In depth comparison and review of Samsung Gear S2 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.
| GENERAL | Samsung Gear S2 | Apple Watch Ultra 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | Tizen OS | WatchOS 10 |
| Supported Host Device OS | Android 4.4 (KitKat) or later | iOS 17 or later |
| Activity/Sport | - | Multisport, custom workouts |
| 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: 61.4 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 2 |
|---|
| 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, 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 | 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 2 |
|---|
| 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 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, 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 2 |
|---|
| 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 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, customisable action button, side button, double tap gesture |
|---|
| CASE | Samsung Gear S2 | Apple Watch Ultra 2 |
|---|
| 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 2 |
|---|
| 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 | Blue | Indigo | Olive | Orange/beige | Green/gray | Blue/black | Orange | White |
| STORAGE | Samsung Gear S2 | Apple Watch Ultra 2 |
|---|
| Storage Capacity | 4 GB | 64 GB |
|---|---|---|
| User Memory | 1.9 GB | - |
| RAM | Samsung Gear S2 | Apple Watch Ultra 2 |
|---|
| RAM Size | 512 MB | - |
|---|
| CPU | Samsung Gear S2 | Apple Watch Ultra 2 |
|---|
| Manufacturer | Samsung | Apple |
|---|---|---|
| CPU Type | Exynos 3250 | S9 SiP |
| Clock Speed | 1 GHz | - |
| Features | - | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Samsung Gear S2 | Apple Watch Ultra 2 |
|---|
| 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) Low power mode - up to 18 hour(s) Power saving mode - up to 72 hour(s) |
| Rechargeable Battery | - | Yes |
| Wireless Charging | Yes | Yes |
| MISCELLANEOUS | Samsung Gear S2 | Apple Watch Ultra 2 |
|---|
| 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+, Depth app |
| Compliant Standards | IP68 | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, MIL-STD-810H, EN13319, Arsenic-free |
| 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 | - | 100 m |
| Max Operating Temperature | - | 55 °C |
| Min Operating Temperature | - | -20 °C |
| Manufacturer Model Number | SM-R732 | A2986 |
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