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Compare Garmin Forerunner 45

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Dimensions:42 x 42 x 11,4 mm44,7 x 44,7 x 12,5 mm41,3 x 41,3 x 9,99 mm40,4 x 42,7 x 8,6 mm
Weight:36 gr62 gr37,5 gr30 gr
Stand-by time:dependent on usagedependent on usagedependent on usagedependent on usage
Call time:dependent on usagedependent on usagedependent on usagedependent on usage
Announced:30 april 20194 june 202518 september 20259 july 2025

Design type

Watch:

Controls

Directional key:
Touchscreen:CapacitiveCapacitive
Swivel crown:
Voice command:

Display

Colour display:MiPAdjustable display brightness, AMOLED, Always On featureAdjustable display brightness, AMOLED, Always On featureAdjustable display brightness, 16.777.216 colours (24 bits), Circular Super AMOLED, Always On feature
Resolution:208 x 208 pixels416 x 416 pixels466 x 466 pixels438 x 438 pixels
Size:1.04 inch1.28 inch1.32 inch1.34 inch
Aspect ratio:1:11:11:11:1
Pixels Per Inch (PPI):283460499462
Screen-to-body ratio:19.8%26.5%33%33.6%
Peak brightness:3000 nits

Materials

Dirt and waterproof:5 ATMIP69, 5 ATMIP68, 5 ATM
Plastic:
Rugged casing:MIL-STD-810HMIL-STD-810H
Stainless Steel:
Fluoroelastomer:
Glass:
Aluminium:
Sapphire Crystal:

Personal Information
Management (PIM)

Agenda:
Alarm clock:
Date and time notation:
Stopwatch & countdown timer:
Calculator:
Contact list:
Reminder list:
To-do list:

Available applications

Calories:
Pedometer:

Navigation

Galileo:
GLONASS:
GPS receiver:
A-GPS:
Beidou:
Digital Compass:
Quasi-Zenith (QZSS):

Sensors

Gesture recognition:
Heart rate monitor:
Ambient light sensor:
Barometer:
ECG:
Gyroscope:
Oxygen saturation (SpO2):
Skin temperature sensor:
Thermometer:

Compatibility

With Android:From 9.0From 11.0
With iOS:From 13.0

Carrying method

Strap:Interchangeable
Size:22 mm
Wrist Size:120-180 mm + 120-190 mm + 130-190 mm

Hardware

Integrated antenna:
Processor:Samsung Exynos W1000, Dual Core
Clock Frequency:275 MHz

Telephony

Vibrating alert:
Flight mode:
Integrated handsfree speaker:

Personalisation

Multiple homescreens:
Widgets:

Build-in memory

Internal memory:
Size (RAM):37 MB2 GB
Storage:32 GB32 GB

Connections

Pogo pin:
USB:Type-C

Connectivity

Bluetooth:v6.0v5.3
NFC:
Wireless Lan (WLAN/Wi-Fi):Wi-Fi 4 (802.11n)

Power supply

Battery:Li-polySi-C (Silicon-carbon)Li-ion
Capacity:310 mAh540 mAh325 mAh
Wireless charging:

Audio

Built-in speakers:
Microphone:

Contents of the package

Charging cable:
Oplaadcase:
Quick start guide:
Safety booklet:
Warranty card:
Wristband:

Operating system

Wear OS:6.0

User interface

One UI Watch:8.0

Messaging

E-mail:
Instant messaging:
MMS:
SMS:
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