| Price | $399 | $399 | $319 | $219 | $399 | $199.00 |
| Product Announcement Date | Feb 20, 2014 | OCT 4, 2011 | APR 29, 2013 | APR 29, 2013 | July 10th, 2014 | APR 17, 2013 |
| Actual Availability/Shipping Date | March 2014 | JAN-APR 2012 | May 2013 | May 2013 | Sept 2014 | JUL 24, 2013 |
| GPS Recording Functionality | Yes | Yes | Yes | Yes | Yes | Yes |
| Data Transfer | USB/Bluetooth Smart | ANT+ Wireless | USB | USB | USB & Bluetooth Smart | USB/Bluetooth Smart |
| Waterproofing | Yes - 50m | Yes - 50m | Yes - 100m | Yes - 50m | Yes - 50m | ATM5 (50m roughly) |
| Battery Life (GPS) | 50 Hours | 20 Hours | 50 hours | 25 hours | 25 hours | 10hrs |
| Recording Interval | 1S to Variable | 1s or Smart | Variable | Variable | Variable | 1-second |
| Alerts | Vibrate/Sound/Visual | Vibrate/Sound/Visual | Sound/Visual | Sound/Visual | Sound/Visual | Vibrate/Sound/Visual |
| Ability to download custom apps to unit/device | No | No | Yes | Yes | Yes | No |
Music | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Can control phone music | | | | | No | |
| Has offline music storage and playback | | | | | No | |
Connectivity | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Bluetooth Smart to Phone Uploading | Yes | Via Wahoo Fitness Adapter | No | No | Yes | Yes |
| Phone Notifications to unit (i.e. texts/calls/etc...) | Yes | No | No | No | Yes | No |
| Live Tracking (streaming location to website) | Yes | No | No | No | No | No |
| Emergency/SOS Message Notification (from watch to contacts) | No | No | No | No | No | No |
| Built-in cellular chip (no phone required) | No | No | No | No | No | No |
Cycling | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Designed for cycling | Yes | Yes | Yes | Yes | Yes | Yes |
| Power Meter Capable | Yes | Yes | Yes | Yes | Yes | No |
| Power Meter Configuration/Calibration Options | Yes | Yes | Yes | Yes | Yes | N/A |
| Power Meter TSS/NP/IF | Yes | Yes | No | No | No | N/A |
| Speed/Cadence Sensor Capable | Yes | Yes | Yes | Yes | Yes | Yes |
| Strava segments live on device | | | | | No | |
Running | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Designed for running | Yes | Yes | Yes | Yes | Yes | Yes |
| Footpod Capable (For treadmills) | Yes | Yes | Yes (internal accelerometer) | Yes (internal accelerometer) | Yes (internal accelerometer) | Internal accelerometer |
| Running Dynamics (vertical oscillation, ground contact time, etc...) | Yes | No | No | No | No (but does work with Stryd for running power) | No |
| VO2Max Estimation | Yes | No | Yes | Yes | Yes | No |
| Race Predictor | Yes | No | No | No | No | No |
| Recovery Advisor | Yes | No | Yes | Yes | YEs | No |
| Run/Walk Mode | Yes (Added June 13th, 2014) | Yes | No | No | no | No |
Swimming | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Designed for swimming | Yes | Yes | Yes | Yes | Yes | Yes |
| Openwater swimming mode | Yes | Yes | Yes | Yes | Yes | No (Swimcap only |
| Lap/Indoor Distance Tracking | Yes | Yes | Yes | Yes | Yes | Yes |
| Record HR underwater | No | No | No | No | Yes | No |
| Openwater Metrics (Stroke/etc.) | Yes | Yes | Yes | Yes | Yes | No |
| Indoor Metrics (Stroke/etc.) | Yes | Yes | Yes | Yes | Yes | Yes |
| Indoor Drill Mode | Yes | No | Yes | Yes | Yes | No |
| Indoor auto-pause feature | No | No | No | No | No | No |
| Change pool size | Yes | Yes | Yes | Yes | Yes | Yes |
| Indoor Min/Max Pool Lengths | 18m/20y to 150y/m | 20m/22y to 100y/m | 15m/y to 1,200m/y | 15m/y to 1,200m/y | 15m/y to 1,200m/y | 15m-50m |
| Ability to customize data fields | Yes | Yes | Yes | Yes | Yes | Yes |
| Captures per length data - indoors | Yes | Yes | Yes | Yes | Yes | Yes |
| Indoor Alerts | Yes | Yes | No | No | No | Goals only |
Triathlon | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Designed for triathlon | Yes | Yes | Yes | Yes | Yes | Yes |
| Multisport mode | Yes | Yes | Yes | Yes | Yes | No |
Workouts | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Create/Follow custom workouts | Yes | Yes | No | No | Barely with 3rd party apps | No |
| On-unit interval Feature | Yes | Yes | Barely | Barely | Barely | Yes (as of Oct 17th, 2013) |
| Training Calendar Functionality | Yes (Added June 13th, 2014) | Yes | No | No | No | No |
Functions | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Auto Start/Stop | Yes | Yes | Yes | Yes | Yes | No |
| Virtual Partner Feature | Yes | Yes | No | No | No | Yes |
| Virtual Racer Feature | No | Yes | No | No | No | Yes |
| Records PR's - Personal Records (diff than history) | No | No | No | No | No | iOS (Android Sept 2014) |
| Tidal Tables (Tide Information) | No | No | No | No | No | No |
| Weather Display (live data) | No | No | No | No | No | No |
Navigate | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Follow GPS Track (Courses/Waypoints) | Yes | Yes | Yes | Yes | Yes | No |
| Markers/Waypoint Direction | Yes | No | Yes | Yes | Yes | No |
| Offline Maps | No | No | No | No | No | No |
| Back to start | Yes | Yes | Yes (added Aug 30, 2013) | Yes (added Aug 30, 2013) | Yes | No |
| Impromptu Round Trip Route Creation | No | No | No | No | No | No |
| Download courses/routes from phone to unit | Yes | No | No | No | Download pre-created only | No |
Sensors | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Altimeter Type | Barometric | Barometric | Barometric, GPS (FusedAlti) | GPS | GPS | GPS (Barometric for Performance Bundle) |
| Compass Type | Magnetic | GPS | Magnetic | Magnetic | Magnetic | None |
| Optical Heart Rate Sensor internally | | | | | No | |
| Heart Rate Strap Compatible | Yes | Yes | Yes | Yes | Yes | Yes |
| ANT+ Heart Rate Strap Capable | Yes | Yes | Yes | Yes | No | No |
| ANT+ Speed/Cadence Capable | Yes | Yes | Yes | Yes | No | No |
| ANT+ Footpod Capable | Yes | Yes | Yes | Yes | No | No, has internal accelerometer |
| ANT+ Power Meter Capable | Yes | Yes | Yes | Yes | No | No |
| ANT+ Lighting Control | | | | | No | |
| ANT+ Bike Radar Integration | | | | | No | |
| ANT+ Trainer Control (FE-C) | | | | | No | |
| ANT+ Remote Control | No (can control VIRB though) | No | No | No | No | No |
| ANT+ eBike Compatibility | No | No | No | No | No | No |
| ANT+ Gear Shifting (i.e. SRAM ETAP) | | | | | No | |
| Shimano Di2 Shifting | No | No | No | No | No | |
| Bluetooth Smart HR Strap Capable | No | No | No | No | Yes | Yes |
| Bluetooth Smart Speed/Cadence Capable | No | No | No | No | Yes | Yes |
| Bluetooth Smart Footpod Capable | No | No | No | No | Yes | No, has internal accelerometer |
| Bluetooth Smart Power Meter Capable | No | No | No | No | Yes | No |
| Temp Recording (internal sensor) | Yes | No | Yes | No | No | No |
| Temp Recording (external sensor) | Yes | No | No | No | No | No |
Software | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Desktop Application | Garmin Express | GTC/ANT Agent | Moveslink Agent | Moveslink Agent | Moveslink Agent | MySports Connect |
| Web Application | Garmin Connect | Garmin Connect | Movescount | Movescount | Movescount | TomTom MySports |
| Phone App | iOS/Android | iOS/Android | Suunto Movescount | Movescount | iOS/Android | No |
| Ability to Export Settings | No | No | Yes (online) | Yes (online) | Yes (online) | No |
Purchase | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Amazon | Link | Link | Link | Link | Link | Link |
DCRainmaker | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 910XT | Suunto Ambit2 | Suunto Ambit2 S | Suunto Ambit3 Sport | TomTom Multisport | | Review Link | Link | Link | Link | Link | Link | Link |