Polar V800 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Apple Watch 8
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| PolarV800Remove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now | AmazfitT-RexRemove Buy Now | AppleWatch 8Remove Buy Now |
Basic Info | |||||
| Suggested Price | $470 | $350 | $350 | $140 | $499 |
| Release | 2014 | 2018 | 2018 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | n/a | ||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 13 hours to 30 days | 24 hours | 24 hours | 20 days | 18 hrs |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | ||||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 453 x 454 | 453x454 | 360 x 360 | 340 x 272 or 390 x 312 |
| Size | n/a | 1.39 inches | 1.39 inches | 1.3 inches | 1.5 inches or 1.65 inches |
| Touch | |||||
| Type | n/a | AMOLED | AMOLED | AMOLED | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 1 ATM | 1 ATM | 5 ATM | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Android Wear | Android Wear | Build-in | WatchOS 9 |
| Apps | |||||
| Music | |||||