Apple Watch Series 4 (GPS + Cellular) vs. Apple Watch Ultra 2

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Apple Watch Series 4 (GPS + Cellular) and Apple Watch Ultra 2. 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 4 (GPS + Cellular) vs. Apple Watch Ultra 2 Comparison Chart
GENERAL Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Product Type Smart watch Smart watch
Operating System WatchOS 5 WatchOS 10
Supported Host Device OS iOS iOS 17 or later
Activity/Sport - Multisport, custom workouts
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 39.8 g -
Body Details - Case only: 61.4 g
Body Material Stainless steel Aerospace-grade titanium
Protection Waterproof Water-resistant, splash-resistant, corrosion resistant, dust-resistant
Clock Display Yes Yes
FEATURES Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
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, Family Setup support, International Emergency Calling, Siren (86-decibel), Crash Detection, noise monitoring, Compass Waypoint, precision finding for iPhone, brightness: 3000 nits, flashlight boost, track detection
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 Apple Pay
Internet of Things (IoT) Compatible - Yes
IoT Intelligent Assistant Siri Siri
IoT Voice Controlled - Direct
CELLULAR Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Technology WCDMA (UMTS) / GSM WCDMA (UMTS)
Mobile Broadband Generation 4G 4G
SIM Card Type Electronic SIM card (e-SIM) Electronic SIM card (e-SIM)
Messaging Services SMS -
Supported Mobile Messaging Services SMS -
CONNECTIVITY Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
3M UMTS Band - Band 1, Band 2, Band 5, 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 + Cellular) Apple Watch Ultra 2
Type LTPO OLED - colour Retina LTPO OLED - colour
Resolution 324 x 394 pixels 410 x 502 pixels
Screen Size 1.57" -
Screen Protection Sapphire glass Flat sapphire front crystal with display edge protection
Always On Display (AOD) - Yes
INPUT DEVICE Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Type Touch sensitive screen (Force Touch) Touch sensitive screen, customisable action button, side button, double tap gesture
CASE Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Case Size 40 mm 49 mm
Case Shape Rectangular Rectangular
Case Back Sapphire crystal and ceramic back -
Case Details Stainless steel | Space grey aluminium | Space black stainless steel | Silver aluminium | Gold aluminium | Gold stainless steel Titanium
Crown Type Digital with haptic feedback Digital with haptic feedback
BAND Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Band Type Milanese loop Alpine Loop
Band Size - S
Fits Wrist with Circumference 130-180 mm 130-160 mm
Changeable - Yes
Clasp Type Magnetic closure G-hook
Band Material Steel mesh Textile
Band Colour White | Black | Pink sand | Space black | Gold | Seashell | Stone Blue | Indigo | Olive | Orange/beige | Green/gray | Blue/black | Orange | White
STORAGE Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Storage Capacity 16 GB 64 GB
CPU Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Manufacturer Apple Apple
CPU Type S4 S9 SiP
Features W3 Apple wireless chip W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine
BATTERY Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Technology Lithium Ion Lithium Ion
Battery Life 18 hours 36 hours
Battery Life Details - Normal use - up to 36 hour(s)
Low power mode - up to 18 hour(s)
Power saving mode - up to 72 hour(s)
Rechargeable Battery Yes Yes
Wireless Charging Yes Yes
MISCELLANEOUS Apple Watch Series 4 (GPS + Cellular) Apple Watch Ultra 2
Included Accessories Power adapter, magnetic charging cable Magnetic fast charger to USB-C cable (1 m)
Preloaded Software Apple Pay GymKit, Oceanic+, Depth app
Compliant Standards - IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, MIL-STD-810H, EN13319, Arsenic-free
SAR Value 0.27 W/kg (head), 0.26 W/kg (limb) -
Specific Absorption Rate (SAR) - 0.22 W/kg (head)
0.43 W/kg (limb)
Carbon Footprint - 0 kg carbon emissions
Max Depth of Water Resistance 50 m 100 m
Max Operating Temperature - 55 °C
Min Operating Temperature - -20 °C
Manufacturer Model Number - A2986
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