Product Comparison

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Forerunner® 910XT
$399.99 USD and Up
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Forerunner® 310XT
$249.99 USD and Up
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Forerunner® 910XT
$399.99 USD and Up
Remove this device from comparison.
Forerunner® 310XT
$249.99 USD and Up

Physical & Performance

Physical dimensions 2.1" x 2.4" x 0.6" (54 x 61 x 15 mm) 2.1" x 2.2" x 0.8" (54 x 56 x 19 mm)
Display size 1.3" x 0.8" (33 x 20 mm) 1.3" x 0.8" (33 x 20 mm)
Display resolution 160 x 100 pixels
Weight 2.5 oz (72 g) 2.5 oz (72 g)
Battery type Rechargeable lithium-ion Rechargeable lithium-ion
Battery life Up to 20 hours Up to 20 hours
Water rating 5 ATM 5 ATM
GPS-enabled
High-sensitivity receiver
Barometric altimeter
Vibration alert

Maps & Memory

Waypoints/favorites/locations 100 100
History 1000 laps 1000 laps

Running Features

Virtual Pacer™ (compares current pace to target)

Cycling Features

Compatible with Vector™
Multiple bike profiles
Bike speed/cadence sensor Yes (optional) Yes (optional)

Performance Features

Heart rate monitor Yes (Some versions) Yes (Some versions)
Foot pod Yes (optional) Yes (optional)
Virtual Partner® (train against a digital person)
Virtual Racer™/Race an Activity (compete against other activities)
Courses
Auto Pause® (pauses and resumes timer based on speed)
Auto Lap® (automatically starts a new lap)
Auto Scroll (cycles through data pages during an activity)
Multi-sport
Auto multisport (switch sport modes with 1 button press)
Advanced workouts (create custom workouts)
Pace alert (triggers alarm if you vary from preset pace) Yes (for advanced workouts only) Yes (for advanced workouts only)
Time/distance alerts (triggers alarm when you reach goal)
Interval training (set up exercise and rest intervals)
Heart rate-based calorie computation
Calculates calories burned
Training Effect (measures impact of an activity on your aerobic fitness)
Customizable screen(s)
Power meter compatible (displays power data from compatible 3rd party ANT+™-enabled power meters) Yes (records data approx. 1 per second) Yes (records data approx. 1 per second)
Shock Resistant

Swimming Features

Pool swim metrics (lengths, distance, pace, stroke count/rate, calories)
Stroke type identification (e.g. freestyle)
Open water swim metrics (distance, pace, stroke count/rate, calories)

Garmin Connect™

Garmin Connect™ compatible (online community where you analyze, categorize and share data)
Automatic sync (automatically transfers data to Garmin Connect)
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