| Price | $299 (on sale) | $399 | $399 | $399 | $449 | $319 | $219 |
| Product Announcement Date | JUL 10, 2012 | Feb 20, 2014 | SEPT 16, 2013 | OCT 4, 2011 | Jan 6th, 2014 | APR 29, 2013 | APR 29, 2013 |
| Actual Availability/Shipping Date | AUG 2012 | March 2014 | OCT 31, 2013 | JAN-APR 2012 | May 2014 | May 2013 | May 2013 |
| GPS Recording Functionality | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Data Transfer | USB & Bluetooth Smart | USB/Bluetooth Smart | USB, WiFi, Bluetooth Smart | ANT+ Wireless | USB, BLUETOOTH SMART | USB | USB |
| Waterproofing | Yes - 50m | Yes - 50m | 50 meters | Yes - 50m | Yes - 30m | Yes - 100m | Yes - 50m |
| Battery Life (GPS) | 50 hours | 50 Hours | 10 hours | 20 Hours | Up to 50 hours | 50 hours | 25 hours |
| Recording Interval | 1s to variable | 1S to Variable | 1-second & Smart | 1s or Smart | 1s | Variable | Variable |
| Alerts | Vibrate/Sound/Visual | Vibrate/Sound/Visual | Audio/Visual/Vibrate | Vibrate/Sound/Visual | Vibrate/Sound/Visual | Sound/Visual | Sound/Visual |
| Backlight Greatness | Great | Great | Great | Great | Great | Great | Great |
| Ability to download custom apps to unit/device | No | No | No | No | No | Yes | Yes |
| Acts as daily activity monitor (steps, etc...) | No | No | No | No | Yes | No | No |
Music | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Can control phone music | | | | | No | | |
| Has music storage and playback | | | | | No | | |
| Streaming Services | | | | | No | | |
Payments | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Contactless-NFC Payments | | | | | No | | |
Connectivity | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Bluetooth Smart to Phone Uploading | Yes | Yes | Yes | Via Wahoo Fitness Adapter | Yes | No | No |
| Phone Notifications to unit (i.e. texts/calls/etc...) | Yes | Yes | No | No | Yes | No | No |
| Live Tracking (streaming location to website) | Yes (as of Feb 2014) | Yes | Yes | No | No | No | No |
| Group tracking | | | | | No | | |
| Emergency/SOS Message Notification (from watch to contacts) | No | No | No | No | No | No | No |
| Built-in cellular chip (no phone required) | No | No | No | No | No | No | No |
Cycling | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Designed for cycling | Yes | Yes | Barely (Speed mode only) | Yes | Yes | Yes | Yes |
| Power Meter Capable | No | Yes | No | Yes | Yes | Yes | Yes |
| Power Meter Configuration/Calibration Options | N/A | Yes | N/A | Yes | Yes | Yes | Yes |
| Power Meter TSS/NP/IF | N/A | Yes | N/A | Yes | NP | No | No |
| Speed/Cadence Sensor Capable | Yes (full support added Sept 2013) | Yes | Yes | Yes | Yes | Yes | Yes |
| Strava segments live on device | | | No | | Yes | | |
| Crash detection | | | | | No | | |
Running | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Designed for running | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Footpod Capable (For treadmills) | Yes | Yes | Yes (internal accelerometer) | Yes | Yes | Yes (internal accelerometer) | Yes (internal accelerometer) |
| Running Dynamics (vertical oscillation, ground contact time, etc...) | No | Yes | Yes | No | No | No | No |
| Running Power | | | | | With extra sensor | | |
| VO2Max Estimation | No | Yes | Yes | No | Yes | Yes | Yes |
| Race Predictor | No | Yes | Yes | No | Yes, via Race Pace | No | No |
| Recovery Advisor | No | Yes | Yes | No | Yes | Yes | Yes |
| Run/Walk Mode | No | Yes (Added June 13th, 2014) | Yes | Yes | Yes, via timers | No | No |
Swimming | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Designed for swimming | No | Yes | No (protected though just fine) | Yes | Yes | Yes | Yes |
| Openwater swimming mode | N/A | Yes | N/A | Yes | Yes | Yes | Yes |
| Lap/Indoor Distance Tracking | N/A | Yes | N/A | Yes | Yes | Yes | Yes |
| Record HR underwater | No | No | No | No | With Certain Polar Straps | No | No |
| Openwater Metrics (Stroke/etc.) | N/A | Yes | N/A | Yes | Yes | Yes | Yes |
| Indoor Metrics (Stroke/etc.) | N/A | Yes | N/A | Yes | Yes | Yes | Yes |
| Indoor Drill Mode | N/A | Yes | N/A | No | No | Yes | Yes |
| Indoor auto-pause feature | N/A | No | N/A | No | Yes | No | No |
| Change pool size | N/A | Yes | N/A | Yes | Yes | Yes | Yes |
| Indoor Min/Max Pool Lengths | N/A | 18m/20y to 150y/m | N/A | 20m/22y to 100y/m | 20M/Y to 250 m/y | 15m/y to 1,200m/y | 15m/y to 1,200m/y |
| Ability to customize data fields | N/A | Yes | N/A | Yes | Yes | Yes | Yes |
| Captures per length data - indoors | N/A | Yes | N/A | Yes | Yes | Yes | Yes |
| Indoor Alerts | N/A | Yes | N/A | Yes | N/A | No | No |
Triathlon | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Designed for triathlon | No | Yes | No | Yes | Yes | Yes | Yes |
| Multisport mode | N/A | Yes | No | Yes | Yes | Yes | Yes |
Workouts | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Create/Follow custom workouts | Yes (As of Dec 6, 2013) | Yes | Yes | Yes | Yes | No | No |
| On-unit interval Feature | Yes (As of Dec 6, 2013) | Yes | Yes | Yes | Yes | Barely | Barely |
| Training Calendar Functionality | No | Yes (Added June 13th, 2014) | Yes | Yes | Yes | No | No |
Functions | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Auto Start/Stop | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Virtual Partner Feature | Yes | Yes | Yes | Yes | Yes | No | No |
| Virtual Racer Feature | No | No | No | Yes | No | No | No |
| Records PR's - Personal Records (diff than history) | No | No | Yes | No | No | No | No |
| Tidal Tables (Tide Information) | No | No | No | No | No | No | No |
| Weather Display (live data) | No | No | No | No | No | No | No |
Navigate | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Follow GPS Track (Courses/Waypoints) | Yes | Yes | No | Yes | Yes | Yes | Yes |
| Markers/Waypoint Direction | Yes | Yes | No | No | Yes | Yes | Yes |
| Routable/Visual Maps (like car GPS) | No | No | No | No | No | No | No |
| Back to start | Yes | Yes | No | Yes | Yes | Yes (added Aug 30, 2013) | Yes (added Aug 30, 2013) |
| Impromptu Round Trip Route Creation | No | No | No | No | No | No | No |
| Download courses/routes from phone to unit | Yes | Yes | No | No | Yes | No | No |
Sensors | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Altimeter Type | Barometric | Barometric | GPS | Barometric | Barometric | Barometric, GPS (FusedAlti) | GPS |
| Compass Type | Magnetic | Magnetic | N/A | GPS | Magnetic | Magnetic | Magnetic |
| Optical Heart Rate Sensor internally | | | No | | No | | |
| Heart Rate Strap Compatible | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| ANT+ Heart Rate Strap Capable | Yes | Yes | Yes | Yes | No | Yes | Yes |
| ANT+ Speed/Cadence Capable | Yes | Yes | Yes | Yes | No | Yes | Yes |
| ANT+ Footpod Capable | Yes | Yes | Yes | Yes | No | Yes | Yes |
| ANT+ Power Meter Capable | No | Yes | No | Yes | No | Yes | Yes |
| ANT+ Lighting Control | | | No | | No | | |
| ANT+ Bike Radar Integration | | | No | | No | | |
| ANT+ Trainer Control (FE-C) | | | No | | No | | |
| ANT+ Remote Control | Yes | No (can control VIRB though) | No | No | no (but can control GoPro) | No | No |
| ANT+ eBike Compatibility | No | No | No | No | No | No | No |
| ANT+ Gear Shifting (i.e. SRAM ETAP) | | | | | No | | |
| Shimano Di2 Shifting | | No | No | No | No | No | No |
| Bluetooth Smart HR Strap Capable | No | No | No | No | Yes | No | No |
| Bluetooth Smart Speed/Cadence Capable | No | No | No | No | Yes | No | No |
| Bluetooth Smart Footpod Capable | No | No | No | No | Yes | No | No |
| Bluetooth Smart Power Meter Capable | No | No | No | No | Yes | No | No |
| Temp Recording (internal sensor) | Yes | Yes | No | No | Yes | Yes | No |
| Temp Recording (external sensor) | Yes | Yes | No | No | No | No | No |
Software | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | PC Application | Basecamp | Garmin Express | Garmin Express | GTC/ANT Agent | Polar Flowsync - Windows/Mac | Moveslink Agent | Moveslink Agent |
| Web Application | Garmin Connect | Garmin Connect | Garmin Connect | Garmin Connect | Polar Flow | Movescount | Movescount |
| Phone App | Garmin Basecamp (iOS) | iOS/Android | iOS/Android | iOS/Android | iOS/Android | Suunto Movescount | Movescount |
| Ability to Export Settings | Yes (profiles XML) | No | Yes | No | No | Yes (online) | Yes (online) |
Purchase | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Amazon | Link | Link | Link | Link | Link | Link | Link |
DCRainmaker | Garmin Fenix | Garmin Fenix2/Fenix2 SE | Garmin Forerunner 620 | Garmin Forerunner 910XT | Polar V800 | Suunto Ambit2 | Suunto Ambit2 S | | Review Link | Link | Link | Link | Link | Link | Link | Link |