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Compare Apple Watch Series 3 vs Fitbit Flex 2 vs Apple Watch Series 4 |
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| Smartwatch | Fitness Tracker | Smartwatch | |
| Release / Update | 2017 | 2016 | 2018 |
| Suggested Price | $279 | $100 | $399 |
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Activity & Fitness |
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| Calories | |||
| Cycling (Bicycling) | |||
| Distance | |||
| Heart | |||
| VO2max (Oxygen) | |||
| Sleep | |||
| Steps | |||
| Swim | |||
Battery |
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| Duration | 18 hours | 5 days | 18 hours |
| Charging | Wireless charging | Rechargeable | Wireless charging |
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Compatibility |
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| Android | |||
| iOS | |||
| Windows Phone | |||
| Mac | |||
| Windows | |||
Connectivity |
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| Bluetooth | |||
| Cellular | |||
| GPS | |||
| NFC | |||
| Wi-Fi | |||
Display |
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| Color | |||
| Resolution | 38mm: 340x272 42mm: 390x312 |
N/A | 40mm: 324x394 44mm: 368x448 |
| Size | 1.5" 1.65" |
N/A | 759 sq mm display area 977 sq mm display area |
| Touch | |||
| Type | AMOLED | LED | OLED Retina display with Force Touch, 1000 nits brightness |
Functions |
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| Audio Speaker | |||
| Clock | |||
| Phone | |||
| Vibration | |||
| Voice | |||
| Camera | |||
Hardware |
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| Accelerometer | |||
| Barometer or Altimeter | |||
| Ultraviolet Sensor | |||
| Water Resistance | 5ATM (50 metres) | 5ATM (50 metres) | 5ATM (50 metres) |
Notifications |
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| Phone | |||
| Emails | |||
| Texts | |||
Software |
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| Operating System | watchOS 4.0, upgradable to 5.2.1 | N/A | watchOS 5.0, upgradable to 5.2.1 |
| Apps | |||
| Music | |||
More Info & Buy |
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| Storage | 16GB, 768 MB RAM |
16GB |
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| Extra | Colors: Space Black, Silver Build: Stainless Steel/Ceramic back 3D Touch display Bluetooth 4.2 |
Colors: Space Black, Silver, Gold Build: Stainless Steel frame; all-ceramic/sapphire crystal back Bluetooth 5.0; Requires an iPhone 6 or later with iOS 12 or later; Water resistance: Apple Watch 4 should not be used for scuba diving, waterskiing, or other activities involving high-velocity water or submersion below shallow depth. |
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| Pros | Apple Watch Series 3 Pros + Adds barometer to GPS and swimproofing |
Fitbit Flex 2 Pros |
Apple Watch Series 4 Pros + Larger display + Lightweight design |
| Cons | Apple Watch Series 3 Cons - Battery life takes a major hit when making calls or during GPS workouts |
Fitbit Flex 2 Cons |
Apple Watch Series 4 Cons - No always-on display option - Battery isn't amazing - Still pricey |
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