Garmin Forerunner 210 vs Garmin Forerunner 610

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Forerunner 210 compared with Forerunner 610

	GarminForerunner 210	GarminForerunner 610
Overview
Released
Released	2010	April 2011
Display
Case sizes
Case sizes	45 mm	45.7 mm
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	Backlit monochrome screen, 25 mm diameter and 52 × 30 pixels; four physical buttons and fixed training pages. Garmin does not publish the panel technology.	Backlit 25.4 mm touchscreen, 128 × 128 pixels; up to four data fields per training page. Panel technology is unpublished in the maker's specification.
Health and fitness
ECG
ECG	No	No
Blood oxygen
Blood oxygen	No	No
Skin temperature
Skin temperature	No	No
Sleep apnoea alerts
Sleep apnoea alerts	No	No
High blood pressure alerts
High blood pressure alerts	No	No
Body composition
Body composition	No	No
Fall detection
Fall detection	No	No
Crash detection
Crash detection	No	No
GPS
GPS	Single-band	Single-band
Sensors
Sensors	High-sensitivity GPS receiver with HotFix satellite prediction; optional ANT+ heart-rate chest strap and foot pod for indoor speed, distance and cadence. No optical wrist sensor.	High-sensitivity GPS receiver and ANT+ support for heart-rate straps, foot pods, GSC 10 cycling sensors, weight scales and compatible fitness equipment. No optical wrist sensor.
Fitness features
Fitness features	Time, distance, calories, instant pace, lap-average pace and run-average pace; manual laps, Auto Lap and time- or distance-based interval workouts with optional warm-up and cool-down.	Training Effect, Virtual Partner, Virtual Racer, interval and custom workouts, run/walk alerts, Auto Lap, Auto Pause and Auto Scroll; vibration alerts for pace, heart rate, time and distance.
Safety features
Safety features	–	Navigate to a stored location or back to the start; no base maps.
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 8 hours	Up to 8 hours
In low-power mode
In low-power mode	Up to 21 days	Up to 28 days
Mobile data option
Mobile data option	No	No
Works with
Works with	No phone pairing	No phone pairing
Battery life detail
Battery life detail	Rechargeable 200 mAh lithium-ion battery; up to eight hours with GPS, three weeks in power-save mode or one week with forty-five minutes of GPS training each day.	Rechargeable 200 mAh lithium-ion battery; up to eight hours with GPS, four weeks in power-save mode or one week with forty-five minutes of GPS training each day.
Charging
Charging	USB contact charging clip and AC adapter.	Magnetic contact cradle with USB power.
Connectivity
Connectivity	USB computer activity transfers and Garmin Connect; ANT+ sensor connections. No direct phone pairing.	ANT+ wireless computer uploads through the included USB ANT stick; Garmin Connect and Garmin Training Center. No direct phone pairing.
Storage
Storage	Up to 1,000 laps; the oldest data is overwritten when memory is full.	Up to 1,000 laps and 100 saved locations.
Design
Weight (lightest version)
Weight (lightest version)	52 g (better)	72 g
Software
Software	Garmin	Garmin
Case materials
Case materials	IPX7 immersion protection, one metre for thirty minutes; the owner's manual says the watch is not intended for swimming.	IPX7 immersion protection, one metre for thirty minutes; the owner's manual says it is not intended for swimming.
Size
Size	45 × 69 × 14 mm and 52 g. Width is used as the case size.	45.7 × 63.5 × 14.2 mm without the strap; 72 g. Width is used as the case size.
Bands
Bands	–	Replaceable wrist strap; optional fabric strap.
In the box
In the box	Watch, charging/data cable, AC adapter and documentation; heart-rate strap and foot pod included in some bundles.	Watch, AC adapter, USB charging cradle, USB ANT stick and documentation; heart-rate strap included in some bundles.