Fitbit Ace 3 vs Garmin Forerunner 645

Design:

Fitbit Ace 3
Design

Fitbit Ace 3 is here for the kids. Just like adults need their fitness tracked, kids also need a fitness tracker to remain active throughout the day. This new Fitbit ace 3 is very sleek and modern. Its lightweight makes it very easy to wear. It has a lot of features even though it’s designed specifically for kids. With a variety of features, it's available in three popular kids' colors i.e. Black / Sport Red Cosmic Blue / Astro Green Special Edition Minions Yellow. With various motivating challenges, it will keep your child active and will make their whole day by providing various challenges that they will fulfill throughout the day. 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:

1.47

Screen Size

1.2"

Touch Screen

240 x 240px

Resolution

240 x 240px
70

Weight

41.8g

Waterproof

45

Max Temperature

-10

Min Temperature

Replaceable Band

16.70

Band Width

20mm

Screen protection

192

Battery Life

168
2

Charging Time

Fitbit Ace 3
Specifications

Ace 3 has a lot of specifications. First of all, the display size is around 1.47 inches. Equipped with a touch screen, the resolution of ace 3 is about 240-x-240. The screen display is PMOLED which is one of its kind. With a weight of as less as 14g, it makes it very easy for kids to wear. It’s also waterproof which is amazing for kids because they cannot understand the fact that fragile things need not be put in water. Its anti-splash and water-resistant properties have a depth rating of up to 50m. The operating temperature it can hold is from -10°C to 45°C. 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

Fitbit Ace 3
Activity Tracking:

Various tracking features Fitbit Ace 3 offers like a built-in GPS. A tracker that tracks the route, and the steps counter also tracks the active exercise minutes. The added features in ace 3 are adding activities like a bicycle ride or running that it tracks. Because this ace 3 is made for kids, so it needs a parental Fitbit account. It has a heart rate monitor and tracks elevation as well. With a cedace sensor, it will rack a healthy sleep. Also, it calculates the water and food intake, so it will keep a track of your kid's eating habits. 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

Fitbit Ace 3
Compatibility & Connectivity

Fitbit Ace 3 is compatible with Android and iOS devices. The best working is for iOS 14 and above and for Android, it should be of OS 8 or higher. All the data will be accessible to the kids and their parents by using the Fitbit parental control through the Fitbit app. It's an altogether great device for kids, parent will just need to sign-up for the account and do the recommended settings and then ace 23 will be on go mode. It has the feature of Wi-Fi and automatically syncs the data to keep a healthy track. 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

Fitbit Ace 3 Pros

  • Due to silicone and its presence, it is well-protected and is prone to lumps and bumps.
  • Parents won’t need to worry about screen damage.
  • The style of ace 3 is modern which makes this gadget super cool for kids to wear.
  • If your child is allergic to bands of watches, this band is non-allergic and works for people well with sensitive skin.
  • Has a replaceable watchband
  • Parental control is available.

Garmin Forerunner 645 Pros

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

Fitbit Ace 3 Cones

  • Less smart features because it’s just a fitness tracker.
  • The weekly charging is very often.
  • The charging cable is quite short.
  • Heart-rate tracking isn’t available.

Garmin Forerunner 645 Cones

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

Design:

Fitbit Ace 3
Design

Fitbit Ace 3 is here for the kids. Just like adults need their fitness tracked, kids also need a fitness tracker to remain active throughout the day. This new Fitbit ace 3 is very sleek and modern. Its lightweight makes it very easy to wear. It has a lot of features even though it’s designed specifically for kids. With a variety of features, it's available in three popular kids' colors i.e. Black / Sport Red Cosmic Blue / Astro Green Special Edition Minions Yellow. With various motivating challenges, it will keep your child active and will make their whole day by providing various challenges that they will fulfill throughout the day. 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:

1.47"

Screen Size

1.2""

Touch Screen

240 x 240px

Resolution

240 x 240px
70g

Weight

41.8gg
-10℃

Min Temperature

Replaceable Band

16.70mm

Band Width

20mmmm
45℃

Max Temperature

Waterproof

Screen protection

192h

Battery Life

168h

Fitbit Ace 3
Specifications

Ace 3 has a lot of specifications. First of all, the display size is around 1.47 inches. Equipped with a touch screen, the resolution of ace 3 is about 240-x-240. The screen display is PMOLED which is one of its kind. With a weight of as less as 14g, it makes it very easy for kids to wear. It’s also waterproof which is amazing for kids because they cannot understand the fact that fragile things need not be put in water. Its anti-splash and water-resistant properties have a depth rating of up to 50m. The operating temperature it can hold is from -10°C to 45°C. 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:

2h

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

Fitbit Ace 3
Activity Tracking:

Various tracking features Fitbit Ace 3 offers like a built-in GPS. A tracker that tracks the route, and the steps counter also tracks the active exercise minutes. The added features in ace 3 are adding activities like a bicycle ride or running that it tracks. Because this ace 3 is made for kids, so it needs a parental Fitbit account. It has a heart rate monitor and tracks elevation as well. With a cedace sensor, it will rack a healthy sleep. Also, it calculates the water and food intake, so it will keep a track of your kid's eating habits. 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

Fitbit Ace 3
Compatibility & Connectivity

Fitbit Ace 3 is compatible with Android and iOS devices. The best working is for iOS 14 and above and for Android, it should be of OS 8 or higher. All the data will be accessible to the kids and their parents by using the Fitbit parental control through the Fitbit app. It's an altogether great device for kids, parent will just need to sign-up for the account and do the recommended settings and then ace 23 will be on go mode. It has the feature of Wi-Fi and automatically syncs the data to keep a healthy track. 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

Fitbit Ace 3 Pros

  • Due to silicone and its presence, it is well-protected and is prone to lumps and bumps.
  • Parents won’t need to worry about screen damage.
  • The style of ace 3 is modern which makes this gadget super cool for kids to wear.
  • If your child is allergic to bands of watches, this band is non-allergic and works for people well with sensitive skin.
  • Has a replaceable watchband
  • Parental control is available.

Garmin Forerunner 645 Pros

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

Fitbit Ace 3 Cones

  • Less smart features because it’s just a fitness tracker.
  • The weekly charging is very often.
  • The charging cable is quite short.
  • Heart-rate tracking isn’t available.

Garmin Forerunner 645 Cones

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