Fitbit Sense 2 vs Garmin Forerunner 645

Design:

Fitbit Sense 2
Design

Fitbit Sense 1 was loved so much that Fitbit makers launched sense 2 for their fans. Although both look the same, there is a difference between them. While the sense had an EDA sensor, sense 2 is equipped with a CEDA sensor that monitors the level of stress and also supports up to 40 different training modes. Temperature and spo2 are also measured on sense 2 which even a pixel watch doesn't offer making it very efficient. It’s available in three beautiful colors unlike your regular watches like Shadow Grey / Graphite Aluminium Lunar White / Platinum Aluminium Blue Mist / Soft Gold Aluminium. 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
46

Weight

41.8g

Waterproof

45

Max Temperature

-25

Min Temperature

Replaceable Band

20

Band Width

20mm

Screen protection

144

Battery Life

168
2

Charging Time

Fitbit Sense 2
Specifications

Specifications of sense 2 are various as the display screen size is 1.6 inches with a 336 x 336 OLED display. Equipped with a touch screen fully and is quite lightweight. Has anti-water resistant features and can withhold water depths up to 50 m. Also, provide notification support and has dimensions of 40.5 x 40.5 x 11.2mm. It's also anti-splash, and won't get affected by rain and sweat. With a replaceable watch band, one won't need to worry about their watch going to waste. The battery lasts about six plus days and charge time is two hours, three hours with AOD turned on. 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 2
Activity Tracking:

Sense 2 can track your activity and will keep a track of your fitness, sleep, and even stress. It features a built-in GPS. It also includes a route tracker that tracks your route. Equipped with a heart–rate metric for healthy heart function tracking. Also has the feature of recording HRV and resting heart rate. With the calculation of skin temperature variation, sense 2 offers its customers a feature that isn't available in pixel watches. With the tracking of blood oxygenation levels, it will also take into account the spo2 levels. Provide a wide range of 40+ exercises mode and include an accelerometer. 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 2
Compatibility & Connectivity

Sense 2 Fitbit is compatible with both android and apple devices. It’s compatible with iPhone, Android, and MAC OS X. Its best if the user has apple iOS 14 or higher. If the user is an android user, sense 2 works best on phone that is android 8 or above. Also, it provides a lot of connectivity options with Bluetooth, NFC, a speaker, and even a mic. It supports Wi-Fi and can automatically sync the records as well. Also has the option of call control so users can manage their inbound and outbound calls efficiently. 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 2 Pros

  • Enhanced features of health tracking are available.
  • Equipped with CEDA sensor.
  • A very posh and modern design
  • Has a don’t disturb mode
  • The battery can last long with good usage even a whole week.
  • Using Fitbit pay, one can make their purchase using their wrists.

Garmin Forerunner 645 Pros

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

Fitbit Sense 2 Cones

  • There is no google assistant available.
  • The material sense 2 is made by using aluminum
  • There is no music functionality.
  • Google wallet is also missing

Garmin Forerunner 645 Cones

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

Design:

Fitbit Sense 2
Design

Fitbit Sense 1 was loved so much that Fitbit makers launched sense 2 for their fans. Although both look the same, there is a difference between them. While the sense had an EDA sensor, sense 2 is equipped with a CEDA sensor that monitors the level of stress and also supports up to 40 different training modes. Temperature and spo2 are also measured on sense 2 which even a pixel watch doesn't offer making it very efficient. It’s available in three beautiful colors unlike your regular watches like Shadow Grey / Graphite Aluminium Lunar White / Platinum Aluminium Blue Mist / Soft Gold Aluminium. 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
46g

Weight

41.8gg
-25℃

Min Temperature

Replaceable Band

20mm

Band Width

20mmmm
45℃

Max Temperature

Waterproof

Screen protection

144h

Battery Life

168h

Fitbit Sense 2
Specifications

Specifications of sense 2 are various as the display screen size is 1.6 inches with a 336 x 336 OLED display. Equipped with a touch screen fully and is quite lightweight. Has anti-water resistant features and can withhold water depths up to 50 m. Also, provide notification support and has dimensions of 40.5 x 40.5 x 11.2mm. It's also anti-splash, and won't get affected by rain and sweat. With a replaceable watch band, one won't need to worry about their watch going to waste. The battery lasts about six plus days and charge time is two hours, three hours with AOD turned on. 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 2
Activity Tracking:

Sense 2 can track your activity and will keep a track of your fitness, sleep, and even stress. It features a built-in GPS. It also includes a route tracker that tracks your route. Equipped with a heart–rate metric for healthy heart function tracking. Also has the feature of recording HRV and resting heart rate. With the calculation of skin temperature variation, sense 2 offers its customers a feature that isn't available in pixel watches. With the tracking of blood oxygenation levels, it will also take into account the spo2 levels. Provide a wide range of 40+ exercises mode and include an accelerometer. 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 2
Compatibility & Connectivity

Sense 2 Fitbit is compatible with both android and apple devices. It’s compatible with iPhone, Android, and MAC OS X. Its best if the user has apple iOS 14 or higher. If the user is an android user, sense 2 works best on phone that is android 8 or above. Also, it provides a lot of connectivity options with Bluetooth, NFC, a speaker, and even a mic. It supports Wi-Fi and can automatically sync the records as well. Also has the option of call control so users can manage their inbound and outbound calls efficiently. 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 2 Pros

  • Enhanced features of health tracking are available.
  • Equipped with CEDA sensor.
  • A very posh and modern design
  • Has a don’t disturb mode
  • The battery can last long with good usage even a whole week.
  • Using Fitbit pay, one can make their purchase using their wrists.

Garmin Forerunner 645 Pros

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

Fitbit Sense 2 Cones

  • There is no google assistant available.
  • The material sense 2 is made by using aluminum
  • There is no music functionality.
  • Google wallet is also missing

Garmin Forerunner 645 Cones

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