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Compare Garmin Forerunner 45

No longer available
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Xiaomi Watch S4 41mm
£ 119,99
4 colours

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Dimensions:42 x 42 x 11,4 mm44,7 x 44,7 x 12,5 mm41,2 x 41,2 x 9,5 mm41,3 x 41,3 x 9,99 mm40,4 x 42,7 x 8,6 mm
Weight:36 gr62 gr32 gr37,5 gr30 gr
Stand-by time:dependent on usagedependent on usagedependent on usagedependent on usagedependent on usage
Call time:dependent on usagedependent on usagedependent on usagedependent on usagedependent on usage
Announced:30 april 20194 june 202524 september 202518 september 20259 july 2025

Design type

Watch:

Controls

Directional key:
Touchscreen:Multi-touch, capacitiveCapacitiveCapacitive
Swivel crown:
Voice command:

Display

Colour display:MiPAdjustable display brightness, AMOLED, Always On feature16.777.216 colours (24 bits), 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 pixels466 x 466 pixels438 x 438 pixels
Size:1.04 inch1.28 inch1.32 inch1.32 inch1.34 inch
Aspect ratio:1:11:11:11:11:1
Pixels Per Inch (PPI):283460499499462
Screen-to-body ratio:19.8%26.5%33.1%33%33.6%
Peak brightness:1500 nits3000 nits
Refresh rate:60 Hz

Materials

Dirt and waterproof:5 ATM5 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:
Reminder list:
To-do list:
Calculator:
Contact list:

Available applications

Calories:
Pedometer:
Sleep tracker:
Stressmonitor:

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 8.0From 9.0From 11.0
With iOS:From 14.0From 13.0

Carrying method

Strap:InterchangeableInterchangeable
Size:22 mm
Wrist Size:135-210 mm120-180 mm + 120-190 mm + 130-190 mm

Hardware

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

Telephony

Vibrating alert:
Integrated handsfree speaker:
Flight mode:

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

Power supply

Battery:Li-polyLi-ionSi-C (Silicon-carbon)Li-ion
Capacity:310 mAh320 mAh540 mAh325 mAh
Wireless charging:

User interface

HyperOS:3
One UI Watch:8.0

Audio

Built-in speakers:
Microphone:

Contents of the package

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

Operating system

Wear OS:6.0

Messaging

E-mail:
Instant messaging:
MMS:
SMS:
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