Samsung Gear S2 vs. Polar M430 vs. Apple Watch vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson
SamsungGear S2Remove Buy Now | PolarM430Remove Buy Now | AppleWatchRemove Buy Now | CasioWSD-F20ARemove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
Suggested Price | $300 | $255 | $349 | $399 | $350 | $350 |
Release | 2015 | 2017 | 2015 | 2018 | 2018 | 2018 |
Activity & Fitness | ||||||
Calories | ||||||
Cycling (Bicycling) | ||||||
Distance | ||||||
Heart | ||||||
Oxygen | ||||||
Sleep | ||||||
Steps | ||||||
Swim | ||||||
Battery | ||||||
Duration | 2-3 days | 30 hours | 18 hours | 1 day | 24 hours | 24 hours |
Rechargeable | ||||||
Compatibility | ||||||
Android | ||||||
iOS | ||||||
Windows Phone | n/a | NA | ||||
Mac | n/a | NA | ||||
Windows | n/a | NA | ||||
Connectivity | ||||||
Bluetooth | ||||||
Cellular | n/a | |||||
GPS | n/a | |||||
NFC | ||||||
Wi-Fi | ||||||
Display | ||||||
Color | ||||||
Resolution | 360 x 360 | 128x128 | 340 x 272 or 390 x 312 | 320 x 320 | 453 x 454 | 453x454 |
Size | 1.2 inches | 1.4 inch | 1.5 inches or 1.65 inches | 1.32 inches | 1.39 inches | 1.39 inches |
Touch | ||||||
Type | Super AMOLED | LCD | AMOLED | LCD | AMOLED | AMOLED |
Functions | ||||||
Audio Speaker | ||||||
Clock | ||||||
Phone | ||||||
Vibration | ||||||
Voice | ||||||
Hardware | ||||||
Accelerometer | ||||||
Barometer or Altimeter | ||||||
Ultraviolet Sensor | ||||||
Water Resistance | IP68 | WR30 | IPX7 | 5 ATM | 1 ATM | 1 ATM |
Notifications | ||||||
Phone | ||||||
Emails | ||||||
Texts | ||||||
Software | ||||||
Operating System | Tizen | Watch OS | Wear OS | Android Wear | Android Wear | |
Apps | ||||||
Music |