Fitbit Sense vs Garmin Forerunner 645

Design:

Fitbit Sense
Design

The sense Fitbit is here to sense and manage all your stress away. With the innovative EDA sensor, it will manage stress steadily. Similarly, with the ECG app on this smartwatch, it will also track your heart health. Available in three colors i.e. Sage Grey / Silver Stainless Steel Carbon, Graphite Stainless, Steel Lunar White / Soft Gold Stainless Steel. With a lasting battery of almost six days above, it will help keep track of your health through its 20 goal-based exercises, where one can choose the activity, and Fitbit sense will be there tracking your stats during the workout and all the way. 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:

1.58

Screen Size

1.2"

Touch Screen

336 x 336px

Resolution

240 x 240px
48

Weight

41.8g

Waterproof

45

Max Temperature

-10

Min Temperature

Replaceable Band

20

Band Width

20mm

Screen protection

144

Battery Life

168
2

Charging Time

Fitbit Sense
Specifications

Sense holds a lot of specifications as the screen size is 1.58in with an OLED display. The case size is about 4.5 mm with a thickness of 12.35 mm. The weight of this smartwatch is about 45.39 g which makes it very easy to wear. It’s water resistant and can resist up to 50 meters because of its IP68 sensor. The watch band is replaceable and therefore one can use various bands to match according to their fashion statement. The battery timing is about six days and above and takes less than 2 hrs to charge fully. 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 Sense
Activity Tracking:

With a built-in GPS, the sense is there to guide you throughout your whole journey so you won’t get lost anywhere. With a route tracker and a heart rate monitor, it calculates breathing rate and active zone minutes. It also calculates the calories burned and keeps a chart of cardio fitness scores. Also, tracks distance, and the number of steps taken in a day. The floors one climbed in a day which automatically calculate. It also keeps track of food and water intake, but one needs to add it manually. It also helps keep a track of healthy menstrual cycle, by keeping a track of ovulation and will also discover the pattern in your cycles. 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 Sense
Compatibility & Connectivity

Fitbit Sence provides a lot of connectivity options with Bluetooth, Wi-Fi, NFC, a speaker, and even a mic. It's compatible with most devices than be it android or iPhone An account creation is a must after installing and setting up the smartwatch because it’s there where all your health data will be sent to. It supports Wi-Fi and can automatically sync the records as well. It's compatible with iPhone, Android, and MAC OS X. iPhone users need to have iOS 14 or above to get Fitbit to function properly. For Android users, it needs android OS 8 higher or above. 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 Sense Pros

  • Holds an easy-to-read display
  • Has a good sleep tracker
  • Very simple and easy to use, a user-friendly device
  • The display is all touch, with no buttons.
  • Swappable watchbands
  • Features a lot of tracking options i.e. heart rate, exercise, water intake, ECG, etc.

Garmin Forerunner 645 Pros

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

Fitbit Sense Cones

  • Sometimes watch can be tricky to put on.
  • One cannot make customized texts and phone calls.
  • Sometimes stats take a while to load
  • The screen is a bit fragile.

Garmin Forerunner 645 Cones

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

Design:

Fitbit Sense
Design

The sense Fitbit is here to sense and manage all your stress away. With the innovative EDA sensor, it will manage stress steadily. Similarly, with the ECG app on this smartwatch, it will also track your heart health. Available in three colors i.e. Sage Grey / Silver Stainless Steel Carbon, Graphite Stainless, Steel Lunar White / Soft Gold Stainless Steel. With a lasting battery of almost six days above, it will help keep track of your health through its 20 goal-based exercises, where one can choose the activity, and Fitbit sense will be there tracking your stats during the workout and all the way. 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:

1.58"

Screen Size

1.2""

Touch Screen

336 x 336px

Resolution

240 x 240px
48g

Weight

41.8gg
-10℃

Min Temperature

Replaceable Band

20mm

Band Width

20mmmm
45℃

Max Temperature

Waterproof

Screen protection

144h

Battery Life

168h

Fitbit Sense
Specifications

Sense holds a lot of specifications as the screen size is 1.58in with an OLED display. The case size is about 4.5 mm with a thickness of 12.35 mm. The weight of this smartwatch is about 45.39 g which makes it very easy to wear. It’s water resistant and can resist up to 50 meters because of its IP68 sensor. The watch band is replaceable and therefore one can use various bands to match according to their fashion statement. The battery timing is about six days and above and takes less than 2 hrs to charge fully. 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 Sense
Activity Tracking:

With a built-in GPS, the sense is there to guide you throughout your whole journey so you won’t get lost anywhere. With a route tracker and a heart rate monitor, it calculates breathing rate and active zone minutes. It also calculates the calories burned and keeps a chart of cardio fitness scores. Also, tracks distance, and the number of steps taken in a day. The floors one climbed in a day which automatically calculate. It also keeps track of food and water intake, but one needs to add it manually. It also helps keep a track of healthy menstrual cycle, by keeping a track of ovulation and will also discover the pattern in your cycles. 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 Sense
Compatibility & Connectivity

Fitbit Sence provides a lot of connectivity options with Bluetooth, Wi-Fi, NFC, a speaker, and even a mic. It's compatible with most devices than be it android or iPhone An account creation is a must after installing and setting up the smartwatch because it’s there where all your health data will be sent to. It supports Wi-Fi and can automatically sync the records as well. It's compatible with iPhone, Android, and MAC OS X. iPhone users need to have iOS 14 or above to get Fitbit to function properly. For Android users, it needs android OS 8 higher or above. 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 Sense Pros

  • Holds an easy-to-read display
  • Has a good sleep tracker
  • Very simple and easy to use, a user-friendly device
  • The display is all touch, with no buttons.
  • Swappable watchbands
  • Features a lot of tracking options i.e. heart rate, exercise, water intake, ECG, etc.

Garmin Forerunner 645 Pros

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

Fitbit Sense Cones

  • Sometimes watch can be tricky to put on.
  • One cannot make customized texts and phone calls.
  • Sometimes stats take a while to load
  • The screen is a bit fragile.

Garmin Forerunner 645 Cones

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