Garmin Forerunner 255S

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Garmin Forerunner 255S: The Highlights

The ​Forerunner is a running watch family by Garmin.

The latest model in the family is the Garmin Forerunner 955.

According to our analysis of prices across the internet, at current rates it's in the most expensive 40% of running watches.

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Garmin Forerunner 255S
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priceBand
Price band
released
Released
Jun 2022Dec 2014Jan 2022
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Expert Review Score












Battery life
Battery life
288 hours
1220 hours
336 hours
480 hours
384 hours
Battery life – GPS mode
Battery life – GPS mode
26 hours
105 hours
162 hours
49 hours
24 hours
42 hours
Screen size
Screen size
28 mm
20 mm
30 mm
33 mm
36 mm
33 mm
Weight
Weight
39 g
43 g
58 g
53 g
85 g
76 g
Height
Height
41 mm
40 mm
42 mm
47 mm
51 mm
47 mm
Resolution
Resolution
218 x 218 px
156 x 156 px
240 x 240 px
260 x 260 px
205 x 148 px
416 x 416 px
Waterproof depth
Waterproof depth
50 m
100 m
100 m
50 m
50 m
100 m
Pixel density
Pixel density
280 ppi
276 ppi
282 ppi
282 ppi
452 ppi
Internal storage
Internal storage
4 GB
0 GB
32 GB
32 GB
8 GB
16 GB
Activity Tracking Features
Activity Tracking Features
Activity detectionActivity taggingCoachingDistance trackingElevation trackingGoal settingLive trackingPace measurementRoute uploadsSteps trackingSwim stroke counterSwim stroke recognition
Activity detectionActivity taggingCoachingDistance trackingElevation trackingGoal settingLive trackingPace measurementRoute uploadsSteps trackingSwim stroke counterSwim stroke recognitionTrackback modeActivity detectionActivity taggingCoachingDistance trackingElevation trackingGoal settingLive trackingPace measurementRoute uploadsSteps trackingSwim stroke counterSwim stroke recognitionActivity detectionActivity taggingCoachingDistance trackingElevation trackingGoal settingLive trackingPace measurementRoute uploadsSteps trackingSwim stroke counterSwim stroke recognitionDistance trackingGoal settingSteps trackingSwim stroke counterSwim stroke recognitionActivity detectionActivity taggingCoachingDistance trackingElevation trackingGoal settingLive trackingPace measurementRoute uploadsSteps trackingSwim stroke counterSwim stroke recognition
Connectivity Types
Connectivity Types
ANT+Automatic syncingCloud syncingNFCWireless syncing
ANT+Automatic syncingCloud syncingNFCWireless syncingANT+Automatic syncingCloud syncingNFCWi-FiWireless syncingANT+Automatic syncingCloud syncingNFCWi-FiWireless syncingANT+Wireless syncingANT+Automatic syncingCloud syncingMac OS X compatibleNFCWi-FiWireless syncing
Sensors
Sensors
AccelerometerBarometerBlood oxygenation monitorBody temperature sensorCompassGalileoGPSGyroscopeHeart rate monitor
AccelerometerBarometerBlood oxygenation monitorBody temperature sensorCompassGalileoGPSGyroscopeHeart rate monitorMonitors perspirationAccelerometerBarometerBlood oxygenation monitorBody temperature sensorCompassGPSGyroscopeHeart rate monitorAccelerometerBarometerBlood oxygenation monitorBody temperature sensorCompassGalileoGPSGyroscopeHeart rate monitor3D compassAccelerometerBarometerCompassGPSAccelerometerBarometerBlood oxygenation monitorBody temperature sensorCompassGalileoGPSGyroscopeHeart rate monitorMonitors perspiration
Alerts
Alerts
Inactivity alertsIrregular heart rate warningsSilent alarmVibrating alerts
Inactivity alertsIrregular heart rate warningsSilent alarmVibrating alertsInactivity alertsIrregular heart rate warningsSilent alarmSmart alarmVibrating alertsInactivity alertsIrregular heart rate warningsSilent alarmVibrating alertsInactivity alertsInactivity alertsIrregular heart rate warningsSilent alarmVibrating alerts
Supported peripherals
Supported peripherals
Compatible heart monitorCompatible smart scales
Compatible heart monitorCompatible smart scalesCompatible heart monitorCompatible smart scalesCompatible heart monitorCompatible smart scales
Compatible heart monitorCompatible smart scales
Screen features
Screen features
Always-on displayDamage resistant glassForce touch
Always-on displayAlways-on displaySapphire glassTouch screenAlways-on displayDamage resistant glassTouch screenTouch screenAlways-on displayDamage resistant glassOLED/AMOLED displayTouch screen
Battery features
Battery features
Battery level indicatorRechargeable battery
Battery level indicatorRechargeable batterySolar powerWireless chargingBattery level indicatorRechargeable batterySolar powerWireless chargingBattery level indicatorRechargeable batterySolar powerBattery level indicatorRechargeable batteryBattery level indicatorRechargeable batteryWireless charging
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Evolution of the ​Garmin Forerunner product family

Garmin Forerunner 255S characteristics and specifications

Specificationsvs Average
Model
255S
System
Internal storage
4 GB
Measurements
Volume
21 cm³
Strap width
18 mm
Width
41 mm
Height
41 mm
Thickness
12 mm
Weight
39 g
Waterproofing
Waterproof depth
50 m
Screen
Pixel density
280 ppi
Resolution
218 x 218 px
Screen size
28 mm
Battery
Battery life – GPS mode
26 hours
Battery life
288 hours