Apple Watch Series 4 (GPS) vs. Apple Watch Ultra

Smartwatch Comparison, Reviews and Tests

Detailed comparison and review of Apple Watch Series 4 (GPS) 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

Apple Watch Series 4 (GPS) vs. Apple Watch Ultra Comparison Chart
GENERAL Apple Watch Series 4 (GPS) Apple Watch Ultra
Product Type Smart watch Smart watch
Operating System WatchOS 5 WatchOS
Supported Host Device OS iOS iOS 16 or later
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Audio Input Microphone Three-microphone array
Audio Output Speaker Dual speakers
Width 34 mm -
Height 40 mm -
Depth 10.7 mm -
Weight 30.1 g -
Body Details - Case only: 61.3 g
Body Material Anodised aluminium Aerospace-grade titanium
Protection Water-resistant Water-resistant, splash-resistant, corrosion resistant, dust-resistant
Clock Display Yes Yes
FEATURES Apple Watch Series 4 (GPS) Apple Watch Ultra
Sensors Accelerometer, ambient light sensor, gyro sensor, barometric altimeter, optical heart sensor, electrical 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, time, calories burned, activity, heart rate, steps taken, UV index, Air Quality index 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 Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, automatic exercise recognition, Fall detection, Emergency SOS 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 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/QZSS receiver GPS/GLONASS/Galileo/BeiDou/QZSS receiver
Payment Technology - Apple Pay
Internet of Things (IoT) Compatible Yes Yes
IoT Intelligent Assistant Siri Siri
IoT Voice Controlled - Direct
CELLULAR Apple Watch Series 4 (GPS) Apple Watch Ultra
Technology - WCDMA (UMTS)
Mobile Broadband Generation - 4G
SIM Card Type - Electronic SIM card (e-SIM)
CONNECTIVITY Apple Watch Series 4 (GPS) 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 IEEE 802.11b/g/n, Bluetooth 5.0 IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3
DISPLAY Apple Watch Series 4 (GPS) Apple Watch Ultra
Type LTPO OLED - colour Retina LTPO OLED - colour
Resolution 324 x 394 pixels 410 x 502 pixels
Screen Protection Ion-X glass Flat sapphire front crystal with display edge protection
Always On Display (AOD) - Yes
INPUT DEVICE Apple Watch Series 4 (GPS) Apple Watch Ultra
Type Touch sensitive screen (Force Touch) Touch sensitive screen, customisable action button, side button
CASE Apple Watch Series 4 (GPS) Apple Watch Ultra
Case Size 40 mm 49 mm
Case Shape - Rectangular
Case Back All ceramic and sapphire crystal back -
Case Details Silver aluminium | Space grey aluminium | Gold aluminium Titanium
Crown Type Digital with haptic feedback Digital with haptic feedback
BAND Apple Watch Series 4 (GPS) Apple Watch Ultra
Band Type Sport band Alpine Loop
Band Size - S
Fits Wrist with Circumference 130-200 mm 130-160 mm
Changeable - Yes
Clasp Type Pin-and-tuck G-hook
Band Material Fluoroelastomer Textile
Band Colour White | Seashell | Black | Pink sand Orange | Green | Yellow/beige | Blue/gray | Starlight | Black/gray | White | Yellow | Midnight
STORAGE Apple Watch Series 4 (GPS) Apple Watch Ultra
Storage Capacity 16 GB 32 GB
CPU Apple Watch Series 4 (GPS) Apple Watch Ultra
Manufacturer Apple Apple
CPU Type S4 S8 SiP
Features W3 Apple wireless chip W3 Apple wireless chip, U1 chip
BATTERY Apple Watch Series 4 (GPS) 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
Wireless Charging - Yes
MISCELLANEOUS Apple Watch Series 4 (GPS) Apple Watch Ultra
Included Accessories Power adapter, magnetic charging 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 50 m 100 m
Max Operating Temperature - 55 °C
Min Operating Temperature - -20 °C
Manufacturer Model Number - A2684
Warranty - 1-year warranty
Other projects: