Garmin Forerunner 225 vs Garmin Forerunner 645

Design:

Garmin Forerunner 225
Design

The Garmin forerunner series has become very popular because of its amazing features. Forerunner 225 is the first Garmin GPS running watch. It is a lightweight watch and can be comfortably worn on your wrist. Its graphic interface shows your zone and beats per minute at a glance. Users can track their running performance and calories burnt during a workout. This device has more advanced features than other Garmin Forerunner series like automatically uploading to Garmin Connect, live tracking, social media sharing, etc. You can use it without a strap during any activity because it has built-in sensors for measuring heart rate and pace. Customized workouts can also be created. Furthermore, it offers vibration alerts to keep you active. 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
54g

Weight

41.8g

Waterproof

Max Temperature

Min Temperature

Replaceable Band

Band Width

20mm

Screen protection

Battery Life

168

Charging Time

Garmin Forerunner 225
Specifications

Garmin Forerunner 225 is a GPS running watch that comes with several specifications. The screen size is around 1 inch. The dimensions of the watch are 1.8 x 1.9 x 0.6 inches. It has wireless display features. The scanner has a resolution of about 180 x 180 pixels. It weighs about 4.6 ounces. It comes with advanced features like auto lapse, auto pause, auto-scroll, etc. It has a graphic interface that shows different colors for different activities like a warm-up, aerobics, etc. It also contains customizable data pages. Also, it's waterproof and therefore has a 5 ATM water rating. 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 225
Activity Tracking:

Garmin Forerunner 225 has a lot of tracking features to offer. You don't have to wear several bands to keep track of your performance. It has a built-in GPS which will help precisely record the pace speed and distance traveled. This watch has dual functions. It can work as a watch and activity tracker at the same time. Calories and heart rate can be determined. A pre-installed accelerometer will provide distance and pace data. Even when you are running outdoors, you don't need a foot pod for distance tracking. Along with all this, it can also monitor your sleep. Moreover, the move bar feature makes it even more interesting. It motivates users to move when they have been sitting too long by using a vibration alert. 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 225
Compatibility & Connectivity

It is a modest and elegant GPS watch that tracks distance and keeps a record of your time. It also identifies personal records like running etc. A virtual pacer is attached that compares the current pace to the target that you have set. You can also plan and share your running record at the Garmin Connect app. Users can also save summaries so that they can check how many miles they have covered. Even near tall buildings, the high-sensitivity GPS receiver remains locked on satellites. Moreover, it comes with GPS with preinstalled maps of North America. This will guide you to your path with the help of a map. 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 225 Pros

  • Pre-installed accelerometer
  • GPS sensor
  • Running and calories tracker
  • Heart and sleep rate tracking
  • Graphic interface
  • 5 ATM water resistance

Garmin Forerunner 645 Pros

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

Garmin Forerunner 225 Cones

  • No topographic maps
  • Doesn’t have sensors like Altimeter, Barometer, or Calorimeter
  • Wi-Fi cannot be enabled.
  • No batteries

Garmin Forerunner 645 Cones

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

Design:

Garmin Forerunner 225
Design

The Garmin forerunner series has become very popular because of its amazing features. Forerunner 225 is the first Garmin GPS running watch. It is a lightweight watch and can be comfortably worn on your wrist. Its graphic interface shows your zone and beats per minute at a glance. Users can track their running performance and calories burnt during a workout. This device has more advanced features than other Garmin Forerunner series like automatically uploading to Garmin Connect, live tracking, social media sharing, etc. You can use it without a strap during any activity because it has built-in sensors for measuring heart rate and pace. Customized workouts can also be created. Furthermore, it offers vibration alerts to keep you active. 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
54gg

Weight

41.8gg

Min Temperature

Replaceable Band

mm

Band Width

20mmmm

Max Temperature

Waterproof

Screen protection

h

Battery Life

168h

Garmin Forerunner 225
Specifications

Garmin Forerunner 225 is a GPS running watch that comes with several specifications. The screen size is around 1 inch. The dimensions of the watch are 1.8 x 1.9 x 0.6 inches. It has wireless display features. The scanner has a resolution of about 180 x 180 pixels. It weighs about 4.6 ounces. It comes with advanced features like auto lapse, auto pause, auto-scroll, etc. It has a graphic interface that shows different colors for different activities like a warm-up, aerobics, etc. It also contains customizable data pages. Also, it's waterproof and therefore has a 5 ATM water rating. 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 225
Activity Tracking:

Garmin Forerunner 225 has a lot of tracking features to offer. You don't have to wear several bands to keep track of your performance. It has a built-in GPS which will help precisely record the pace speed and distance traveled. This watch has dual functions. It can work as a watch and activity tracker at the same time. Calories and heart rate can be determined. A pre-installed accelerometer will provide distance and pace data. Even when you are running outdoors, you don't need a foot pod for distance tracking. Along with all this, it can also monitor your sleep. Moreover, the move bar feature makes it even more interesting. It motivates users to move when they have been sitting too long by using a vibration alert. 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 225
Compatibility & Connectivity

It is a modest and elegant GPS watch that tracks distance and keeps a record of your time. It also identifies personal records like running etc. A virtual pacer is attached that compares the current pace to the target that you have set. You can also plan and share your running record at the Garmin Connect app. Users can also save summaries so that they can check how many miles they have covered. Even near tall buildings, the high-sensitivity GPS receiver remains locked on satellites. Moreover, it comes with GPS with preinstalled maps of North America. This will guide you to your path with the help of a map. 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 225 Pros

  • Pre-installed accelerometer
  • GPS sensor
  • Running and calories tracker
  • Heart and sleep rate tracking
  • Graphic interface
  • 5 ATM water resistance

Garmin Forerunner 645 Pros

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

Garmin Forerunner 225 Cones

  • No topographic maps
  • Doesn’t have sensors like Altimeter, Barometer, or Calorimeter
  • Wi-Fi cannot be enabled.
  • No batteries

Garmin Forerunner 645 Cones

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