Compare Apple Watch Series 3 vs Fitbit Flex 2 vs Garmin 645 Music
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Smartwatch |
Fitness Tracker |
Smartwatch |
Release / Update |
2017 |
2016 |
2018 |
Suggested Price |
$279 |
$100 |
$450 |
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Activity & Fitness
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Calories |
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Cycling (Bicycling) |
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Distance |
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Heart |
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VO2max (Oxygen) |
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Sleep |
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Steps |
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Swim |
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Battery
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Duration |
18 hours |
5 days |
7 days |
Charging |
Wireless charging |
Rechargeable |
Rechargeable |
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Compatibility
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Android |
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iOS |
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Windows Phone |
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Mac |
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Windows |
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Connectivity
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Bluetooth |
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Cellular |
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GPS |
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NFC |
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Wi-Fi |
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Display
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Color |
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Resolution |
38mm: 340x272
42mm: 390x312 |
N/A |
240x240 |
Size |
1.5" 1.65" |
N/A |
1.2" |
Touch |
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Type |
AMOLED |
LED |
MIP |
Functions
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Audio Speaker |
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Clock |
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Phone |
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Vibration |
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Voice |
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Camera |
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Hardware
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Accelerometer |
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Barometer or Altimeter |
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Ultraviolet Sensor |
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Water Resistance |
5ATM (50 metres) |
5ATM (50 metres) |
5ATM (50 metres) |
Notifications
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Phone |
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Emails |
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Texts |
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Software
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Operating System |
watchOS 4.0, upgradable to 5.2.1 |
N/A |
N/A |
Apps |
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Music |
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More Info & Buy
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Storage |
16GB, 768 MB RAM |
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Extra |
Colors: Space Black, Silver Build: Stainless Steel/Ceramic back 3D Touch display Bluetooth 4.2 |
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Pros |
Apple Watch Series 3 Pros + Adds barometer to GPS and swimproofing |
Fitbit Flex 2 Pros
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Garmin 645 Music Pros
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Cons |
Apple Watch Series 3 Cons - Battery life takes a major hit when making calls or during GPS workouts |
Fitbit Flex 2 Cons
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Garmin 645 Music Cons
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