Garmin Forerunner 620 vs Garmin Forerunner 645

Design:

Garmin Forerunner 620
Design

The Garmin Forerunner 620 is a smartwatch that helps users perform various running activities as it's the first running watch. This watch will provide feedback on the running that the user did. This way they will analyze whether the run they had was worth it or not as it provides multiple metrics. The running dynamics of the Garmin forerunner 620 are amazing. The strap material is made of rubbery plastic which is quite nice and stays well secured to the user's wrist. The 0closely spaced holes keep the fit just about right. It’s available in these pretty co0loyurs i.e. black, blue and white orange. 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:

1"

Screen Size

1.2"

Touch Screen

180 x 180px

Resolution

240 x 240px
43g

Weight

41.8g

Waterproof

Max Temperature

Min Temperature

Replaceable Band

Band Width

20mm

Screen protection

1008

Battery Life

168

Charging Time

Garmin Forerunner 620
Specifications

There are various specifications of Garmin forerunner 620 like the screen size of the product is around 1.0" (25.4 mm) diameter. There is the availability of a touchscreen and also provide a color display. The screen resolution is 180 x 180 pixels the total weight of this product is around 1.5 oz. which is around 43.6g. The smartwatch is also waterproof and has a depth rating of up to 5 ATM. The watch band is replaceable and therefore can be paired with any outfit they want to pair it with. The battery type is Rechargeable lithium-ion and lasts up to 6 weeks. 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 620
Activity Tracking:

Tracking features of Garmin forerunner 620 includes the availability of GPS and an accelerometer. There is a route tracker which tracks the route of the user. Although, there is no optical heart rate monitor available that6 can track the heart rate of the user therefore it cannot monitor the blood oxygenation level. It detects user activities automatically such as the distance traveled, the steps taken in a day and the elevation crossed. There is a cadence sensor that will calculate the average cadences in a day. There is no sleep tracker available. The multi-sports mode is available and features various challenges. 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 620
Compatibility & Connectivity

There are various compatibility features that Garmin Forerunner 620 holds like it provides connectivity features with both android and iPhone devices. It is compatible with Garmin connect app and users can send their data to their online friend community without connecting it to their computer. Because the 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. There is live tracking available that allows user’s friend to see their real-time stats. 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 620 Pros

  • Lightweight
  • Accurate running stats
  • Easy-to-use interface
  • Great battery life
  • Instant Wi-Fi sync
  • Water-proof

Garmin Forerunner 645 Pros

  • Lightweight
  • Easy to read
  • Comfortable to carry all-day
  • Physical buttons present
  • Great battery life
  • Advanced running metrics

Garmin Forerunner 620 Cones

  • Touchscreen gets unresponsive sometimes
  • The small size of the screen
  • The menu system is clunky
  • Styling is not fancy

Garmin Forerunner 645 Cones

  • No touchscreen
  • Glitchy Bluetooth connection
  • The music app is limited
  • Expensive

Design:

Garmin Forerunner 620
Design

The Garmin Forerunner 620 is a smartwatch that helps users perform various running activities as it's the first running watch. This watch will provide feedback on the running that the user did. This way they will analyze whether the run they had was worth it or not as it provides multiple metrics. The running dynamics of the Garmin forerunner 620 are amazing. The strap material is made of rubbery plastic which is quite nice and stays well secured to the user's wrist. The 0closely spaced holes keep the fit just about right. It’s available in these pretty co0loyurs i.e. black, blue and white orange. 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:

1""

Screen Size

1.2""

Touch Screen

180 x 180px

Resolution

240 x 240px
43gg

Weight

41.8gg

Min Temperature

Replaceable Band

mm

Band Width

20mmmm

Max Temperature

Waterproof

Screen protection

1008h

Battery Life

168h

Garmin Forerunner 620
Specifications

There are various specifications of Garmin forerunner 620 like the screen size of the product is around 1.0" (25.4 mm) diameter. There is the availability of a touchscreen and also provide a color display. The screen resolution is 180 x 180 pixels the total weight of this product is around 1.5 oz. which is around 43.6g. The smartwatch is also waterproof and has a depth rating of up to 5 ATM. The watch band is replaceable and therefore can be paired with any outfit they want to pair it with. The battery type is Rechargeable lithium-ion and lasts up to 6 weeks. 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:

h

Charging Time

h

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 620
Activity Tracking:

Tracking features of Garmin forerunner 620 includes the availability of GPS and an accelerometer. There is a route tracker which tracks the route of the user. Although, there is no optical heart rate monitor available that6 can track the heart rate of the user therefore it cannot monitor the blood oxygenation level. It detects user activities automatically such as the distance traveled, the steps taken in a day and the elevation crossed. There is a cadence sensor that will calculate the average cadences in a day. There is no sleep tracker available. The multi-sports mode is available and features various challenges. 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 620
Compatibility & Connectivity

There are various compatibility features that Garmin Forerunner 620 holds like it provides connectivity features with both android and iPhone devices. It is compatible with Garmin connect app and users can send their data to their online friend community without connecting it to their computer. Because the 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. There is live tracking available that allows user’s friend to see their real-time stats. 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 620 Pros

  • Lightweight
  • Accurate running stats
  • Easy-to-use interface
  • Great battery life
  • Instant Wi-Fi sync
  • Water-proof

Garmin Forerunner 645 Pros

  • Lightweight
  • Easy to read
  • Comfortable to carry all-day
  • Physical buttons present
  • Great battery life
  • Advanced running metrics

Garmin Forerunner 620 Cones

  • Touchscreen gets unresponsive sometimes
  • The small size of the screen
  • The menu system is clunky
  • Styling is not fancy

Garmin Forerunner 645 Cones

  • No touchscreen
  • Glitchy Bluetooth connection
  • The music app is limited
  • Expensive