In depth comparison and review of Apple Watch SE (GPS) 2nd generation and Apple Watch Series 9 (GPS). 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) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | WatchOS | WatchOS 10 |
| Supported Host Device OS | iOS 16 or later | iOS 17 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Body Details | Case only: 26.4 g | Case only: 31.9 g |
| Body Material | Aluminium | 100% recycled aluminium |
| Protection | Water-resistant | Water-resistant, dust-resistant, crack-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, barometer, gyroscope, always-on altimeter, optical heart sensor (2d gen) | Digital compass, electrical heart sensor, blood oxygen sensor, optical heart sensor (3d gen), always-on altimeter, temperature sensor, high-g accelerometer, gyroscope with high dynamic range |
|---|---|---|
| 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, mental wellbeing |
| 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 | Fall detection, Emergency SOS, brightness: 2000 nits, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, fast charge, precision finding for iPhone, elevation view |
| Notifications | Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness | Calendar, SMS, Email, applications, 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 |
| CONNECTIVITY | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Wireless Interface | IEEE 802.11b/g/n, Bluetooth 5.0 | IEEE 802.11b/g/n, Ultra-Wideband (UWB), Bluetooth 5.3 |
|---|
| DISPLAY | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Type | Retina LTPO OLED - colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 324 x 394 pixels | 352 x 430 pixels |
| Screen Protection | Ion-X glass | Ion-X glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, side button, double tap gesture |
|---|
| CASE | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Case Size | 40 mm | 41 mm |
|---|---|---|
| Case Shape | Rectangular | Rectangular |
| Case Back | Sapphire crystal and ceramic back | Sapphire crystal and ceramic back |
| Case Details | Midnight aluminium | Silver aluminium | Starlight aluminium | Starlight aluminium | Red aluminium | Midnight aluminium | Pink aluminum | Silver aluminium |
| Crown Type | Digital with haptic feedback | Digital with haptic feedback |
| BAND | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Band Type | Sport band | Sport band |
|---|---|---|
| Band Size | Regular | M/L |
| Fits Wrist with Circumference | 130-200 mm | 150-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Pin-and-tuck | Pin-and-tuck |
| Band Material | Fluoroelastomer | Fluoroelastomer |
| Band Colour | Midnight | Starlight | Starlight | Red | Midnight | Light pink | Storm blue | Winter blue |
| STORAGE | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Storage Capacity | 32 GB | 64 GB |
|---|
| CPU | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| 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) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Life | 18 hours | 18 hours |
| Battery Life Details | - | Typical usage - up to 18 hour(s) Low power mode - up to 36 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Wireless Charging | Yes | Yes |
| MISCELLANEOUS | Apple Watch SE (GPS) 2nd generation | Apple Watch Series 9 (GPS) |
|---|
| 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 |
| Compliant Standards | - | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, Arsenic-free |
| SAR Value | 0.24 W/kg (head), 0.07 W/kg (limb) | - |
| Specific Absorption Rate (SAR) | - | 0.12 W/kg (head) 0.29 W/kg (limb) |
| Carbon Footprint | - | 0 kg carbon emissions |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | A2722 | A2978 |
| Warranty | 1-year warranty | - |
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