Garmin Forerunner 245 Music vs. Apple Watch Ultra

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Garmin Forerunner 245 Music and Apple Watch Ultra. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.

Smartwatch Specifications Comparison

Garmin Forerunner 245 Music vs. Apple Watch Ultra Comparison Chart
GENERAL Garmin Forerunner 245 Music Apple Watch Ultra
Product Type Smart watch Smart watch
Operating System - WatchOS
Supported Host Device OS - iOS 16 or later
Activity/Sport Running, swimming, ski, cycling Multisport
Wearing Style Watch style Watch style
Audio Input - Three-microphone array
Audio Output - Dual speakers
Width 42.3 mm -
Height 42.3 mm -
Depth 12.2 mm -
Weight 38.5 g -
Body Details - Case only: 61.3 g
Body Material Fibre-reinforced polymer Aerospace-grade titanium
Protection Waterproof Water-resistant, splash-resistant, corrosion resistant, dust-resistant
Clock Display Yes Yes
FEATURES Garmin Forerunner 245 Music Apple Watch Ultra
Sensors Accelerometer, heart rate, electromagnetic compass Accelerometer, ambient light sensor, digital compass, depth gauge, electrical heart sensor, ECG sensor, blood oxygen sensor, gyroscope, water temperature sensor, temperature sensing, optical heart sensor (3d gen), always-on altimeter
Tracking Data Distance, time, speed, calories burned, heart rate (with optional heart rate sensor), sleep activity, steps taken, blood oxygen saturation, stress level Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, rapid eye movement (REM), depth
Modes - Night mode
Goal Setting Yes Yes
Features Camera remote control, find phone function, inactivity alert, Garmin Connect compatible, Find my Device, store & play music Call handling, store & play music, Fall detection, Emergency SOS, heart rate zones, brightness: 2000 nits, Family Setup support, International Emergency Calling, Siren (86-decibel), Crash Detection, noise monitoring, Compass Waypoint
Notifications - Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness
Vibrating Alert - Yes
Feedback Type - Audio alert, vibration alert, visual interface
Navigation (GPS) GPS/GLONASS/Galileo receiver GPS/GLONASS/Galileo/BeiDou/QZSS receiver
Payment Technology - Apple Pay
Internet of Things (IoT) Compatible - Yes
IoT Intelligent Assistant - Siri
IoT Voice Controlled - Direct
CELLULAR Garmin Forerunner 245 Music Apple Watch Ultra
Technology - WCDMA (UMTS)
Mobile Broadband Generation - 4G
SIM Card Type - Electronic SIM card (e-SIM)
CONNECTIVITY Garmin Forerunner 245 Music Apple Watch Ultra
3M UMTS Band - Band 1, Band 2, Band 5, Band 8, Band 10
4G LTE Band - Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66
Wireless Interface Bluetooth, Wi-Fi, ANT+ IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3
DISPLAY Garmin Forerunner 245 Music Apple Watch Ultra
Type Memory-in-Pixel LCD - colour - transflective Retina LTPO OLED - colour
Resolution 240 x 240 pixels 410 x 502 pixels
Screen Size 1.2" -
Screen Protection Corning Gorilla Glass 3 (scratch resistant glass) Flat sapphire front crystal with display edge protection
Always On Display (AOD) - Yes
INPUT DEVICE Garmin Forerunner 245 Music Apple Watch Ultra
Type - Touch sensitive screen, customisable action button, side button
CASE Garmin Forerunner 245 Music Apple Watch Ultra
Case Size - 49 mm
Case Shape Round Rectangular
Case Details - Titanium
Crown Type - Digital with haptic feedback
BAND Garmin Forerunner 245 Music Apple Watch Ultra
Band Type Band Alpine Loop
Band Size - S
Fits Wrist with Circumference 127-204 mm 130-160 mm
Changeable Yes Yes
Clasp Type Buckle G-hook
Band Material Silicone Textile
Band Colour Aqua Orange | Green | Yellow/beige | Blue/gray | Starlight | Black/gray | White | Yellow | Midnight
STORAGE Garmin Forerunner 245 Music Apple Watch Ultra
Storage Capacity - 32 GB
CPU Garmin Forerunner 245 Music Apple Watch Ultra
Manufacturer - Apple
CPU Type - S8 SiP
Features - W3 Apple wireless chip, U1 chip
BATTERY Garmin Forerunner 245 Music Apple Watch Ultra
Technology - Lithium Ion
Battery Life - 36 hours
Battery Life Details Smartwatch mode - up to 7 days
GPS mode - up to 24 hour(s)
GPS with Music mode - up to 6 hour(s)
Normal use - up to 36 hour(s)
With LTE - up to 18 hour(s)
Power saving mode - up to 60 hour(s)
Rechargeable Battery - Yes
Wireless Charging - Yes
MISCELLANEOUS Garmin Forerunner 245 Music Apple Watch Ultra
Included Accessories Charging/data cable Magnetic fast charger to USB-C cable (1 m)
Preloaded Software Calendar, Weather, Timer, Fitness Age GymKit, Oceanic+
Compliant Standards - IP6X, MIL-STD-810H, EN13319
SAR Value - 0.35 W/kg (head), 0.6 W/kg (limb)
Max Depth of Water Resistance 50 m 100 m
Max Operating Temperature - 55 °C
Min Operating Temperature - -20 °C
Manufacturer Model Number - A2684
Warranty - 1-year warranty
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