Apple Watch Series 8 (GPS + Cellular) vs. Apple Watch Ultra

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Apple Watch Series 8 (GPS + Cellular) 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

Apple Watch Series 8 (GPS + Cellular) vs. Apple Watch Ultra Comparison Chart
GENERAL Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Product Type Smart watch Smart watch
Operating System WatchOS WatchOS
Supported Host Device OS iOS 16 or later iOS 16 or later
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Audio Input Microphone Three-microphone array
Audio Output Speaker Dual speakers
Body Details Case only: 32 g Case only: 61.3 g
Body Material Aerospace-grade aluminium alloy Aerospace-grade titanium
Protection Water-resistant, dust-resistant, crack-resistant Water-resistant, splash-resistant, corrosion resistant, dust-resistant
Clock Display Yes Yes
FEATURES Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Sensors Accelerometer, ambient light sensor, digital compass, electrical heart sensor, blood oxygen sensor, gyroscope, temperature sensing, optical heart sensor (3d gen), always-on altimeter 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, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, rapid eye movement (REM) 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 Call handling, Fall detection, Emergency SOS, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, brightness: 1000 nits, Edge-to-edge display 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 Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness
Vibrating Alert Yes Yes
Feedback Type Audio alert, vibration alert, visual interface Audio alert, vibration alert, visual interface
Navigation (GPS) GPS/GLONASS/Galileo/BeiDou/QZSS receiver GPS/GLONASS/Galileo/BeiDou/QZSS receiver
Payment Technology Apple Pay Apple Pay
Internet of Things (IoT) Compatible Yes Yes
IoT Intelligent Assistant Siri Siri
IoT Voice Controlled Direct Direct
CELLULAR Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Technology WCDMA (UMTS) WCDMA (UMTS)
Mobile Broadband Generation 4G 4G
SIM Card Type Electronic SIM card (e-SIM) Electronic SIM card (e-SIM)
CONNECTIVITY Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
3M UMTS Band Band 1, Band 2, Band 5, Band 8, Band 10 Band 1, Band 2, Band 5, Band 8, Band 10
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 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 IEEE 802.11b/g/n, LTE, Bluetooth 5.0, Ultra-Wideband (UWB) IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3
DISPLAY Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Type Retina LTPO OLED - colour Retina LTPO OLED - colour
Resolution 352 x 430 pixels 410 x 502 pixels
Screen Protection Ion-X glass Flat sapphire front crystal with display edge protection
Always On Display (AOD) Yes Yes
INPUT DEVICE Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Type Touch sensitive screen Touch sensitive screen, customisable action button, side button
CASE Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Case Size 41 mm 49 mm
Case Shape Rectangular Rectangular
Case Back Sapphire crystal and ceramic back -
Case Details Starlight aluminium | Red aluminium | Silver stainless steel | Gold stainless steel | Midnight aluminium | Graphite stainless steel | Silver aluminium Titanium
Crown Type Digital with haptic feedback Digital with haptic feedback
BAND Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Band Type Sport band Alpine Loop
Band Size Regular S
Fits Wrist with Circumference 130-200 mm 130-160 mm
Changeable Yes Yes
Clasp Type Pin-and-tuck G-hook
Band Material Fluoroelastomer Textile
Band Colour Starlight | Red | White | Midnight | Silver | Gold | Graphite Orange | Green | Yellow/beige | Blue/gray | Starlight | Black/gray | White | Yellow | Midnight
STORAGE Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Storage Capacity 32 GB 32 GB
CPU Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Manufacturer Apple Apple
CPU Type S8 SiP S8 SiP
Features W3 Apple wireless chip, U1 chip W3 Apple wireless chip, U1 chip
BATTERY Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Technology Lithium Ion Lithium Ion
Battery Life 18 hours 36 hours
Battery Life Details - 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 Yes
MISCELLANEOUS Apple Watch Series 8 (GPS + Cellular) Apple Watch Ultra
Included Accessories Magnetic fast charger to USB-C cable (1 m) Magnetic fast charger to USB-C cable (1 m)
Preloaded Software Apple Pay, GymKit GymKit, Oceanic+
Compliant Standards IP6X IP6X, MIL-STD-810H, EN13319
SAR Value 0.31 W/kg (head), 0.55 W/kg (head) 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 A2773 A2684
Warranty 1-year warranty 1-year warranty
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