| Price | $299 (42mm), $349 (46mm) | $199 | $599 | $549-$1,149 | $599/599EUR | $499 | $599 (non-baro is $499) |
| Product Announcement Date | Nov 2018 | Aug 2020 | Jan 4th, 2017 | Aug 29th, 2019 | Apr 30th, 2019 | Oct 7th, 2020 | June 5th, 2018 |
| Actual Availability/Shipping Date | Nov 2018 | Sept 2020 | March 2017 | Aug 29th, 2019 | Early May 2019 | Oct 7th, 2020 | June 26th, 2018 |
| GPS Recording Functionality | Yes | Yes | Yes | Yes (with Galileo too) | Yes (with Galileo too) | Yes | Yes |
| Data Transfer | Bluetooth Smart (smartphone) | Bluetooth Smart (smartphone) | USB/Bluetooth Smart/WiFi (Sapphire only) | USB/Bluetooth Smart/WiFi on Pro only | USB/Bluetooth Smart/WiFi | USB, BLUETOOTH SMART | USB & Bluetooth Smart |
| Waterproofing | 100m | 50m | Yes - 100m | Yes - 100m | Yes - 50m | Yes - 100m | Yes - 100m |
| Battery Life (GPS) | 25hr (42mm), 35hr (46mm), up to 100hrs UltraMax | 30 hours (regular), 60 hours (UltraMax) | Up to 24hrs in GPS-on, up to 75hrs in UltraTrac GPS | 25hrs to 148hrs (depends on model) | 36hrs GPS, 60hrs UltraTrac | Up to 100 hours | Up to 120 Hours |
| Recording Interval | 1-second | 1-second | 1S or Smart | 1S or Smart | 1S or Smart | 1s | Variable |
| Dual-Frequency GNSS | | | | No | No | | |
| Alerts | Audio/Visual/Vibration | Audio/Visual/Vibration | Vibrate/Sound/Visual | Vibrate/Sound/Visual | Vibrate/Sound/Visual | Vibrate/Sound/Visual | Sound/Visual/Vibrate |
| Ability to download custom apps to unit/device | No | No | YEs | YEs | YEs | No | No |
Music | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Can control phone music | No | No | Yes | Yes | Yes | Yes | No |
| Has offline music storage and playback | No | No | No | Yes (Pro Only) | Yes | No | No |
| Streaming Services | N/A | N/A | No | iHeartRadio, Spotify, Deezer, Amazon (Pro Only) | Spotify, Amazon Music, Deezer, iHeartRadio | No | No |
Payments | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Contactless-NFC Payments | No | No | No | Yes | Yes | No | No |
Connectivity | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Bluetooth Smart to Phone Uploading | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Phone Notifications to unit (i.e. texts/calls/etc...) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Live Tracking (streaming location to website) | No | No | Yes | Yes | Yes | No | No |
| Group tracking | No | No | Yes | Yes | Yes | No | No |
| Emergency/SOS Message Notification (from watch to contacts) | No | No | No | Yes (via phone) | Yes (via phone) | No | No |
| Built-in cellular chip (no phone required) | No | No | No | No | No | No | No |
Cycling | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Designed for cycling | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Power Meter Capable | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Power Meter Configuration/Calibration Options | No | No | Yes | Yes | Yes | Yes | Yes |
| Power Meter TSS/NP/IF | NP only | NP only | Yes | Yes | Yes | No | No |
| Speed/Cadence Sensor Capable | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Strava segments live on device | No | No | Yes | Yes | Yes | TBD Future Update | No |
| Crash detection | No | No | No | Yes | Yes | No | No |
Running | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Designed for running | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Footpod Capable (For treadmills) | No | No | Yes | Yes | Yes | Yes | Yes |
| Running Dynamics (vertical oscillation, ground contact time, etc...) | Yes | Yes | WITH RD POD, HRM-TRI OR HRM-RUN (NOT VIA OPTICAL HR) | WITH RD POD, HRM-TRI OR HRM-RUN (NOT VIA OPTICAL HR) | WITH RD POD, HRM-TRI OR HRM-RUN (NOT VIA OPTICAL HR) | No | No |
| Running Power | Yes | Yes (wrist based + Stryd support) | With extra sensor | With extra sensor | With extra sensor | Yes (built-in) | With extra sensor |
| VO2Max Estimation | Yes | Yes | YEs | YEs | YEs | Yes | Yes |
| Race Predictor | No | No | Yes | Yes, plus PacePro | Yes | No | No |
| Recovery Advisor | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Run/Walk Mode | No | No | Yes | Yes | Yes | No | No |
| Track Recognition Mode | Yes | Yes | | Yes | Yes | No | No |
Swimming | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Designed for swimming | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Openwater swimming mode | Yes | Yes | YEs | YEs | YEs | Yes | Yes |
| Lap/Indoor Distance Tracking | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Record HR underwater | Yes | Yes | WITH HRM-TRI/HRM-SWIM (Not with optical HR) | Yes | Yes | Yes | Yes |
| Openwater Metrics (Stroke/etc.) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Indoor Metrics (Stroke/etc.) | Yes | Yes | YEs | YEs | YEs | Yes | Yes |
| Indoor Drill Mode | Via Drill Log | Via Drill Log | Yes | Yes | Yes | No | No |
| Indoor auto-pause feature | - | - | No (it'll show rest time afterwards though) | No (it'll show rest time afterwards though) | No (it'll show rest time afterwards though) | Yes | No |
| Change pool size | Yes | Yes | YEs | YEs | YEs | Yes | Yes |
| Indoor Min/Max Pool Lengths | 15y/m-300y/m | 15y/m-300y/m | 14M/15Y TO 150Y/M | 14M/15Y TO 150Y/M | 14M/15Y TO 150Y/M | 20M/Y to 250 m/y | 15m/y to 1,200m/y |
| Ability to customize data fields | Yes | Yes | Yes | Yes | Yes | Yes | yes |
| Captures per length data - indoors | | | Yes | Yes | Yes | Yes | Yes |
| Indoor Alerts | Yes | Yes | Yes | Yes | Yes | N/A | No |
Triathlon | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Designed for triathlon | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Multisport mode | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Workouts | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Create/Follow custom workouts | Yes | Yes | Yes | Yes | Yes | Yes | No |
| On-unit interval Feature | Yes | Yes | YEs | YEs | YEs | Yes | Yes |
| Training Calendar Functionality | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Functions | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Auto Start/Stop | Yes | Yes | Yes | Yes | Yes | | No |
| Virtual Partner Feature | No | No | YEs | YEs | YEs | No (but can give out of zone alerts) | No |
| Virtual Racer Feature | No | No | Yes | Yes | Yes | No | No |
| Records PR's - Personal Records (diff than history) | No | No | Yes | Yes | Yes | No | No |
| Tidal Tables (Tide Information) | No | No | No | No | No | No | No |
| Weather Display (live data) | No | No | Yes | Yes | Yes | Yes | No |
Navigate | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Follow GPS Track (Courses/Waypoints) | Yes | No | YEs | Yes | Yes | Yes | Yes |
| Markers/Waypoint Direction | Yes | No | Yes | Yes | Yes | No | Yes |
| Offline Maps | No | No | Yes (5X Only) | Yes (Pro Only) | Yes | No | No |
| Back to start | Yes | No | Yes | Yes | Yes | Yes | Yes |
| Impromptu Round Trip Route Creation | No | No | Yes (5X Only) | Yes (Pro Only) | Yes | No | No |
| Download courses/routes from phone to unit | Yes | No | Yes | Yes | Yes | Yes | Yes |
Sensors | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Altimeter Type | Barometric | Barometric | Barometric | Barometric | Barometric | Barometric | Barometric |
| Compass Type | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | N/A | Magnetic |
| Optical Heart Rate Sensor internally | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| SpO2 (aka Pulse Oximetry) | No | No | No | Yes | Yes | No | No |
| ECG Functionality | No | No | | No | No | No | |
| Heart Rate Strap Compatible | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| ANT+ Heart Rate Strap Capable | Yes | Yes | Yes | Yes | Yes | No | No |
| ANT+ Speed/Cadence Capable | Yes | Yes | Yes | Yes | Yes | No | No |
| ANT+ Footpod Capable | Yes | Yes | Yes | Yes | Yes | No | No |
| ANT+ Power Meter Capable | Yes | Yes | Yes | Yes | Yes | No | No |
| ANT+ Lighting Control | No | No | Yes | Yes | Yes | No | No |
| ANT+ Bike Radar Integration | No | No | Yes | Yes | Yes | No | No |
| ANT+ Trainer Control (FE-C) | FTMS (Bluetooth) only | FTMS (Bluetooth) only | No | Yes | No | No | No |
| ANT+ Remote Control | No | No | No (can control VIRB though) | No (can control VIRB though) | No (can control VIRB though) | No | No |
| ANT+ eBike Compatibility | No | No | No | No | No | No | No |
| ANT+ Gear Shifting (i.e. SRAM ETAP) | No | No | Yes | Yes | Yes | No | No |
| Shimano Di2 Shifting | No | No | Yes | Yes | Yes | No | No |
| Bluetooth Smart HR Strap Capable | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Bluetooth Smart Speed/Cadence Capable | Yes | Yes | Yes | Yes | Yes | Yes | YEs |
| Bluetooth Smart Footpod Capable | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Bluetooth Smart Power Meter Capable | nO | Yes | YEs | YEs | YEs | Yes | Yes |
| Temp Recording (internal sensor) | Yes | No | Yes | Yes | Yes | Yes | Yes |
| Temp Recording (external sensor) | No | No | Yes | Yes | Yes | No | No |
Software | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Desktop Application | No | No | Garmin Express | Garmin Express | Garmin Express | Polar Flowsync - Windows/Mac | PC/Mac |
| Web Application | No | No | Garmin Connect | Garmin Connect | Garmin Connect | Polar Flow | Suunto Movescount |
| Phone App | iOS/Android | iOS/Android | iOS/Android/Windows Phone | iOS/Android/Windows Phone | iOS/Android/Windows Phone | iOS/Android | iOS /Android |
| Ability to Export Settings | No | No | No | No | No | No | No |
Purchase | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Amazon | Link | Link | Link | Link | Link | Link | Link |
| Backcountry.com | Link | | Link | Link | Link | | Link |
| Competitive Cyclist | | | Link | Link | Link | | Link |
| REI | Link | Link | | Link | Link | | |
DCRainmaker | COROS APEX | COROS Pace 2 | Garmin Fenix 5 (5/5S/5X) | Garmin Fenix 6 Series | Garmin Forerunner 945 | Polar Vantage V2 | Suunto 9 Baro | | Review Link | Link | Link | Link | Link | Link | Link | Link |