Polar M600 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Amazfit GTR vs. Apple Watch Ultra
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| PolarM600Remove Buy Now | CasioG-Shock GBA800Remove Buy Now | GarminForerunner 45Remove Buy Now | AmazfitGTRRemove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | |||||
| Suggested Price | $330 | $120 | $199 | $199 | $799 |
| Release | 2016 | 2018 | 2019 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2 days | 2 years | 7 days | 24 days | 36 hrs |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 240 x 240 | 208 x 208 | 454 x 454 | 502x410 pixels | |
| Size | 1.3 inches | 1.04 inches | 1.39 inches | 1.92 inches | |
| Touch | n/a | ||||
| Type | TFT | LCD | AMOLED | ||
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | LTPO OLED Retina | ||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IPX8 | 20 ATM | 5 ATM | 5 ATM | 10 ATM (100 Meters) |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Android Wear | Built-in | Build-in | WatchOS 9 | |
| Apps | |||||
| Music | |||||