Polar M400 vs. LG Watch Urbane vs. Michael Kors Grayson vs. Apple Watch Series 5 vs. Michael Kors Grayson vs. Amazfit T-Rex
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| PolarM400Remove Buy Now | LGWatch UrbaneRemove Buy Now | Michael KorsGraysonRemove Buy Now | AppleWatch Series 5Remove Buy Now | Michael KorsGraysonRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $245 | $350 | $329 | $350 | $140 |
| Release | 2014 | 2015 | 2018 | 2019 | 2018 | 2019 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | NA | |||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 8 hours to 30 days | NA | 24 hours | Not Yet | 24 hours | 20 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | NA | ||||
| Mac | NA | |||||
| Windows | NA | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | NA | |||||
Display | ||||||
| Color | ||||||
| Resolution | n/a | 320 x 320 | 453 x 454 | 384 x 480 | 453x454 | 360 x 360 |
| Size | n/a | 1.3 inches | 1.39 inches | 1.78 Inches | 1.39 inches | 1.3 inches |
| Touch | ||||||
| Type | n/a | P-OLED | AMOLED | MicroLED | AMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | Alerts only | |||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 3 ATM | IP67 | 1 ATM | Not Yet | 1 ATM | 5 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Android Wear | Android Wear | WatchOS 5 | Android Wear | Build-in |
| Apps | ||||||
| Music | ||||||