Garmin Forerunner 255S vs Garmin Forerunner 645
Design:
Garmin Forerunner 255S
Design
Garmin Forerunner 255S is made specifically for people who always complain about Garmin watches not fitting on their wrists. It’s the revolution for those people, as it’s a great multisport watch. People who have small wrists can easily wear it as it won’t disrupt the tracking calculations and therefore they will get everything précised. Similarly, the material of the band is made using silicone which makes it super comfortable to wear. Also, the protection is given to the Garmin forerunner 255S by using the Corning® Gorilla® Glass. It’s available in these two beautiful colors i.e. Light Pink and Powder Gray. Read More
Garmin Forerunner 645
Design
Forerunner 645 is the smartwatch that lets the user run and has a track without feeling the need for their phone on their side. By using this, watch, one will easily run without missing out on any smart features. This watch has all the modern features like responding to your emails, and message and therefore provide all important updates. The lens material of the product is made of corning gorilla glass. Similarly, the strap material is made of silicone and the bezel material is made of highly durable stainless steel. The forerunner 645 is available in these colors i.e. black, cerise color, and sandstone. Read More
Specifications:
Screen Size
Touch Screen
Resolution
Weight
Waterproof
Max Temperature
Min Temperature
Replaceable Band
Band Width
Screen protection
Battery Life
Charging Time
Garmin Forerunner 255S
Specifications
The Garmin forerunner 255S has various specifications like the screen size of the product is around 1.1 inches and it's made by using the transflective memory-in-pixel (MIP). The feature of the touchscreen is not available. The resolution of the screen is 218 x 218 pixels. Also, it's waterproof and has a depth rating of up to 5ATM. The total weight of this product is around 39 g. The watch band is replaceable and users can have a new band when they feel the need to change their style. For protection, the gorilla glass version is available. The battery life of the product is around 12 days. Read Full Specs
Garmin Forerunner 645
Specifications
The forerunner 645 has a screen size of 1.2" (30.4 mm) diameter. There is no touchscreen available. The screen resolution of the product is 240 x 240 pixels. The total weight of forerunner 645 is around 41.8g. Also, it’s waterproof and has a depth rating of up to 5 ATM. The maximum operating temperature range is from -20º to 60ºC (from -4º to 140ºF). The watch band is replaceable and therefore one can change it based on their need. Equipped with a gorilla glass version, the battery life last up to 7 days. And with GPS mode it will last up to 14 days. Read Full Specs
Activity Tracking:
GPS Tracking
Route Tracking
Heart Rate Monitoring
Blood Oxygenation
Activity Detection
Distance Tracking
Step Tracking
Elevation Tracking
Bike Ccadence Monitoring
Sleep Tracking
Calories Intake Tracking
Calories Burned Tracking
Weight Tracking
Water Intake Tracking
Body Temperature
Sport Activities Tracking
Garmin Forerunner 255S
Activity Tracking:
There are multiple tracking features that the Garmin forerunner 255S holds like the availability of GPS, GALILEO, and GLONASS. It has a route tracker available along with a wrist-based heart rate monitor. This is compatible with a chest heart rate monitor that will help in giving precise heart rate data. It also tracks the distance, the elevation crossed in a day and the steps taken in a day. The cadence sensor help calculates the average cadence in a day. The sleep tracker is also available. The calories burned in a day will be calculated along with a weight tracker. Read More
Garmin Forerunner 645
Activity Tracking:
There are various tracking features that the forerunner 645 adheres like the availability of GPS which will track the precise location of the user. Similarly, it is also equipped with a route tracker. There is a heart rate monitor available that will monitor the blood oxygenation levels. It also detects all the activities automatically like the distance traveled, the steps taken in a day, and an elevation crossed. The cadence sensor will calculate the average cadences in a day. The sleep tracker is also present. The weight tracking and calories burnt are also calculated. Lastly, with multi-sports mode available it will let the user perform various challenges. Read More
Compatibility & Connectivity
Android Compatibilty
IOS Compatibilty
Mac OS Compatibility
Syncs Wirelessly
Automatic Syncing
Wi-Fi Module
Cellular Module
Call Control
Sport Activities Tracking
Camera Remote Control
Garmin Forerunner 255S
Compatibility & Connectivity
The Garmin Forerunner 255S is compatible with Android and iOS devices. It is compatible with all new and modern devices. It is compatible with Garmin connect app and users can sync the data wirelessly using the Bluetooth pairing feature. Also, it has the availability of connect IQ. Garmin Forerunner 230 provides smart notifications so users can never miss any important update like any important text, or phone call notification. Users can control smartphone music with this smartwatch. It also provides weather and calendar updates so hikers can check whether it’s a good day for a hike or not. There are no call control options so user cannot answer their calls using a smartwatch. Read More
Garmin Forerunner 645
Compatibility & Connectivity
Garmin Forerunner 645 is found compatible with both Android and iOS users. It provides compatibility with Garmin maps as well. We can connect it to other devices wirelessly using Bluetooth technology. Moreover, it is also found compatible with Windows or Mac. It also provides inclusive navigation when paired with these compatible devices. It also supports the ANT+ protocol for better connectivity by using low energy. It also uploads wireless data directly to Garmin Connects online fitness community and other social media sharing through this application. This also helps you to see the route you have traveled, and you can view the distance covered and activities summary as well. Read More
Bottom Line
Garmin Forerunner 255S Pros
- There are two sizes available in this series.
- Precise GPS tracking.
- Multi-sport mode is available.
- Two music variants are available.
- Great battery life.
- V4 Sensor.
Garmin Forerunner 645 Pros
- Lightweight
- Easy to read
- Comfortable to carry all-day
- Physical buttons present
- Great battery life
- Advanced running metrics
Garmin Forerunner 255S Cones
- No touchscreen is available.
- No real-time stamina feature.
- Solar charging unavailability.
- Lacks the training readiness score.
Garmin Forerunner 645 Cones
- No touchscreen
- Glitchy Bluetooth connection
- The music app is limited
- Expensive
Design:
Garmin Forerunner 255S
Design
Garmin Forerunner 255S is made specifically for people who always complain about Garmin watches not fitting on their wrists. It’s the revolution for those people, as it’s a great multisport watch. People who have small wrists can easily wear it as it won’t disrupt the tracking calculations and therefore they will get everything précised. Similarly, the material of the band is made using silicone which makes it super comfortable to wear. Also, the protection is given to the Garmin forerunner 255S by using the Corning® Gorilla® Glass. It’s available in these two beautiful colors i.e. Light Pink and Powder Gray. Read More
Garmin Forerunner 645
Design
Forerunner 645 is the smartwatch that lets the user run and has a track without feeling the need for their phone on their side. By using this, watch, one will easily run without missing out on any smart features. This watch has all the modern features like responding to your emails, and message and therefore provide all important updates. The lens material of the product is made of corning gorilla glass. Similarly, the strap material is made of silicone and the bezel material is made of highly durable stainless steel. The forerunner 645 is available in these colors i.e. black, cerise color, and sandstone. Read More
Specifications:
Screen Size
Touch Screen
Resolution
Weight
Min Temperature
Replaceable Band
Band Width
Max Temperature
Waterproof
Screen protection
Battery Life
Garmin Forerunner 255S
Specifications
The Garmin forerunner 255S has various specifications like the screen size of the product is around 1.1 inches and it's made by using the transflective memory-in-pixel (MIP). The feature of the touchscreen is not available. The resolution of the screen is 218 x 218 pixels. Also, it's waterproof and has a depth rating of up to 5ATM. The total weight of this product is around 39 g. The watch band is replaceable and users can have a new band when they feel the need to change their style. For protection, the gorilla glass version is available. The battery life of the product is around 12 days. Read More
Garmin Forerunner 645
Specifications
The forerunner 645 has a screen size of 1.2" (30.4 mm) diameter. There is no touchscreen available. The screen resolution of the product is 240 x 240 pixels. The total weight of forerunner 645 is around 41.8g. Also, it’s waterproof and has a depth rating of up to 5 ATM. The maximum operating temperature range is from -20º to 60ºC (from -4º to 140ºF). The watch band is replaceable and therefore one can change it based on their need. Equipped with a gorilla glass version, the battery life last up to 7 days. And with GPS mode it will last up to 14 days. Read More
Activity Tracking:
Charging Time
GPS Tracking
Route Tracking
Heart Rate Monitoring
Blood Oxygenation
Activity Detection
Distance Tracking
Step Tracking
Elevation Tracking
Bike Ccadence Monitoring
Sleep Tracking
Calories Intake Tracking
Calories Burned Tracking
Weight Tracking
Water Intake Tracking
Body Temperature
Sport Activities Tracking
Garmin Forerunner 255S
Activity Tracking:
There are multiple tracking features that the Garmin forerunner 255S holds like the availability of GPS, GALILEO, and GLONASS. It has a route tracker available along with a wrist-based heart rate monitor. This is compatible with a chest heart rate monitor that will help in giving precise heart rate data. It also tracks the distance, the elevation crossed in a day and the steps taken in a day. The cadence sensor help calculates the average cadence in a day. The sleep tracker is also available. The calories burned in a day will be calculated along with a weight tracker. Read More
Garmin Forerunner 645
Activity Tracking:
There are various tracking features that the forerunner 645 adheres like the availability of GPS which will track the precise location of the user. Similarly, it is also equipped with a route tracker. There is a heart rate monitor available that will monitor the blood oxygenation levels. It also detects all the activities automatically like the distance traveled, the steps taken in a day, and an elevation crossed. The cadence sensor will calculate the average cadences in a day. The sleep tracker is also present. The weight tracking and calories burnt are also calculated. Lastly, with multi-sports mode available it will let the user perform various challenges. Read More
Compatibility & Connectivity
Android Compatibilty
Mac OS Compatibility
Syncs Wirelessly
Automatic Syncing
Wi-Fi Module
Cellular Module
Call Control
Sport Activities Tracking
Garmin Forerunner 255S
Compatibility & Connectivity
The Garmin Forerunner 255S is compatible with Android and iOS devices. It is compatible with all new and modern devices. It is compatible with Garmin connect app and users can sync the data wirelessly using the Bluetooth pairing feature. Also, it has the availability of connect IQ. Garmin Forerunner 230 provides smart notifications so users can never miss any important update like any important text, or phone call notification. Users can control smartphone music with this smartwatch. It also provides weather and calendar updates so hikers can check whether it’s a good day for a hike or not. There are no call control options so user cannot answer their calls using a smartwatch. Read More
Garmin Forerunner 645
Compatibility & Connectivity
Garmin Forerunner 645 is found compatible with both Android and iOS users. It provides compatibility with Garmin maps as well. We can connect it to other devices wirelessly using Bluetooth technology. Moreover, it is also found compatible with Windows or Mac. It also provides inclusive navigation when paired with these compatible devices. It also supports the ANT+ protocol for better connectivity by using low energy. It also uploads wireless data directly to Garmin Connects online fitness community and other social media sharing through this application. This also helps you to see the route you have traveled, and you can view the distance covered and activities summary as well. Read More
Bottom Line
Garmin Forerunner 255S Pros
- There are two sizes available in this series.
- Precise GPS tracking.
- Multi-sport mode is available.
- Two music variants are available.
- Great battery life.
- V4 Sensor.
Garmin Forerunner 645 Pros
- Lightweight
- Easy to read
- Comfortable to carry all-day
- Physical buttons present
- Great battery life
- Advanced running metrics
Garmin Forerunner 255S Cones
- No touchscreen is available.
- No real-time stamina feature.
- Solar charging unavailability.
- Lacks the training readiness score.
Garmin Forerunner 645 Cones
- No touchscreen
- Glitchy Bluetooth connection
- The music app is limited
- Expensive