Apple Watch Series 3 vs. Polar M400 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson
 | | | | | |
| AppleWatch Series 3Remove Buy Now | PolarM400Remove Buy Now | Michael KorsGraysonRemove Buy Now | PebbleCoreRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | |||||
| Suggested Price | $329 | $200 | $350 | $99 | $350 |
| Release | 2017 | 2014 | 2018 | 2016 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 18 hours | 8 hours to 30 days | 24 hours | NA | 24 hours |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | n/a | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 340 x 272 or 390 x 312 | n/a | 453 x 454 | NA | 453x454 |
| Size | 1.5 inches or 1.65 inches | n/a | 1.39 inches | NA | 1.39 inches |
| Touch | NA | ||||
| Type | AMOLED | n/a | AMOLED | NA | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 3 ATM | 1 ATM | NA | 1 ATM |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | WatchOS 4 | n/a | Android Wear | NA | Android Wear |
| Apps | |||||
| Music | |||||