100points

Garmin Forerunner 645 Music

Garmin Forerunner 645 Music
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Garmin Forerunner 645 Music review: specs and price

Garmin Forerunner 645 Music
Garmin Forerunner 645 Music

Why is Garmin Forerunner 645 Music better than the average?

  • Weight
    42.2gvs66.08g
  • Resolution
    240 x 240pxvs25611.74px
  • Thickness
    13.5mmvs14.79mm
  • Height
    42.5mmvs53.09mm
  • Screen size
    1.2"vs1.19"
  • Maximum operating temperature
    60°Cvs56.74°C
  • Width
    42.5mmvs47.23mm
  • Lowest potential operating temperature
    -20°Cvs-13.4°C

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Top specs and features

relevant

Design

1.weight

42.2g

Best

Polar RCX3 GPS

33g

2.resolution

240 x 240px

Best

Suunto 9

300 x 320px

3.Has a display
Garmin Forerunner 645 Music

The device has an electronic display to present information to the user.

4.waterproofing maximum depth

50m

These devices will not experience water damage, e.g. in the shower. Devices which can withstand more water pressure are better for swimming or diving.

Best

Casio GWA1000FC-2A

200m

5.thickness

13.5mm

Best

Motorola MOTOACTV

9.6mm

6.Is dustproof and water resistant
Garmin Forerunner 645 Music

Dustproof/water resistant at depth equal to or greater than 1 meter.

relevant

Sensors

1.has GPS
Garmin Forerunner 645 Music

GPS enables global positioning, useful in map, geo-tagging or navigation apps.

2.Has a heart rate monitor
Garmin Forerunner 645 Music

A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.

3.Has a barometer
Garmin Forerunner 645 Music

This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.

4.has an accelerometer
Garmin Forerunner 645 Music

An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.

5.Has a 3D compass
Garmin Forerunner 645 Music

3D compass is a compass that will show accurate readings also when the compass is tilted. Therefore you don’t need to keep the compass on level ground to get steady readings.

For example

Garmin Fenix 5X

6.has a compass
Garmin Forerunner 645 Music

A compass is useful in games, map and navigation software.

relevant

Activity tracking

1.Provides activity reports
Garmin Forerunner 645 Music

Your activity data is analysed to give you reports, available to view through the app or website. This allows you to see how active you have been and to help you make improvements.

2.Has a route tracker
Garmin Forerunner 645 Music

With a route tracker you can add your route onto a map. It is helpful if you plan to do the same route again, or want to share it with your community.

3.Has goal setting
Garmin Forerunner 645 Music

Allows you to set your own goals, such as reaching 15,000 steps in a single day.

4.Tracks distance
Garmin Forerunner 645 Music

It tracks how far you travel.

5.Has multi-sport mode
Garmin Forerunner 645 Music

Multi-sport mode allows you to easily switch between tracking different sports such as running, cycling and swimming. This is ideal for those who need to change quickly between different activities, eg. triathletes.

6.Measures pace
Garmin Forerunner 645 Music

Measuring pace shows how much time it takes to travel one kilometer or one mile. For example, in running, a 4 minute kilometer would be a very good pace.

relevant

Connectivity

1.Is compatible with Android
Garmin Forerunner 645 Music

It is compatible with a range of Android devices such as smartphones and tablets.

2.Has Bluetooth
Garmin Forerunner 645 Music

Bluetooth is a wireless technology that allows you to easily transfer data between different devices, such as smartphones, tablets and computers.

3.Syncs wirelessly
Garmin Forerunner 645 Music

The device syncs all of your data wirelessly, without the need for cables.

4.Is compatible with iOS
Garmin Forerunner 645 Music

It is compatible with a range of iOS devices such as iPhones, iPads and the iPod Touch.

5.Supports ANT+
Garmin Forerunner 645 Music

ANT+ is a wireless protocol similar to Bluetooth Smart, and is very power efficient. It is mainly used for fitness monitoring devices such as heart rate monitors and cadence sensors to connect to other devices, eg. sports watches, smartphones and cycling computers.

6.Has WiFi
Garmin Forerunner 645 Music

The device can connect to WiFi.

relevant

Battery

1.battery life with GPS on

5h

There is less chance that you will run out of battery during an adventure.

Best

Suunto Ambit3 Peak Sapphire (HR)

50h

2.battery life

7 days

With a longer battery life, you don’t have to worry about charging the device as often.

Best

Tech4o Traileader Jet

730 days

3.has a battery level indicator
Garmin Forerunner 645 Music

An indicator shows you when the device has low battery.

4.has a rechargeable battery
Garmin Forerunner 645 Music

The battery can be recharged and used over again.

5.has a removable battery
Garmin Forerunner 645 Music

The battery is removable and can be replaced by the user if broken.

For example

Magellan Echo Fit

6.Has a solar power battery
Garmin Forerunner 645 Music

A solar battery takes its energy from light, and stores it in a self-recharging battery which never needs to be changed.

For example

Casio GWA1000FC-2A

relevant

Features

1.Has vibrating alerts
Garmin Forerunner 645 Music

Vibrating alerts have a variety of uses, such as interval training.

For example

Suunto 9

2.Has achievements
Garmin Forerunner 645 Music

You are awarded achievements for reaching goals, helping to encourage you and keep you motivated.

3.Has silent alarm
Garmin Forerunner 645 Music

The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.

4.Acquires GPS faster
Garmin Forerunner 645 Music

It can periodically download data on the future position of GPS satellites. This enables it to lock on much faster, so you don’t have to wait around to get a GPS fix.

For example

TomTom Spark 3

5.Has inactivity alerts
Garmin Forerunner 645 Music

The device detects when you have been idle for too long, and alerts you to encourage you to stay active.

6.Has notifications
Garmin Forerunner 645 Music

If you get a notification such as a call or message, the device will vibrate on your wrist or make a noise to alert you.

relevant

Miscellaneous

1.Can upload maps
Garmin Forerunner 645 Music

You can upload different maps to your device. It is handy for people who like to explore new places.

For example

Laser Navig8r Navwatch S20

2.Has trackback mode
Garmin Forerunner 645 Music

This feature enables you to track your route and reverse it in order to guide you back to where you began your journey.

For example

Garmin Fenix 5 47mm

3.Informs about the risk of thunderstorms
Garmin Forerunner 645 Music

It can provide you with information about the likelihood of a thunderstorm. This could be very useful to plan your day.

For example

Suunto Traverse Alpha

4.Has a world timer
Garmin Forerunner 645 Music

With a world timer you can easily see the time all over the globe. It is useful if you are travelling through different time zones.

For example

Laser Navig8r Navwatch S20

5.Has a wind speed sensor
Garmin Forerunner 645 Music

A wind speed sensor is useful in activities such as cycling or watersports.

For example

Polar RS800CX BIKE

6.Has built-in clip
Garmin Forerunner 645 Music

You can clip your device to your clothes and carry it easily, e.g. in a gym.

For example

Garmin Forerunner 645 Music

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