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

General

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)
Weight 2.5 oz (72 g) 2.5 oz (72 g)
Water rating 5 ATM 5 ATM
Battery Rechargeable lithium-ion Rechargeable lithium-ion
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
Battery life Up to 20 hours Up to 20 hours
High-sensitivity receiver

Maps & Memory

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

Sensors

GPS
Barometric altimeter

Activity Tracking Features

Calories burned

Training, Planning and Analysis Features

Customizable data pages
Auto Pause®
Advanced workouts
Auto Lap®
Virtual Partner
Training Effect (aerobic)
Race an Activity
Virtual Pacer™ (compares current pace to target)
Auto multisport activities
Manual multisport activities
Auto scroll

Running Features

Foot pod capable Yes (optional) Yes (optional)

Cycling Features

Courses (compete against previous activities)
Time/distance alerts (triggers alarm when you reach goal)
Interval training
Multiple bike profiles
Compatible with Vector™ (power meter)
Power meter compatible (displays power data from compatible third-party ANT+™-enabled power meters) Yes (records data approx. 1 per second) Yes (records data approx. 1 per second)

Swimming Features

Pool swim metrics (lengths, distance, pace, stroke count/rate, calories)
Stroke type detection (freestyle, backstroke, breaststroke, butterfly)
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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