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Garmin Forerunner 645 Music vs Garmin Fenix 6 Pro Solar

General
Brand

Garmin

Garmin

Model

Forerunner 645 Music

Fenix 6 Pro Solar

Box Contents

Fitness Watch, Charging Cable, Warranty Card, User Manual

Smart Watch, User Manual, Warranty Card

Design
Shape & Surface

Circular, Flat

Circular, Curved

Dimensions

42.5 x 42.5 x 13.5 mm

47 x 47 x 15.1 mm

Weight

42 grams

85 grams

Body material

Stainless Steel

Stainless Steel

Strap material

Silicon

Silicon

Interface

Touch

Touch

Colours

Black, Cerise, Sandstone

Black, Mineral Blue, Titanium Carbon Gray, Slate Gray

Clock Face

Digital

Digital

Display
Screen Size

1.2

1.3 Inch

Screen Resolution

240 x 240 pixels

260 x 260 pixels

Pixel Density (sharpness)

283 ppi

283 ppi

Touch Screen

, Capacitive Touchscreen

Compatibility
Compatible OS

Android, iOS

Android, iOS

Battery
Battery life

Up to 7 Days

Up to 14 Days

Charging mode

via USB

Solar charging

Connectivity
Bluetooth

Wirless Protocol

, Wi-Fi 802.11, b/g/n

, Wi-Fi 802.11

USB Connectivity

No

No

NFC

Navigation

Sensors
Accelerometer

Gyro

Hardware
Internal Memory

32 GB

Notifications
Text Message

Incoming Call

Alarm

Timer

Weather

Smartphone Remote Features
Find My Phone

Camera Shutter Control

Music Control

Activity Tracker
Calories Intake/ burned

Distance

Steps

Sleep quality

Hours Slept

Active Minutes

Heart Rate

Activity/Inactivity

Multimedia
Music Player

, MP3

Additional Features
Alarm Clock

Goal Setting

Reminders

Stopwatch

Features