Samsung Gear S2 vs. Fitbit Zip vs. Amazfit Stratos vs. Fitbit Charge HR vs. Apple SE
 | | | | | |
| SamsungGear S2Remove Buy Now | FitbitZipRemove Buy Now | AmazfitStratosRemove Buy Now | FitbitCharge HRRemove Buy Now | AppleSERemove Buy Now |
Basic Info | |||||
| Suggested Price | $300 | $60 | $199 | $150 | $279 |
| Release | 2015 | 2012 | 2018 | 2015 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2-3 days | 6 months | 5 days | 5 days | 18 hours |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | n/a | ||||
| GPS | n/a | ||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 360 x 360 | n/a | 320 x 300 | NA | 384 x 480 |
| Size | 1.2 inches | n/a | 1.34 inches | NA | 40mm |
| Touch | NA | ||||
| Type | Super AMOLED | n/a | OLED | OLED | MicroLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | Not yet | ||||
| Water Resistance | IP68 | Splash Resistant | 5 ATM | 1 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Tizen | n/a | Proprietary | NA | WatchOS 5 |
| Apps | |||||
| Music | |||||