In depth comparison and review of Apple Watch Series 3 (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.
| GENERAL | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Ultra 2 |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS 5 | WatchOS 10 |
| Supported Host Device OS | iOS 11 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 |
| Width | 33.3 mm | - |
| Height | 38.6 mm | - |
| Depth | 11.4 mm | - |
| Weight | 28.7 g | - |
| Body Details | - | Case only: 61.4 g |
| Body Material | Anodised aluminium | Aerospace-grade titanium |
| Protection | Waterproof | Water-resistant, splash-resistant, corrosion resistant, dust-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Ultra 2 |
|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, heart rate, barometric altimeter | 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 | 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, listening to music, Retina Display technology, text messages handling | 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 |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | Siri | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Apple Watch Series 3 (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 3 (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 4.2 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Ultra 2 |
|---|
| Type | OLED - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 272 x 340 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 3 (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 3 (GPS + Cellular) | Apple Watch Ultra 2 |
|---|
| Case Size | 38 mm | 49 mm |
|---|---|---|
| Case Shape | - | Rectangular |
| Case Back | Ceramic back | - |
| Case Details | Silver aluminium | Space grey aluminium | Gold aluminium | Stainless steel | Space black stainless steel | Titanium |
| Crown Type | Digital | Digital with haptic feedback |
| BAND | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Ultra 2 |
|---|
| 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 | Black | Fog | Pink sand | Seashell | Dark olive | Soft white | Grey | Space black | Blue | Indigo | Olive | Orange/beige | Green/gray | Blue/black | Orange | White |
| STORAGE | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Ultra 2 |
|---|
| Storage Capacity | 16 GB | 64 GB |
|---|
| CPU | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Ultra 2 |
|---|
| Manufacturer | Apple | Apple |
|---|---|---|
| CPU Type | S3 | S9 SiP |
| Features | W2 Apple wireless chip | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Apple Watch Series 3 (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 |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Apple Watch Series 3 (GPS + Cellular) | Apple Watch Ultra 2 |
|---|
| Included Accessories | Power adapter, magnetic charging cable | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | Siri | GymKit, Oceanic+, Depth app |
| Compliant Standards | - | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, MIL-STD-810H, EN13319, Arsenic-free |
| SAR Value | 0.14 W/kg (head), 0.15 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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