Price | $349.00 | $319 | $219 | $220.00 | $400.00/Discontinued | $299 (on sale) | $399 |
Product Announcement Date | APR 12, 2011 | APR 29, 2013 | APR 29, 2013 | Mar 21, 2011 | Jan 18, 2012 | JUL 10, 2012 | OCT 4, 2011 |
Actual Availability/Shipping Date | APR 15, 2011 | May 2013 | May 2013 | June 2011 | Apr 2012 | AUG 2012 | JAN-APR 2012 |
GPS Recording Functionality | Yes | Yes | Yes | Separate GPS Pod | Yes | Yes | Yes |
Data Transfer | ANT+ Wireless | USB | USB | irDA Wireless | USB | USB & Bluetooth Smart | ANT+ Wireless |
Waterproofing | IPX7 | Yes - 100m | Yes - 50m | Yes - 30m | Yes - 100m | Yes - 50m | Yes - 50m |
Battery Life (GPS) | 8 Hours | 50 hours | 25 hours | 1 year (GPS separate) | 50 hours | 50 hours | 20 Hours |
Recording Interval | 1-second & smart | Variable | Variable | Adjustable | Variable | 1s to variable | 1s or Smart |
Alerts | AUDIO/VISUAL/VIBRATE | Sound/Visual | Sound/Visual | Sound/Visual | Sound/Visual | Vibrate/Sound/Visual | Vibrate/Sound/Visual |
Backlight Greatness | Great | Great | Great | Good | Great | Great | Great |
Ability to download custom apps to unit/device | No | Yes | Yes | No | Yes | No | No |
Acts as daily activity monitor (steps, etc...) | No | No | No | No | No | No | No |
Connectivity | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Bluetooth Smart to Phone Uploading | Via Wahoo Fitness Adapter | No | No | No | No | Yes | Via Wahoo Fitness Adapter |
Phone Notifications to unit (i.e. texts/calls/etc...) | No | No | No | No | No | Yes | No |
Live Tracking (streaming location to website) | No | No | No | No | No | Yes (as of Feb 2014) | 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 Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Designed for cycling | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Power Meter Capable | No | Yes | Yes | No | No | No | Yes |
Power Meter Configuration/Calibration Options | N/A | Yes | Yes | N/A | N/A | N/A | Yes |
Power Meter TSS/NP/IF | N/A | No | No | N/A | N/A | N/A | Yes |
Speed/Cadence Sensor Capable | Yes | Yes | Yes | Yes | Yes | Yes (full support added Sept 2013) | Yes |
Running | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Designed for running | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Footpod Capable (For treadmills) | Yes | Yes (internal accelerometer) | Yes (internal accelerometer) | Yes | Yes | Yes | Yes |
Running Dynamics (vertical oscillation, ground contact time, etc...) | No | No | No | No | No | No | No |
VO2Max Estimation | No | Yes | Yes | Yes | Yes | No | No |
Race Predictor | No | No | No | No | No | No | No |
Recovery Advisor | No | Yes | Yes | Yes | No | No | No |
Run/Walk Mode | Yes | No | No | No | No | No | Yes |
Swimming | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Designed for swimming | No | Yes | Yes | No | No | No | Yes |
Openwater swimming mode | N/A | Yes | Yes | N/A | N/A | N/A | Yes |
Lap/Indoor Distance Tracking | N/A | Yes | Yes | N/A | N/A | N/A | Yes |
Record HR underwater | No | No | No | Yes | No | No | No |
Openwater Metrics (Stroke/etc.) | N/A | Yes | Yes | N/A | N/A | N/A | Yes |
Indoor Metrics (Stroke/etc.) | N/A | Yes | Yes | N/A | N/A | N/A | Yes |
Indoor Drill Mode | N/A | Yes | Yes | N/A | N/A | N/A | No |
Indoor auto-pause feature | N/A | No | No | N/A | N/A | N/A | No |
Change pool size | N/A | Yes | Yes | N/A | N/A | N/A | Yes |
Indoor Min/Max Pool Lengths | N/A | 15m/y to 1,200m/y | 15m/y to 1,200m/y | N/A | N/A | N/A | 20m/22y to 100y/m |
Ability to customize data fields | N/A | Yes | Yes | N/A | N/A | N/A | Yes |
Captures per length data - indoors | N/A | Yes | Yes | N/A | N/A | N/A | Yes |
Indoor Alerts | N/A | No | No | N/A | N/A | N/A | Yes |
Triathlon | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Designed for triathlon | No | Yes | Yes | Yes | No | No | Yes |
Multisport mode | No | Yes | Yes | No | N/A | N/A | Yes |
Workouts | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Create/Follow custom workouts | Yes | No | No | Yes | No | Yes (As of Dec 6, 2013) | Yes |
On-unit interval Feature | Yes | Barely | Barely | Yes | No | Yes (As of Dec 6, 2013) | Yes |
Training Calendar Functionality | No | No | No | No | No | No | Yes |
Functions | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Auto Start/Stop | Yes | Yes | Yes | Yes | No | Yes | Yes |
Virtual Partner Feature | Yes | No | No | Yes | No | Yes | Yes |
Virtual Racer Feature | Yes | No | No | No | No | No | Yes |
Records PR's - Personal Records (diff than history) | No | No | No | 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 Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Follow GPS Track (Courses/Waypoints) | No | Yes | Yes | No | Yes | Yes | Yes |
Markers/Waypoint Direction | No | Yes | Yes | No | No | Yes | No |
Routable/Visual Maps (like car GPS) | No | No | No | No | No | No | No |
Back to start | Yes | Yes (added Aug 30, 2013) | Yes (added Aug 30, 2013) | No | Yes (point to point only) | Yes | Yes |
Impromptu Round Trip Route Creation | No | No | No | No | No | No | No |
Download courses/routes from phone to unit | No | No | No | No | No | Yes | No |
Sensors | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Altimeter Type | GPS | Barometric, GPS (FusedAlti) | GPS | None | Barometric | Barometric | Barometric |
Compass Type | N/A | Magnetic | Magnetic | None | Magnetic | Magnetic | GPS |
Heart Rate Strap Compatible | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
ANT+ Heart Rate Strap Capable | Yes | Yes | Yes | No | Yes | Yes | Yes |
ANT+ Speed/Cadence Capable | Yes | Yes | Yes | No | Yes | Yes | Yes |
ANT+ Footpod Capable | Yes | Yes | Yes | No | Yes | Yes | Yes |
ANT+ Power Meter Capable | No | Yes | Yes | No | No | No | Yes |
ANT+ Remote Control | No | No | No | No | No | Yes | No |
ANT+ eBike Compatibility | No | No | No | No | No | No | No |
Shimano Di2 Shifting | | No | No | | No | | No |
Bluetooth Smart HR Strap Capable | No | No | No | No | No | No | No |
Bluetooth Smart Speed/Cadence Capable | No | No | No | No | No | No | No |
Bluetooth Smart Footpod Capable | No | No | No | No | No | No | No |
Bluetooth Smart Power Meter Capable | No | No | No | No | No | No | No |
Temp Recording (internal sensor) | No | Yes | No | No | Yes | Yes | No |
Temp Recording (external sensor) | No | No | No | No | No | Yes | No |
Software | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | PC Application | GTC/ANT Agent | Moveslink Agent | Moveslink Agent | PPT/Websync | Moveslink Agent | Basecamp | GTC/ANT Agent |
Web Application | Garmin Connect | Movescount | Movescount | PPT.com | Movescount | Garmin Connect | Garmin Connect |
Phone App | Garmin Fit | Suunto Movescount | Movescount | Polar Beats | Suunto Movescount | Garmin Basecamp (iOS) | iOS/Android |
Ability to Export Settings | No | Yes (online) | Yes (online) | No | Yes (online) | Yes (profiles XML) | No |
Purchase | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Amazon | Link | Link | Link | Link | Link | Link | Link |
DCRainmaker | Garmin Forerunner 610 | Suunto Ambit2 | Suunto Ambit2 S | Polar RCX5 | Suunto Ambit | Garmin Fenix | Garmin Forerunner 910XT | Review Link | Link | Link | Link | Link | Link | Link | Link |