Polar M400 vs. Samsung Gear S vs. Amazfit Arc vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Michael Kors Grayson
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| PolarM400Remove Buy Now | SamsungGear SRemove Buy Now | AmazfitArcRemove Buy Now | Michael KorsGraysonRemove Buy Now | MotorolaMoto 360 (1st Gen)Remove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $200 | $250 | $69.99 | $350 | $150 | $350 |
| Release | 2014 | 2013 | 2016 | 2018 | 2014 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 8 hours to 30 days | n/a | 20 days | 24 hours | 1 day | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | n/a | NA | |||
| Mac | n/a | NA | ||||
| Windows | n/a | NA | ||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | n/a | 480 x 360 | 72 x40 | 453 x 454 | 320 x 260 | 453x454 |
| Size | n/a | 2 inches | 0.42 inches | 1.39 inches | 1.56 inches | 1.39 inches |
| Touch | ||||||
| Type | n/a | Super AMOLED | OLED | AMOLED | LCD | AMOLED |
Functions | ||||||
| Audio Speaker | Alerts only | |||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 3 ATM | IP67 | IP67 | 1 ATM | IP67 | 1 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Tizen | Android Wear | Android Wear | Android Wear | |
| Apps | ||||||
| Music | NA | |||||