Fitbit Alta vs. ASUS ZenWatch 3 vs. Casio G-Shock GBA800 vs. Amazfit T-Rex vs. Apple Watch Ultra
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| FitbitAltaRemove Buy Now | ASUSZenWatch 3Remove Buy Now | CasioG-Shock GBA800Remove Buy Now | AmazfitT-RexRemove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
| Suggested Price | $130 | $229 | $120 | $140 | $799 |
| Release | 2016 | 2017 | 2018 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 48 hours | 2 years | 20 days | 36 hrs |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | |||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | Yes | ||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 400 x 400 | 360 x 360 | 502x410 pixels | |
| Size | n/a | 1.39 inches | 1.3 inches | 1.92 inches | |
| Touch | n/a | ||||
| Type | OLED | AMOLED | AMOLED | ||
Functions | |||||
| Audio Speaker | |||||
| Clock | LTPO OLED Retina | ||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | n/a | 20 ATM | 5 ATM | 10 ATM (100 Meters) | |
Notifications | |||||
| Phone | |||||
| Emails | n/a | ||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Android Wear 2 | Build-in | WatchOS 9 | |
| Apps | |||||
| Music | |||||