Basic Info |
| Wear Type | Wristband | Wristband | |
| Price | $21331 | $57999 | Fitbit Flex 2 is 2.7x cheaper |
| Ratings | | | |
Activity & Fitness |
| Activity | Yes | Yes | Both track daily activity |
| Calories | Yes | Yes | Both show estimated calories burned |
| Sleep | Yes | Yes | Both track sleep pattern |
| Heart Rate / Pulse | No | Yes | Garmin Fenix 3 HR has the heart rate monitoring sensor |
| Distance | Yes | Yes | Both track your stride length |
| Steps | Yes | Yes | Both track and count your steps |
| Stairs / Floors | No | Yes | Garmin Fenix 3 HR has built-in altimeter for elevation feature |
| Exercise Tagging | No | Yes | Only Garmin Fenix 3 HR provides exercise tagging |
| Smart Coach | No | No | Both don't have coaching feature |
| Goal Setting | Yes | Yes | Both can help with your goals setting |
| Inactivity Alert | Yes | n/a | Fitbit Flex 2 helps you stay active with inactivity alert |
Additional Features |
| GPS | No | Yes | Garmin Fenix 3 HR has GPS support |
| Compass | No | n/a | Both don't have a compass |
| Watch / Clock | Yes | Yes | Both have watch |
| Alarm Clock | Yes | Yes | Both have alarm clock |
| Reminders | Yes | No | Fitbit Flex 2 has a reminder option |
| Stopwatch | No | Yes | Garmin Fenix 3 HR has a stopwatch |
| Music Playback | No | n/a | Both don't have music playback |
| Reports | Activity, Sleep | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | Yes | Yes | Both show smartphone notifications |
| Caller ID | No | Yes | Garmin Fenix 3 HR can notify you who is calling |
| Music Control | No | Yes | Garmin Fenix 3 HR allows control smartphone music player |
| Call Control | No | n/a | Both don't have call control |
| Camera Control | No | n/a | Both don't have camera control |
| Find Phone | No | n/a | Both don't have a find phone feature |
Battery |
| Duration | 5 days | 14 days | Garmin Fenix 3 HR battery life is about 2.8 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | Yes | Yes | |
| IP Rating | 5 ATM | n/a | |
| Weight | 24 grams | 86 grams | Fitbit Flex 2 is 62.0 g lighter |
User Interface |
| Display | LED Lights | LCD Screen | |
| Display Size | n/a | n/a | |
| Screen Resolution |
n/a
|
n/a
| |
| Color Display | No | n/a | |
| Touch Screen | No | n/a | |
Compatibility |
| Android | Yes | Yes | Both compatible with Android devices |
| iOS | Yes | Yes | Both compatible iOS devices |
| OS X/Mac | No | No | Both don't compatible MAC OS X devices |
| Windows Phone | Yes | Yes | Both compatible with Windows Phone devices |
| Windows | Yes | No | Fitbit Flex 2 allows you to locate your phone |
| Web Portal | No | Yes | Garmin Fenix 3 HR allows you upload and view data on the online portal |
| Social Features | No | n/a | Both don't have social features |
Connectivity |
| Bluetooth | Yes | Yes | Both have Bluetooth data transfer technology |
| Wi-Fi | No | Yes | Select Garmin Fenix 3 HR if you need a built-in Wi-Fi connectivity |
| NFC | No | No | Both don't have NFC connectivity |
| ANT+ | No | Yes | Only Garmin Fenix 3 HR has ANT+ wireless technology |
| Buy on Amazon | Buy on Amazon | |
