Samsung Gear S2 vs. Apple Watch Ultra

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of Samsung Gear S2 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

Samsung Gear S2 vs. Apple Watch Ultra Comparison Chart
GENERAL Samsung Gear S2 Apple Watch Ultra
Product Type Smart watch Smart watch
Operating System Tizen OS WatchOS
Supported Host Device OS Android 4.4 (KitKat) or later iOS 16 or later
Activity/Sport - Multisport
Wearing Style Watch style Watch style
Audio Input Microphone Three-microphone array
Audio Output - Dual speakers
Width 39.9 mm -
Height 43.6 mm -
Depth 11.4 mm -
Weight 42 g -
Body Details - Case only: 61.3 g
Body Material Stainless steel Aerospace-grade titanium
Protection Dustproof, waterproof Water-resistant, splash-resistant, corrosion resistant, dust-resistant
Clock Display Yes Yes
FEATURES Samsung Gear S2 Apple Watch Ultra
Sensors Accelerometer, ambient light sensor, barometer, gyro sensor, heart rate 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, activity, heart rate, steps taken, water vs. caffeine intake 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
Features Call handling, find phone function, voice control 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 Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness
Vibrating Alert Yes Yes
Feedback Type - Audio alert, vibration alert, visual interface
Digital Player MP3, AAC, M4A, OGG, AAC +, eAAC+ -
Navigation (GPS) - 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 Samsung Gear S2 Apple Watch Ultra
Technology - WCDMA (UMTS)
Mobile Broadband Generation - 4G
SIM Card Type - Electronic SIM card (e-SIM)
Messaging Services LINE, SMS -
Supported Mobile Messaging Services SMS -
CONNECTIVITY Samsung Gear S2 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, NFC, Bluetooth 4.1 IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3
Bluetooth Profiles Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) -
DISPLAY Samsung Gear S2 Apple Watch Ultra
Type Super AMOLED - colour Retina LTPO OLED - colour
Resolution 360 x 360 pixels 410 x 502 pixels
Screen Size 1.2" -
Aspect Ratio Full circle -
Pixel Density 302 ppi -
Screen Protection Corning Gorilla Glass 3 (scratch resistant glass) Flat sapphire front crystal with display edge protection
Always On Display (AOD) - Yes
INPUT DEVICE Samsung Gear S2 Apple Watch Ultra
Type Touch sensitive screen Touch sensitive screen, customisable action button, side button
CASE Samsung Gear S2 Apple Watch Ultra
Case Size 40 mm 49 mm
Case Shape - Rectangular
Case Details Black | Rose gold | Blue black Titanium
Crown Type - Digital with haptic feedback
BAND Samsung Gear S2 Apple Watch Ultra
Band Type Band Alpine Loop
Band Size - S
Band Width 20 mm -
Fits Wrist with Circumference - 130-160 mm
Changeable - Yes
Clasp Type - G-hook
Band Material Leather Textile
Band Colour Black | Ivory Orange | Green | Yellow/beige | Blue/gray | Starlight | Black/gray | White | Yellow | Midnight
STORAGE Samsung Gear S2 Apple Watch Ultra
Storage Capacity 4 GB 32 GB
User Memory 1.9 GB -
RAM Samsung Gear S2 Apple Watch Ultra
RAM Size 512 MB -
CPU Samsung Gear S2 Apple Watch Ultra
Manufacturer Samsung Apple
CPU Type Exynos 3250 S8 SiP
Clock Speed 1 GHz -
Features - W3 Apple wireless chip, U1 chip
BATTERY Samsung Gear S2 Apple Watch Ultra
Technology Lithium Ion Lithium Ion
Capacity 250 mAh -
Battery Life 3 day(s) 36 hours
Battery Life Details Low usage - up to 4 days 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 Yes
MISCELLANEOUS Samsung Gear S2 Apple Watch Ultra
Included Accessories Power adapter, wireless charging dock Magnetic fast charger to USB-C cable (1 m)
Preloaded Software Contacts, E-mail, Messages, Music Player, Twitter, Samsung Apps, News, Gallery, Weather, S Voice, S Health, Notification Center, Nike+ Running GymKit, Oceanic+
Compliant Standards IP68 IP6X, MIL-STD-810H, EN13319
SAR Value - 0.35 W/kg (head), 0.6 W/kg (limb)
Max Depth of Water Resistance - 100 m
Max Operating Temperature - 55 °C
Min Operating Temperature - -20 °C
Manufacturer Model Number SM-R732 A2684
Warranty - 1-year warranty
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