Polar Loop vs. Amazfit T-Rex vs. Apple SE
 | | | |
| PolarLoopRemove Buy Now | AmazfitT-RexRemove Buy Now | AppleSERemove Buy Now |
Basic Info | |||
| Suggested Price | $100 | $140 | $279 |
| Release | 2013 | 2019 | 2020 |
Activity & Fitness | |||
| Calories | |||
| Cycling (Bicycling) | |||
| Distance | |||
| Heart | |||
| Oxygen | |||
| Sleep | |||
| Steps | |||
| Swim | |||
Battery | |||
| Duration | 5 days | 20 days | 18 hours |
| Rechargeable | |||
Compatibility | |||
| Android | |||
| iOS | |||
| Windows Phone | NA | ||
| Mac | NA | ||
| Windows | NA | ||
Connectivity | |||
| Bluetooth | |||
| Cellular | |||
| GPS | |||
| NFC | |||
| Wi-Fi | |||
Display | |||
| Color | |||
| Resolution | NA | 360 x 360 | 384 x 480 |
| Size | NA | 1.3 inches | 40mm |
| Touch | |||
| Type | LED | AMOLED | MicroLED |
Functions | |||
| Audio Speaker | |||
| Clock | |||
| Phone | |||
| Vibration | |||
| Voice | |||
Hardware | |||
| Accelerometer | |||
| Barometer or Altimeter | |||
| Ultraviolet Sensor | Not yet | ||
| Water Resistance | 2 ATM | 5 ATM | |
Notifications | |||
| Phone | |||
| Emails | |||
| Texts | |||
Software | |||
| Operating System | NA | Build-in | WatchOS 5 |
| Apps | |||
| Music | |||