Garmin Fenix 6S vs Garmin Forerunner 645

Design:

Garmin Fenix 6S
Design

Garmin Fenix 6S is a sports watch that is great for multi-sports. People who love to track and do activities like running, cycling, and exercise will be able to track their daily activities and heart rate as well. This watch is designed in such a way that it doesn't take too much of the wrist real estate. The lens material is corning Gorilla glass and the bezel is made of stainless steel. The case material is a fine fiber-reinforced polymer with a metal rear cover. The color Garmin Fenix 6s is available in Silver with Black Band. 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:

1.2"

Screen Size

1.2"

Touch Screen

240 x 240px

Resolution

240 x 240px
58g

Weight

41.8g

Waterproof

45°C

Max Temperature

-20°C

Min Temperature

Replaceable Band

20mm

Band Width

20mm

Screen protection

216

Battery Life

168

Charging Time

Garmin Fenix 6S
Specifications

There are a lot of specifications for Garmin Fenix 6S. The display is colored and the size of the screen is around 1.20”. There is no touchscreen available. The display resolution of Garmin Fenix 6s is 240 x 240 pixels. The total weight of this product is around 58g. Also, it is waterproof and therefore has a depth rating of up to 10 ATM. The maximum operating temperature range is from -20º to 45ºC. With a replaceable watchband, one can change the outlook of their watch. The watch is protected through Corning Gorilla Glass 3. The battery life of this product is around up to 9 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 Fenix 6S
Activity Tracking:

Garmin Fenix 6S has the availability of GPS, GLONASS, and GALILEO. There is a route tracker available that will help track the activities. There is a heart rate monitor available known as the Garmin Elevate wrist heart rate monitor. It will monitor the blood oxygenation level. It will track the distance, and the steps taken in a day and also will track the elevation crossed in the day. There is a cadence sensor available that will track the average cadences in a day. With a sleep tracker, it will track the sleep type of the user. There is a calorie intake available that will track the calories per day. 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 Fenix 6S
Compatibility & Connectivity

The Garmin Fenix 6S is compatible with both Android and iOS devices. It uses Bluetooth wireless technology which will help connect with other devices too. It also provides navigation with compatible devices. It also supports the ANT+ protocol for better connectivity by using low energy. It will also keep the user updated by providing notifications so users will receive texts, emails, and alerts and won’t miss any important updates. . It also uploads wireless data directly to Garmin Connects online fitness community and other social media sharing through this application and has call control option and shows if the user receives any call. 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 Fenix 6S Pros

  • Detailed activity tracking
  • Outdoor tracking is awesome
  • A slimmed design
  • Provides altitude pacing data
  • Good battery life
  • Very easy-to-use interface.

Garmin Forerunner 645 Pros

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

Garmin Fenix 6S Cones

  • Design doesn’t go with everyday outfit.
  • Expensive
  • Feels a bit heavy
  • Smartwatch functionality is a bit limited

Garmin Forerunner 645 Cones

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

Design:

Garmin Fenix 6S
Design

Garmin Fenix 6S is a sports watch that is great for multi-sports. People who love to track and do activities like running, cycling, and exercise will be able to track their daily activities and heart rate as well. This watch is designed in such a way that it doesn't take too much of the wrist real estate. The lens material is corning Gorilla glass and the bezel is made of stainless steel. The case material is a fine fiber-reinforced polymer with a metal rear cover. The color Garmin Fenix 6s is available in Silver with Black Band. 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:

1.2""

Screen Size

1.2""

Touch Screen

240 x 240px

Resolution

240 x 240px
58gg

Weight

41.8gg
-20°C℃

Min Temperature

Replaceable Band

20mmmm

Band Width

20mmmm
45°C℃

Max Temperature

Waterproof

Screen protection

216h

Battery Life

168h

Garmin Fenix 6S
Specifications

There are a lot of specifications for Garmin Fenix 6S. The display is colored and the size of the screen is around 1.20”. There is no touchscreen available. The display resolution of Garmin Fenix 6s is 240 x 240 pixels. The total weight of this product is around 58g. Also, it is waterproof and therefore has a depth rating of up to 10 ATM. The maximum operating temperature range is from -20º to 45ºC. With a replaceable watchband, one can change the outlook of their watch. The watch is protected through Corning Gorilla Glass 3. The battery life of this product is around up to 9 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:

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 Fenix 6S
Activity Tracking:

Garmin Fenix 6S has the availability of GPS, GLONASS, and GALILEO. There is a route tracker available that will help track the activities. There is a heart rate monitor available known as the Garmin Elevate wrist heart rate monitor. It will monitor the blood oxygenation level. It will track the distance, and the steps taken in a day and also will track the elevation crossed in the day. There is a cadence sensor available that will track the average cadences in a day. With a sleep tracker, it will track the sleep type of the user. There is a calorie intake available that will track the calories per day. 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 Fenix 6S
Compatibility & Connectivity

The Garmin Fenix 6S is compatible with both Android and iOS devices. It uses Bluetooth wireless technology which will help connect with other devices too. It also provides navigation with compatible devices. It also supports the ANT+ protocol for better connectivity by using low energy. It will also keep the user updated by providing notifications so users will receive texts, emails, and alerts and won’t miss any important updates. . It also uploads wireless data directly to Garmin Connects online fitness community and other social media sharing through this application and has call control option and shows if the user receives any call. 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 Fenix 6S Pros

  • Detailed activity tracking
  • Outdoor tracking is awesome
  • A slimmed design
  • Provides altitude pacing data
  • Good battery life
  • Very easy-to-use interface.

Garmin Forerunner 645 Pros

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

Garmin Fenix 6S Cones

  • Design doesn’t go with everyday outfit.
  • Expensive
  • Feels a bit heavy
  • Smartwatch functionality is a bit limited

Garmin Forerunner 645 Cones

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