Product Comparison
Forerunner® 945
$499.99 USD and Up
|
Forerunner® 745
$499.99 USD and Up
|
Forerunner® 245
$279.99 USD
|
Forerunner® 45
$179.99 USD
|
Forerunner® 945
Buy Now
$499.99 USD and Up
|
Forerunner® 745
Buy Now
$499.99 USD and Up
|
Forerunner® 245
Buy Now
$279.99 USD
|
Forerunner® 45
Buy Now
$179.99 USD
|
Print|
You're an up-at-dawn runner. A conditioned-for-pain triathlete. Our most advanced, lightweight GPS smartwatch is made for you. |
Advanced GPS running and triathlon smartwatch |
You like running. And you want to take it to the next level with a GPS smartwatch that has the basic metrics and then some. |
You need a basic running watch. If you want to keep it simple, this lightweight GPS smartwatch is for you. |
General
| Lens Material |
Corning® Gorilla® Glass 3 DX |
Corning® Gorilla® Glass DX |
Corning® Gorilla® Glass 3 |
chemically strengthened glass |
|---|---|---|---|---|
| Bezel Material |
fiber-reinforced polymer |
fiber-reinforced polymer |
fiber-reinforced polymer |
|
| QuickFit™ watch band compatible |
yes (22 mm compatible) |
yes (22 mm) |
||
| Quick Release bands | yes (20 mm, Industry standard) | |||
| Strap material |
silicone |
silicone |
silicone |
silicone |
| Physical size |
47 x 47 x 13.7 mm Fits wrists with a circumference of 130-220 mm |
43.8 x 43.8 x 13.3 mm Fits wrists with a circumference of 126-216 mm |
42.3 x 42.3 x 12.2 (mm) |
42 x 42 x 11.4 mm Fits wrists with a circumference of 129-197 mm |
| Color display | ||||
| Display Size | 1.2" (30.4 mm) diameter | 1.2" (30.4 mm) diameter | 1.2" (30.4 mm) diameter | 1.04" (26.3 mm) diameter |
| Display Resolution | 240 x 240 pixels | 240 x 240 pixels | 240 x 240 pixels | 208 x 208 pixels |
| Display Type | sunlight-visible, transflective memory-in-pixel (MIP) | sunlight-visible, transflective memory-in-pixel (MIP) | sunlight-visible, transflective memory-in-pixel (MIP) | sunlight-visible, transflective memory-in-pixel (MIP) |
| Weight |
50 g |
47 g |
38.5 g |
Small: 32 g |
| Water rating | 5 ATM | 5 ATM | 5 ATM | 5 ATM |
| Battery life |
Smartwatch Mode: Up to 2 weeks GPS mode with music: Up to 10 hours GPS mode without music: Up to 36 hours |
Smartwatch mode: Up to 7 days |
Smartwatch Mode: Up to 7 days GPS mode: Up to 24 hours |
Smartwatch Mode: Up to 7 days GPS mode: Up to 13 hours |
| Charging method | Garmin proprietary plug charger | Garmin proprietary plug charger | Garmin proprietary plug charger | Garmin proprietary plug charger |
| Memory/History | 16 GB | 4 GB | 4 GB | 80 hours of activity data |
Clock Features
| Time/date | ||||
|---|---|---|---|---|
| GPS Time Sync | ||||
| Automatic daylight saving time | ||||
| Alarm clock | ||||
| Timer | ||||
| Stopwatch | ||||
| Sunrise/sunset times |
Health Monitoring
| Wrist-based heart rate (constant, every second) | ||||
|---|---|---|---|---|
| Daily resting heart rate | ||||
| Abnormal heart rate alerts | yes (high and low) | yes (high and low) | yes (high and low) | yes (high and low) |
| Respiration rate (24x7) | ||||
| Pulse Ox blood oxygen saturation | yes (spot-check, and optional all-day acclimation and in sleep) | yes (spot-check, and optional all-day acclimation and in sleep) | yes (spot-check and optionally in sleep) | |
| Fitness age | yes (in app) | yes (in app) | yes (in app) | yes (in app) |
| Body Battery™ energy monitor | ||||
| All-day stress | ||||
| Relaxation breathing timer | ||||
| Sleep | yes (advanced) | yes (advanced) | yes (advanced) | yes (advanced) |
| Sleep score and insights | ||||
| Hydration | yes (in Garmin Connect™ and optional Connect IQ™ widget) | yes (in Garmin Connect™ and optional Connect IQ™ widget) | yes (in Garmin Connect™ and optional Connect IQ™ widget) | |
| Women's health | yes (in Garmin Connect™ and optional Connect IQ™ widget) | yes (in Garmin Connect™ and optional Connect IQ™ widget) | yes (in Garmin Connect™ and optional Connect IQ™ widget) |
Sensors
| GPS | ||||
|---|---|---|---|---|
| GLONASS | ||||
| Galileo | ||||
| Garmin Elevate™ wrist heart rate monitor | ||||
| Barometric altimeter | ||||
| Compass | ||||
| Gyroscope | ||||
| Accelerometer | ||||
| Thermometer | yes (tempe™ sensor required) | |||
| Pulse Ox Blood Oxygen Saturation Monitor |
Daily Smart Features
| Connectivity | Bluetooth®, ANT+®, Wi-Fi® | Bluetooth®, ANT+®, Wi-Fi® | Bluetooth®, ANT+® | |
|---|---|---|---|---|
| Connect IQ™ (downloadable watch faces, data fields, widgets and apps) | yes (watch faces only) | |||
| Smart Notifications | ||||
| Text response/reject phone call with text (Android™ only) | ||||
| Calendar | ||||
| Weather | ||||
| Controls smartphone music | ||||
| Plays and controls watch music | ||||
| Music storage | ||||
| Find My Phone | ||||
| Find My Watch | ||||
| VIRB® Remote | ||||
| Smartphone compatibility | iPhone®, Android™ | iPhone® & Android™ | iPhone® and Android™ | iPhone®, Android™ |
| Pairs with Garmin Golf app | ||||
| Pairs with Garmin Connect™ Mobile | ||||
| Garmin Pay™ |
Safety and Tracking Features
| LiveTrack | ||||
|---|---|---|---|---|
| Group LiveTrack | ||||
| Live Event Sharing | Android™ Only | Android™ Only | Android™ Only | Android™ Only |
| Incident Detection during select activities | yes (smartphone required) | |||
| Incident detection alert on phone for wearables | ||||
| Assistance | yes (smartphone required) |
Tactical Features
| Dual grid coordinates |
|---|
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 | ||||
| Floors climbed | ||||
| Distance traveled | ||||
| Intensity minutes | ||||
| TrueUp™ | ||||
| Move IQ™ | ||||
| Garmin Connect™ Challenges app | yes (optional Connect IQ app) | yes (optional Connect IQ app) | yes (optional Connect IQ app) |
Gym & Fitness Equipment
| Automatic rep counting | ||||
|---|---|---|---|---|
| Cardio workouts | ||||
| Available gym activity profiles | Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga | Strength, Cardio and Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Pilates, Yoga | Strength, Cardio and Elliptical Training, Stair Stepping, Indoor Rowing, Yoga | Cardio and Elliptical Training, Stair Stepping. Yoga may be added through app |
| Strength workouts | ||||
| Yoga workouts | ||||
| Pilates workouts | ||||
| On-screen workout animations |
Training, Planning and Analysis Features
| HR zones | ||||
|---|---|---|---|---|
| HR alerts | ||||
| HR calories | ||||
| % HR max | ||||
| % HRR | ||||
| Recovery time | ||||
| Auto max HR | ||||
| HRV stress test (measures your heart rate variability while standing still, for 3 minutes, to provide you with an estimated stress level; the scale of this is 1 to 100; low scores indicate lower stress levels) | yes (with compatible accessory) | yes (with compatible accessory) | ||
| HR broadcast (broadcasts HR data over ANT+™ to paired devices) | yes (using ANT+ or BLE) | yes (using ANT+ or BLE) | yes (using ANT+ or BLE) | |
| Respiration rate (during exercise) | yes (with compatible accessory) | |||
| GPS speed and distance | ||||
| Customizable data pages | ||||
| Customizable activity profiles | ||||
| Auto Pause® | ||||
| Interval training | ||||
| Advanced workouts | ||||
| Downloadable training plans | ||||
| HRM running pace and distance | ||||
| Auto Lap® | ||||
| Manual lap | ||||
| Configurable lap alerts | ||||
| Heat and altitude acclimation | ||||
| VO2 Max (Run) | ||||
| Training status | ||||
| Training load | ||||
| Training load focus | ||||
| Training effect | ||||
| Training effect (anaerobic) | ||||
| Primary benefit (Training Effect labels) | ||||
| Improved recovery time | ||||
| Daily suggested workouts | yes (limited) | |||
| Custom alerts | ||||
| Audio prompts | ||||
| Finish time | ||||
| Virtual Partner | ||||
| Race an Activity | ||||
| Auto multisport activities | ||||
| Manual multisport activities | ||||
| Course guidance | ||||
| Garmin Live Segments | ||||
| Strava Live Segments | ||||
| Round-trip course creator (running/cycling) | yes (in Garmin Connect™) | |||
| Trendline™ Popularity Routing | yes (in Garmin Connect™) | |||
| Touch and/or button lock | ||||
| Hot keys | ||||
| Auto scroll | ||||
| Activity history on watch | ||||
| Physio TrueUp |
Running Features
| Available run profiles |
Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running |
Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running |
Running, Outdoor Track Running, Treadmill Running, Indoor Track Running, Trail Running, Virtual Running |
Running, Treadmill Running. Indoor Track Running may be added through app |
|---|---|---|---|---|
| GPS-based distance, time and pace | ||||
| Running dynamics | yes (with compatible accessory) | yes (with compatible accessory) | yes (with compatible accessory) | |
| Vertical oscillation and ratio | yes (with compatible accessory) | yes (with compatible accessory) | yes (with compatible accessory) | |
| Ground contact time and balance | yes (with compatible accessory) | yes (with compatible accessory) | yes (with compatible accessory) | |
| Stride length (real time) | yes (with compatible accessory) | yes (with compatible accessory) | yes (with compatible accessory) | |
| Cadence (provides real-time number of steps per minute) | ||||
| Performance condition | ||||
| Lactate threshold | yes (with compatible accessory) | yes (with compatible accessory) | ||
| PacePro™ Pacing Strategies | ||||
| Run workouts | ||||
| Trail run auto climb | ||||
| Race predictor | ||||
| Foot pod capable | ||||
| Run/Walk/Stand detection |
Golfing Features
| Preloaded with 43,000 courses worldwide | ||||
|---|---|---|---|---|
| Yardage to F/M/B (distance to front, middle and back of green) | ||||
| Yardage to layups/doglegs | ||||
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | automatic | |||
| Digital scorecard | ||||
| Stat tracking (strokes, putts per round, greens and fairways hit) | ||||
| Garmin AutoShot™ | ||||
| Auto CourseView updates | ||||
| Green View with manual pin position | ||||
| Hazards and course targets | ||||
| TruSwing™ compatible | ||||
| Round timer/odometer |
Outdoor Recreation
| Available outdoor recreation profiles |
Hiking, Climbing, Mountain Biking, Skiing, Snowboarding, XC Classic Skiing, Stand Up Paddleboarding, Rowing, Kayaking |
Hiking, Skiing, Snowboarding, Backcountry Skiing, XC Classic Skiing, XC Skate Skiing, Stand up Paddleboarding, Rowing, Kayaking |
||
|---|---|---|---|---|
| Point-to-point navigation | ||||
| Bread crumb trail in real time | ||||
| Back to start | ||||
| TracBack® | ||||
| UltraTrac mode | ||||
| Around Me mode | ||||
| Elevation profile | ||||
| Distance to destination | ||||
| Barometric trend indicator with Storm Alert | ||||
| ClimbPro™ Ascent Planner | ||||
| Vertical speed | ||||
| Total ascent/descent | ||||
| Future elevation plot | ||||
| Preloaded topographical maps | ||||
| Preloaded road and trail maps | ||||
| Downloadable cartography support | ||||
| GPS coordinates | ||||
| Area calculation | yes (via Connect IQ™) | yes (via Connect IQ™) | ||
| Hunt/fish calendar | yes (via Connect IQ™) | yes (via Connect IQ™) | ||
| Projected waypoint | ||||
| Sun and moon information | yes (via Connect IQ™) | yes (via Connect IQ™) | ||
| XERO™ Locations |
Cycling Features
| Cycle Map (routable cycling-specific street map) | ||||
|---|---|---|---|---|
| Available cycling profiles |
Biking, Indoor Biking, Mountain Trail Biking |
Biking, Indoor Biking, Mountain Trail Biking |
Biking, Indoor Biking |
Biking. Indoor Biking may be added through app |
| Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories) | ||||
| Courses | ||||
| MTB Grit & Flow | ||||
| Bike lap and lap maximum power (with power sensor) | ||||
| Race an activity | ||||
| FTP (Functional Threshold Power) | yes (with compatible accessory) | yes (with compatible accessory) | ||
| Compatible with Vector™ and Rally™ (power meters) | ||||
| Power meter compatible | ||||
| Advanced cycling dynamics | ||||
| Compatible with Varia Vision™ (head-mounted display) | ||||
| Compatible with Varia™ radar (rear-facing radar) | ||||
| Compatible with Varia™ lights | ||||
| Speed and cadence sensor support (w/sensor) |
Swimming Features
| Available swim profiles |
Pool Swimming, Open Water Swimming, Swimrun |
Pool Swimming, Open Water Swimming, Swimrun |
Pool Swimming |
|
|---|---|---|---|---|
| Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories) | ||||
| Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories) | ||||
| Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only) | ||||
| Drill logging (pool swim only) | ||||
| Basic rest timer (up from 0) (pool swim only) | ||||
| "Repeat on" rest timer (pool swim only) | ||||
| Auto rest (pool swim only) | ||||
| Time and distance alerts | ||||
| Pacing alerts (pool swim only) | ||||
| Countdown start (pool swim only) | ||||
| Pool swim workouts | ||||
| Critical swim speed | ||||
| Underwater wrist-based heart rate | ||||
| Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) | yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus) | yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus) | yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus) |
Kid Activity Tracking Features
| Toe-to-Toe™ Challenges app | yes (optional Connect IQ Toe-to-Toe™ Challenges app) | yes (optional Connect IQ Toe-to-Toe™ Challenges app) | yes (optional Connect IQ Toe-to-Toe™ Challenges app) |
|---|