Polar M400 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson vs. HTC re Grip vs. Apple Watch Ultra
PolarM400Remove Buy Now | Michael KorsGraysonRemove Buy Now | PolarLoopRemove Buy Now | Michael KorsGraysonRemove Buy Now | HTCre GripRemove Buy Now | AppleWatch UltraRemove Buy Now |
Basic Info | ||||||
Suggested Price | $200 | $350 | $100 | $350 | $199 | $799 |
Release | 2014 | 2018 | 2013 | 2018 | 2020 | 2022 |
Activity & Fitness | ||||||
Calories | ||||||
Cycling (Bicycling) | ||||||
Distance | ||||||
Heart | n/a | |||||
Oxygen | ||||||
Sleep | ||||||
Steps | ||||||
Swim | ||||||
Battery | ||||||
Duration | 8 hours to 30 days | 24 hours | 5 days | 24 hours | 5 hours to 2.5 days | 36 hrs |
Rechargeable | ||||||
Compatibility | ||||||
Android | ||||||
iOS | ||||||
Windows Phone | n/a | NA | NA | |||
Mac | NA | NA | ||||
Windows | NA | NA | ||||
Connectivity | ||||||
Bluetooth | ||||||
Cellular | ||||||
GPS | ||||||
NFC | ||||||
Wi-Fi | ||||||
Display | ||||||
Color | ||||||
Resolution | n/a | 453 x 454 | NA | 453x454 | 160 x 32 | 502x410 pixels |
Size | n/a | 1.39 inches | NA | 1.39 inches | 1.8 inches | 1.92 inches |
Touch | ||||||
Type | n/a | AMOLED | LED | AMOLED | PMOLED | |
Functions | ||||||
Audio Speaker | Alerts only | |||||
Clock | LTPO OLED Retina | |||||
Phone | ||||||
Vibration | ||||||
Voice | ||||||
Hardware | ||||||
Accelerometer | ||||||
Barometer or Altimeter | ||||||
Ultraviolet Sensor | ||||||
Water Resistance | 3 ATM | 1 ATM | 2 ATM | 1 ATM | IP57 | 10 ATM (100 Meters) |
Notifications | ||||||
Phone | ||||||
Emails | ||||||
Texts | ||||||
Software | ||||||
Operating System | n/a | Android Wear | NA | Android Wear | NA | WatchOS 9 |
Apps | ||||||
Music |