Function/FeatureGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Copyright DC Rainmaker - Updated April 29th, 2021 @ 5:01 am
Price$399$249$499
Product Announcement DateFeb 20, 2014Oct 1st, 2014July 10th, 2014
Actual Availability/Shipping DateMarch 2014Early Oct 2014Sept 2014
GPS Recording FunctionalityYesYesYes
Data TransferUSB/Bluetooth SmartUSB/Bluetooth Smart/WiFiUSB & Bluetooth Smart
WaterproofingYes - 50mYes - 50mYes - 100m
Battery Life (GPS)50 HoursUP TO 40HRS IN GPSUp to 200 Hours
Recording Interval1S to Variable1s or SmartVariable
AlertsVibrate/Sound/VisualVibrate/Sound/VisualSound/Visual
Backlight GreatnessGreatGreatGreat
Ability to download custom apps to unit/deviceNoYesYes
Acts as daily activity monitor (steps, etc...)NoYesMinimal
MusicGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Can control phone musicNoNo
Has music storage and playbackNoNo
ConnectivityGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Bluetooth Smart to Phone UploadingYesYesYes
Phone Notifications to unit (i.e. texts/calls/etc...)YesYesYes
Live Tracking (streaming location to website)YesYesNo
Group trackingNo
Emergency/SOS Message Notification (from watch to contacts)NoNoNo
Built-in cellular chip (no phone required)NoNoNo
CyclingGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Designed for cyclingYesYesYes
Power Meter CapableYesYesYes
Power Meter Configuration/Calibration OptionsYesYesYes
Power Meter TSS/NP/IFYesYesNo
Speed/Cadence Sensor CapableYesYesYes
Strava segments live on deviceNoNo
Crash detectionNo
RunningGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Designed for runningYesYesYes
Footpod Capable (For treadmills)YesYesYes
Running Dynamics (vertical oscillation, ground contact time, etc...)YesWith HRM-TRI or HRM-RUNNo
VO2Max EstimationYesYesYes
Race PredictorYesYesNo
Recovery AdvisorYesYesYes
Run/Walk ModeYes (Added June 13th, 2014)YesNo
SwimmingGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Designed for swimmingYesYesYes
Openwater swimming modeYesYesYes
Lap/Indoor Distance TrackingYesYesYes
Record HR underwaterNoWith HRM-TRI/HRM-SWIMYes
Openwater Metrics (Stroke/etc.)YesYesYes
Indoor Metrics (Stroke/etc.)YesYesYes
Indoor Drill ModeYesYesYes
Indoor auto-pause featureNoNoNo
Change pool sizeYesYesYes
Indoor Min/Max Pool Lengths18m/20y to 150y/m17M/18Y TO 150Y/M15m/y to 1,200m/y
Ability to customize data fieldsYesYesYes
Captures per length data - indoorsYesYesYes
Indoor AlertsYesYesNo
TriathlonGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Designed for triathlonYesYesYes
Multisport modeYesYesYes
WorkoutsGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Create/Follow custom workoutsYesYesNo
On-unit interval FeatureYesYesBarely
Training Calendar FunctionalityYes (Added June 13th, 2014)YesNo
FunctionsGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Auto Start/StopYesYesYes
Virtual Partner FeatureYesYesNo
Virtual Racer FeatureNoYesNo
Records PR's - Personal Records (diff than history)NoYesNo
Tidal Tables (Tide Information)NoNoNo
Weather Display (live data)NoYesNo
NavigateGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Follow GPS Track (Courses/Waypoints)YesYesYes
Markers/Waypoint DirectionYesYesYes
Routable/Visual Maps (like car GPS)NoNoNo
Back to startYesYesYes
Impromptu Round Trip Route CreationNoNoNo
Download courses/routes from phone to unitYesYesYes
SensorsGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
Altimeter TypeBarometricBarometricBarometric
Compass TypeMagneticMagneticMagnetic
Optical Heart Rate Sensor internallyNoNo
Heart Rate Strap CompatibleYesYesYes
ANT+ Heart Rate Strap CapableYesYesNo
ANT+ Speed/Cadence CapableYesYesNo
ANT+ Footpod CapableYesYesNo
ANT+ Power Meter CapableYesYesNo
ANT+ Lighting ControlNoNo
ANT+ Bike Radar IntegrationNoNo
ANT+ Trainer Control (FE-C)NoNo
ANT+ Remote ControlNo (can control VIRB though)No (can control VIRB though)No
ANT+ eBike CompatibilityNoNoNo
ANT+ Gear Shifting (i.e. SRAM ETAP)NoNo
Shimano Di2 ShiftingNoYesNo
Bluetooth Smart HR Strap CapableNoNoYes
Bluetooth Smart Speed/Cadence CapableNoNoYes
Bluetooth Smart Footpod CapableNoNoYes
Bluetooth Smart Power Meter CapableNoNoYes
Temp Recording (internal sensor)YesNoYes
Temp Recording (external sensor)YesNoNo
SoftwareGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
PC ApplicationGarmin ExpressGarmin ExpressMoveslink Agent
Web ApplicationGarmin ConnectGarmin ConnectSuunto Movescount
Phone AppiOS/AndroidiOS/Android/Windows PhoneiOS/Android
Ability to Export SettingsNoNoNo
PurchaseGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
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DCRainmakerGarmin Fenix2/Fenix2 SEGarmin Forerunner 920XTSuunto Ambit3 Peak
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