Samsung Gear S vs. Fitbit Flex 2 vs. Withings Pulse Ox vs. Amazfit T-Rex
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| SamsungGear SRemove Buy Now | FitbitFlex 2Remove Buy Now | WithingsPulse OxRemove Buy Now | AmazfitT-RexRemove Buy Now |
Basic Info | ||||
| Suggested Price | $250 | $100 | $120 | $140 |
| Release | 2013 | 2016 | 2014 | 2019 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | n/a | 5 days | 2 weeks | 20 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | n/a | |
| Mac | n/a | n/a | ||
| Windows | n/a | n/a | ||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | n/a | blue | ||
| Resolution | 480 x 360 | n/a | 128 x 32 | 360 x 360 |
| Size | 2 inches | n/a | n/a | 1.3 inches |
| Touch | n/a | Swipe | ||
| Type | Super AMOLED | LED | OLED | AMOLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | IP67 | 5 ATM | 5 ATM | |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Tizen | n/a | n/a | Build-in |
| Apps | ||||
| Music | ||||