In depth comparison and review of Apple Watch SE (GPS + Cellular) 2nd generation 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 | Apple Watch SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS | WatchOS 10 |
| Supported Host Device OS | iOS 16 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 | Speaker | Dual speakers |
| Body Details | Case only: 27.8 g | Case only: 61.4 g |
| Body Material | Aluminium | Aerospace-grade titanium |
| Protection | Water-resistant | Water-resistant, splash-resistant, corrosion resistant, dust-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, barometer, gyroscope, always-on altimeter, optical heart sensor (2d gen) | 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, sleep stages, menstrual cycle | 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, music remote handling, camera remote control, Fall detection, Emergency SOS, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, brightness: 1000 nits | 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, 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/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 SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| 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 SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| 3M UMTS Band | Band 1, Band 2, Band 5, Band 8, Band 10 | Band 1, Band 2, Band 5, 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 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Apple Watch SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| Type | Retina 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 SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, customisable action button, side button, double tap gesture |
|---|
| CASE | Apple Watch SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| Case Size | 40 mm | 49 mm |
|---|---|---|
| Case Shape | Rectangular | Rectangular |
| Case Back | Sapphire crystal and ceramic back | - |
| Case Details | Starlight aluminium | Midnight aluminium | Silver aluminium | Titanium |
| Crown Type | Digital with haptic feedback | Digital with haptic feedback |
| BAND | Apple Watch SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| 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 | Midnight | White | Blue | Indigo | Olive | Orange/beige | Green/gray | Blue/black | Orange | White |
| STORAGE | Apple Watch SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| Storage Capacity | 32 GB | 64 GB |
|---|
| CPU | Apple Watch SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| Manufacturer | Apple | Apple |
|---|---|---|
| CPU Type | S8 SiP | S9 SiP |
| Features | W3 Apple wireless chip | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Apple Watch SE (GPS + Cellular) 2nd generation | 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 SE (GPS + Cellular) 2nd generation | Apple Watch Ultra 2 |
|---|
| Included Accessories | Magnetic charger to USB-C cable (1 m) | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | Apple Pay, GymKit | GymKit, Oceanic+, Depth app |
| Compliant Standards | - | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, MIL-STD-810H, EN13319, Arsenic-free |
| SAR Value | 0.13 W/kg (head), 1.35 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 | A2725 | A2986 |
| Warranty | 1-year warranty | - |
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