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Garmin Forerunner 245 Music vs 255 Music

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Garmin Forerunner 245 Music vs 255 Music Full Specifications Comparison

 
 
Product Info

Garmin Forerunner 245 Music Specifications, Features and Price

Garmin Forerunner 255 Music (46mm) Specifications

Garmin Forerunner 255 Music (46mm) Specifications, Features and Price

Price $191.98 $387.30
ABOUT DEVICE ABOUT DEVICE ABOUT DEVICE
Device name Garmin Forerunner 245 Music Garmin Forerunner 255 Music (46mm)
Device type Fitness/Sport smartwatch Fitness/Sport smartwatch
Gender Unisex Men
Predecessor Garmin Forerunner 235 Garmin Forerunner 245
Successor Garmin Forerunner 255
Models Garmin Forerunner 245, Garmin Forerunner 245 Music Garmin Forerunner 255 Music, Garmin Forerunner 255 Standard
Date released April, 2019 June, 2022
DISPLAY DISPLAY DISPLAY
Display size 1.2 inches 1.3 inches
Display type LCD, Memory-in-pixel (MIP), transflective LCD, Memory-in-pixel (MIP), transflective
Resolution 240 x 240 px 260 x 260 px
Pixel density 282.84 PPI 282.84 PPI
Customizable watchface Yes Yes
Input type (not touchscreen), 5 Physical buttons (not touchscreen), 5 Physical buttons
Always-On Yes Yes
BODY BODY BODY
Shape Circular Circular
Case material Fiber-reinforced polymer Fiber-reinforced polymer
Strap material Silicone Silicone
Bezel material Fiber-reinforced polymer Fiber-reinforced polymer
Strap size 20 mm 22 mm
Color Aqua, Black, White Black, Whitestone
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Dimension 42.3 x 42.3 x 12.2 mm 45.6 x 45.6 x 12.9mm
Weight 38.5 grams 49g
Waterproof rating Yes, 5ATM Yes, 5ATM
Swim-proof Yes, recommended Yes, recommended
Durability test
CONNECTIVITY CONNECTIVITY CONNECTIVITY
Bluetooth calling No No
Bluetooth ANT+, Bluetooth ANT+, Bluetooth
Wi-Fi Yes, Wi-Fi 802.11 b/g/n Yes, Wi-Fi 802.11 b/g/n
NFC No Yes
MEMORY MEMORY MEMORY
RAM
ROM 4GB 4GB
Memory card slot No No
CELLULAR CONNECTIVITY CELLULAR CONNECTIVITY CELLULAR CONNECTIVITY
Network technology None None
SIM type None None
NOTIFICATIONS NOTIFICATIONS NOTIFICATIONS
SMS alert Yes Yes
Calls alert Yes Yes
Email alert Yes Yes
Event reminder Yes Yes
Reply messages (Android only), Yes (Android only), Yes
MEDIA MEDIA MEDIA
Audio mp3/mp4 mp3/mp4
Microphone No No
Loudspeaker No No
Bluetooth music Yes Yes
Camera No No
SENSORS SENSORS SENSORS
GPS Galileo, GLONASS, GPS Galileo, GLONASS, GPS
Accelerometer Yes Yes
HRM Yes Yes
Gyroscope Yes
Pulse Ox. Yes Yes
Altimeter No Yes
Barometer No Yes
Compass Yes Yes
ECG No No
Thermometer Yes Yes
Ambient light Yes Yes
HEALTH & FITNESS TRACKING HEALTH & FITNESS TRACKING HEALTH & FITNESS TRACKING
Steps Yes Yes
Calories Yes Yes
Distance Yes Yes
Heart rate monitoring Yes Yes
Sleep tracking Yes Yes
Floors climbed No Yes
Blood oxygen Yes Yes
Blood Pressure No No
Stress Yes Yes
ECG tracking No No
Fall detection Yes Yes
Menstrual cycle Yes Yes
VO2 Max Yes Yes
Onscreen workout No Yes
Preloaded sport modes Yes Yes
BATTERY BATTERY BATTERY
Battery type non-removable Lithium-polymer non-removable Lithium-polymer
Battery capacity
Battery life GPS mode: 24hrs, Smartwatch mode: 7 days GPS mode: Up to 26 hours, Smartwatch mode: up to 12 days
Charging type Charging dock Charging dock
Charging duration 1-2 hours 1-2 hours
Solar power No No
PLATFORM PLATFORM PLATFORM
Operating system Proprietary OS Proprietary OS
Chipset
CPU
GPU
MISCELLANEOUS MISCELLANEOUS MISCELLANEOUS
Companion app Garmin Connect Garmin Connect
Compatibility Android, iOS Android 4.3+, iOS 7.0+
Payment system None Garmin Pay
Customizable strap 20mm, Yes 22 mm, Yes
Voice Assistant No No
Find my phone Yes Yes
Box content Charger, Garmin Forerunner 245 Music, Manual, Straps Charger, Garmin Forerunner 255 Music, Manual, Straps
Price $191.98 $387.30

Garmin Forerunner 245 Music vs 255 Music Activity Tracking Features

 Garmin Forerunner 245 MusicGarmin Forerunner 255 Music

SMART FEATURES

Connect IQ (Downloadable watch faces, data fields, widgets, and apps)YesYes
On-device Connect IQ storeNoYes
Text response/reject phone calls with text (Android only)YesYes
CalendarYesYes
WeatherYesYes
Real-time settings sync with Garmin Connect™ mobileNoYes
Battery saver - customizable low power watchNoYes
Controls smartphone musicYesYes
Plays and Control Watch MusicYesYes
Find my phoneYesYes
Find my watchYesYes
Virb remoteYesYes

HEALTH MONITORING FEATURES

Wrist-based Heart Rate trackingYesYes
Daily resting heart rateYesYes
Abnormal heart rate alertYesYes (high and low)
Respiration Rate (24/7)NoYes
Fitness AgeYesYes
Blood oxygen (SpO2) monitoringYesYes (spot-check, and optional all-day acclimation and in sleep)
Battery energy monitorYesYes
Stress trackingYesYes
Relaxation remindersYesYes
Relaxation breathing timerYesYes
Sleep monitoringYesYes
Advanced sleep tracking/Sleep ScoreYesYes
Menstrual cycle trackingYes (in Garmin Connect™ and optional Connect IQ™ widget)Yes (in Garmin Connect™ and optional Connect IQ™ widget)
Hydration trackingYes (in Garmin Connect and optional Connect IQ widget)Yes (in Garmin Connect and optional Connect IQ widget)
Health SnapshotNoYes

SAFETY AND TRACKING FEATURES

LivetrackYesYes
Group LivetrackNoNo
Live event sharingYes (Android only)Yes (Android only)
Incident detection during select activitiesYesYes
AssistanceYesYes
Spectator Messaging (New)NoNo
Assistance Plus (New)NoNo

TACTICAL FEATURES

Stealth modeNoNo
Night vision modeNoNo
Dual Grid CoordinatesNoNo
Kill switchNoNo

ACTIVITY TRACKING FEATURES

Steps CounterYesYes
Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it)YesYes
Auto goal (learns your activity level and assigns a daily step goal)YesYes
Sleep monitoring (monitors total sleep and periods of movement or restful sleep)YesYes
Calories burnedYesYes
Floors climbedNoYes
Distance travelledYesYes
Intensity minutesYesYes
TrueupYesYes
Move IQ

YesYes

GYM & FITNESS EQUIPMENT

Available gym activity profilesStrength, cardio and elliptical training, stair stepping, indoor rowing and yogaStrength, HIIT, cardio and elliptical training, stair stepping, floor climbing, indoor rowing, pilates and yoga
Cardio workoutsYesYes
Strength workoutsYesYes
HIIT workoutsNoYes
Yoga workoutsNoYes
Pilates workoutsNoYes
On-screen workout animationsNoYes
Automatic rep countingYesYes
On-screen workout muscle mapsNoYes

TRAINING, PLANNING & ANALYSIS FEATURES

GPS speed and distanceYesYes
Customizable data pagesYesYes
Customizable activity profilesYesYes
Auto PauseYesYes
Interval trainingYesYes
Improved interval (Includes open repeats, intervals data page, rest screen and auto detection) (New)NoYes
Advanced workoutsYesYes
Downloadable training plansYesYes
Power modes - customizable in-activity battery settingsNoNo
Auto lapYesYes
Manual lapYesYes
Rest timer (New)NoYes
Configurable lap alertsYesYes
Heat and altitude acclimationNoNo
VO2 Max. (Run)YesYes
VO2 Max. (Trail run)YesYes
Real-Time staminaNoNo
Training status (lets you see if you're training effectively by tracking your training history and fitness level trend.)YesYes
Training load (your total training load for the last 7 days calculated from estimated epoc)YesYes
Training load focusNoYes
Training effect (aerobic)YesYes
Training effect (anaerobic)YesYes
Primary Benefit (training effect labels)NoYes
Improved Recovery Time (New)YesYes
Daily Suggested Workouts (New)YesYes (7 days)
Custom alertsYesYes
Audio promptsYesYes
Finish timeYesYes
Virtual partnerYesYes
Race an activityYesYes
Auto multisport activitiesNoYes
Manual multisport activitiesNoYes
Course guidanceYesYes
Garmin Live SegmentsNoNo
Strava Live SegmentsNoNo
Round-Trip course creator (running/cycling)NoNo
Trendline Popularity RoutingNoNo
Touch and/or button lockYesYes
Hot keysNoNo
Auto scrollYesYes
Activity history on watchYesYes
Physio TrueupYesYes

HEART RATE TRACKING FEATURES

HR zonesYesYes
HR alertsYesYes
HR caloriesYesYes
% HR max.YesYes
% HRRYesYes
Recovery timeYesYes
Auto max HRYesYes
Morning report (New)NoYes
Race glance/widget (New)NoYes
HRV status (New)NoYes
Training readiness (New)NoNo
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)NoNo
HR broadcast (broadcasts HR data over ANT+ to paired devices)YesYes
Respiration rate (during exercise)YesYes

RUNNING FEATURES

Available run profilesRunning, treadmill running, indoor track running, outdoor track running, trail running and virtual runningRunning, outdoor track running, treadmill running, indoor track running, trail running, virtual running and ultra running
GPS-based distance, time and paceYesYes
Running dynamicsYes (with compatible accessory)Yes (with compatible accessory)
Vertical oscillation and ratio (the degree of 'bounce' in your running motion and the cost-benefit ratio with stride length)Yes (with compatible accessory)Yes (with compatible accessory)
Ground contact time and balance (shows how much time, in the running motion, your foot is on the ground rather than in flight and lets you check your running symmetry)Yes (with compatible accessory)Yes (with compatible accessory)
Stride length (real time)Yes (with compatible accessory)Yes (with compatible accessory)
Cadence (provides real-time number of steps per minute)YesYes
Running power (New)NoYes (with compatible accessory)
Performance condition (after running 20 minutes, compares your real-time condition to your average fitness level)YesYes
Lactate threshold (through analysis of your pace and heart rate, estimates the point where your muscles start to rapidly fatigue)NoYes (with compatible accessory)
PacePro pacing strategiesYesYes
Run workoutsYesYes
Race predictorYesYes
Course and weather-specific race predictor (New)NoYes
Foot Pod CapableYesYes
Run/Walk/Stand detectionNoYes

GOLF FEATURES

Preloaded with 42,000 courses worldwideNoNo
Yardage to F/M/B (distance to front, middle and back of green)NoNo
Yardage to layups/doglegsNoNo
Measures shot distance (calculates exact yardage for shots from anywhere on course)NoNo
Digital ScorecardNoNo
Custom targetsNoNo
Stat tracking (strokes, putts per round, greens and fairways hit)NoNo
Garmin AutoshotNoNo
Full vector mapNoNo
Auto Courseview updatesNoNo
Green view with manual pin positionNoNo
Hazards and course targetsNoNo
PinpointerNoNo
Playslike distanceNoNo
Touch-targeting (touch target on display to see the distance to any point) (New)NoNo
Handicap scoringNoNo
Truswing compatibleNoNo
Round timer/odometerNoNo
Automatic club tracking compatible (requires accessory)NoNo
Tournament LegalNoNo

OUTDOOR RECREATION

Available outdoor recreation profilesNoneHiking, skiing, snowboarding, XC classic skiing, stand Up paddleboarding and rowing
Point-to-Point navigationYesYes
Bread crumb trail in real timeYesYes
Back to startYesYes
TracbacKYesYes
Ultratrac ModeYesYes
Around me modeNoNo
Up aheadNoYes
Elevation profileNoYes
Distance to destinationYesYes
Barometric trend indicator with storm alertNoYes
ClimbPro ascent plannerNoNo
Trail run auto climbNoNo
Vertical speedNoYes
Total ascent/descentNoYes
Future elevation plotNoYes
Preloaded Topographical mapsNoNo
Preloaded road and trail maps (New)NoNo
Preloaded Ski resort mapsNoNo
Downloadable cartography supportNoNo
Compatible with BasecampNoNo
GPS coordinatesYesYes
Sight 'N GONoNo
Area calculationNoNo
Hunt/fish calendarNoNo
Projected waypointNoYes
Sun and moon informationNoYes
Xero locationsNoNo
Expedition GPS activityNoNo
TidesNoNo

CYCLING FEATURES

Available cycling profilesOutdoor biking and indoor bikingBiking, indoor biking, mountain biking, eBiking and eMountain biking
Alerts (triggers alarm when you reach goals including time, distance, heart rate or calories)YesYes
CoursesYesYes
MTB Grit & FlowNoNo
Cycle map (routable cycling-specific street map)NoNo
Bike lap and lap maximum power (with power sensor)NoYes
Race an activityYesYes
FTP (Functional Threshold Power)NoYes
Compatible with Vector (Power Meter)NoYes
Power Meter compatibleNoYes
Advanced cycling dynamicsNoNo
Compatible with Varia Vision (head-mounted display)YesYes
Compatible with Varia Radar (Rear-Facing Radar)YesYes
Compatible with Varia LightsYesYes
Speed and cadence sensor support (with sensor)Yes (ANT+ and Bluetooth Smart sensors)Yes (ANT+ and Bluetooth Smart sensors)

SWIMMING FEATURES

Available swim profilesPool swimmingPool swimming and open water swimming
Open-water swim metrics (distance, pace, stroke count/rate, stroke distance, swim efficiency (SWOLF), calories)NoYes
Pool swim metrics (lengths, distance, pace, stroke count, swim efficiency (SWOLF), calories)YesYes
Stroke type detection (freestyle, backstroke, breaststroke, butterfly) (pool swim only)YesYes
Drill logging (pool swim only)YesYes
Basic rest timer (up from 0) (pool swim only)YesYes
"Repeat on" rest timer (pool swim only) (New)YesYes
Auto rest (pool swim only) (New)YesYes
Time and distance alertsNoYes
Pacing alerts (pool swim only) (New)NoYes
Countdown start (pool swim only)NoYes
Pool swim workoutsYesYes
Critical swim speed (New)NoYes
Underwater wrist-based heart rateYesYes
Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim)YesYes

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