Compare Garmin Forerunner 45

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	Garmin Forerunner 45	Polar Grit X2	Add smartwatch to the comparison Choose brand Choose product
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Dimensions:	42 x 42 x 11,4 mm	44,7 x 44,7 x 12,5 mm
Weight:	36 gr	62 gr
Stand-by time:	dependent on usage	dependent on usage
Call time:	dependent on usage	dependent on usage
Announced:	30 april 2019	4 june 2025
Design type
Watch:
Controls
Directional key:
Touchscreen:
Display
Colour display:	MiP	Adjustable display brightness, AMOLED, Always On feature
Resolution:	208 x 208 pixels	416 x 416 pixels
Size:	1.04 inch	1.28 inch
Aspect ratio:	1:1	1:1
Pixels Per Inch (PPI):	283	460
Screen-to-body ratio:	19.8%	26.5%
Materials
Dirt and waterproof:	5 ATM
Plastic:
Rugged casing:		MIL-STD-810H
Stainless Steel:
Personal Information Management (PIM)
Agenda:
Alarm clock:
Date and time notation:
Stopwatch & countdown timer:
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:
Compatibility
With Android:
With iOS:
Carrying method
Strap:		22 mm
Hardware
Integrated antenna:
Processor:		275 MHz
Telephony
Vibrating alert:
Personalisation
Multiple homescreens:
Widgets:
Build-in memory
Internal memory:
Size (RAM):		37 MB
Storage:		32 GB
Connections
Pogo pin:
USB:		Type-C
Connectivity
Bluetooth:
Power supply
Battery:		Li-poly
Capacity:		310 mAh