |||||
Phone | |||||
Emails | |||||
Texts | |||||
Software | |||||
Operating System | n/a | Build-in | Wear OS | WatchOS 9 | |
Apps | |||||
Music |