Product Comparison

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Edge® 25
$169.99 USD and Up
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Forerunner® 25
$99.99 USD

Compact, easy-to-use GPS bike computer with connected features

Easy-to-use GPS running watch


Lens Material


Strap material


Physical size

Small (black/violet and white/pink): 35 x 44 x 13.9 mm
Large (black/blue and black/red): 40 x 47 x 13.9 mm

Dimension 1.6” x 1.6” x 0.7” (40.0 x 42.0 x 17.0 mm)
Display Size 0.9” (23.0 mm) diagonal Small: 0.73” x 0.73” (18.5 x 18.5 mm)
Large: 0.91” x 0.91” (23.0 x 23.0 mm)
Display Resolution 128 x 160 pixels 128 x 128 pixels
Display Type sunlight-visible, transflective memory-in-pixel (MIP)
Weight 0.9 oz (25 g)

Small: 31 g
Large: 39 g

Water rating IPX7 5 ATM
Battery type rechargeable lithium-ion
Battery life up to 8 hours Small: Watch: Up to 8 weeks; GPS mode: Up to 8 hours
Large: Watch: Up to 10 weeks; GPS mode: Up to 10 hours
Memory/History 7 activities

Maps & Memory

External memory storage Internal memory only
Waypoints/favorites/locations 0
History up to 10 rides

Clock Features

GPS Time Sync
Automatic daylight saving time
Alarm clock



Daily Smart Features

Connectivity Bluetooth®, ANT+®
Smart Notifications
Smartphone compatibility iPhone®, Android™
Pairs with Garmin Connect™ Mobile

Safety and Tracking Features


Activity Tracking Features

Step counter
Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it)
Auto goal (learns your activity level and assigns a daily step goal)
Calories burned
Distance traveled

Training, Planning and Analysis Features

HR zones yes (with compatible accessory)
HR alerts yes (with compatible accessory)
HR calories yes (with compatible accessory)
GPS speed and distance
Customizable data pages
Auto Pause®
Auto Lap®
Manual lap
Virtual Partner
Auto scroll
Activity history on watch

Running Features

Available run profiles


GPS-based distance, time and pace
Cadence (provides real-time number of steps per minute)
Foot pod capable

Outdoor Recreation

Available outdoor recreation profiles


Cycling Features

Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)
Compatible with Varia™ radar (rear-facing radar)
Compatible with Varia™ lights