Garmin fēnix 6S vs. Apple Watch Ultra

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Garmin fēnix 6S and Apple Watch Ultra. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.

Smartwatch Specifications Comparison

Garmin fēnix 6S vs. Apple Watch Ultra Comparison Chart
GENERAL Garmin fēnix 6S Apple Watch Ultra
Product Type Sport watch Smart watch
Operating System - WatchOS
Supported Host Device OS iOS, Android iOS 16 or later
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Audio Input - Three-microphone array
Audio Output - Dual speakers
Width 42 mm -
Height 42 mm -
Depth 13.8 mm -
Weight 44 g -
Body Details - Case only: 61.3 g
Body Material Stainless steel, fibre-reinforced polymer Aerospace-grade titanium
Protection Waterproof Water-resistant, splash-resistant, corrosion resistant, dust-resistant
Clock Display Yes Yes
FEATURES Garmin fēnix 6S Apple Watch Ultra
Sensors Accelerometer, barometric altimeter, pulse oximeter, 3-axis compass, optical heart sensor 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, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation 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 Bluetooth Smart technology, 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 SMS, social apps, incoming calls Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness
Vibrating Alert Yes 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 fēnix 6S Apple Watch Ultra
Technology - WCDMA (UMTS)
Mobile Broadband Generation - 4G
SIM Card Type - Electronic SIM card (e-SIM)
CONNECTIVITY Garmin fēnix 6S 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 fēnix 6S 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 fēnix 6S Apple Watch Ultra
Type - Touch sensitive screen, customisable action button, side button
CASE Garmin fēnix 6S Apple Watch Ultra
Case Size - 49 mm
Case Shape Round Rectangular
Case Details Silver Titanium
Crown Type - Digital with haptic feedback
BAND Garmin fēnix 6S Apple Watch Ultra
Band Type Band Alpine Loop
Band Size - S
Fits Wrist with Circumference - 130-160 mm
Changeable - Yes
Clasp Type Buckle G-hook
Band Material Silicone Textile
Band Colour White | Black Orange | Green | Yellow/beige | Blue/gray | Starlight | Black/gray | White | Yellow | Midnight
STORAGE Garmin fēnix 6S Apple Watch Ultra
Storage Capacity 32 GB 32 GB
RAM Garmin fēnix 6S Apple Watch Ultra
RAM Size 64 MB -
CPU Garmin fēnix 6S Apple Watch Ultra
Manufacturer - Apple
CPU Type - S8 SiP
Features - W3 Apple wireless chip, U1 chip
BATTERY Garmin fēnix 6S Apple Watch Ultra
Technology Lithium Ion Lithium Ion
Battery Life - 36 hours
Battery Life Details Smartwatch mode - up to 9 days
GPS mode - up to 25 hour(s)
Max Battery GPS Mode - up to 50 hour(s)
Expedition GPS Mode - up to 20 days
Battery Saver Watch Mode - up to 34 days
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 Yes
Wireless Charging - Yes
MISCELLANEOUS Garmin fēnix 6S Apple Watch Ultra
Included Accessories Charging/data cable Magnetic fast charger to USB-C cable (1 m)
Preloaded Software - 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 100 m 100 m
Max Operating Temperature - 55 °C
Min Operating Temperature - -20 °C
Manufacturer Model Number - A2684
Warranty 1-year warranty 1-year warranty
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