Apple Watch Series 9 & Apple Watch SE 3 share many similarities, but there are also important differences, such as quality, performance, features, design, and connectivity. If you want the best one between them, I Would recommend the Apple Watch Series 9 rather than the Apple Watch SE 3.
Why Do I Recommend The Apple Watch Series 9?
- The Apple Watch Series 9 features the S9 SiP with a dedicated Neural Engine for faster responses and smoother app performance, whereas the Apple Watch SE 3 uses the S10 chip without an advanced Neural Engine.
- Apple Watch Series 9 includes the Double Tap gesture system for hands-free control in situations like cooking or exercising, while the Apple Watch SE 3 lacks double Tap gesture system.
- It has an Always-On Retina display for continuous visibility of information without raising the wrist, whereas the Apple Watch SE 3 has a standard Retina display.
- The Apple Watch Series 9 supports 2,000 nits peak brightness for better outdoor readability in direct sunlight, while the Apple Watch SE 3 uses a lower-brightness display.
- Apple Watch Series 9 includes an electrical heart sensor for generating ECG readings to track heart rhythm health, whereas the Apple Watch SE 3 has only an optical heart sensor.
- It features a Blood Oxygen sensor for monitoring SpO₂ levels during workouts or sleep, while the Apple Watch SE 3 does not include a Blood Oxygen sensor.
- The Apple Watch Series 9 supports stainless steel construction with sapphire crystal for improved durability and scratch resistance, whereas the Apple Watch SE 3 comes with an aluminum case and Ion-X glass.
- Apple Watch Series 9 includes a second-generation Ultra Wideband chip for precise device finding and improved proximity functions, while the Apple Watch SE 3 which does not support the latest UWB hardware.
Maybe the Apple Watch SE 3 price can make you comfortable because it’s a little bit cheaper than the Apple Watch Series 9. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.
Side By Side Comparison
| Feature | Apple Watch Series 9 | Apple Watch SE 3 |
| Neural Engine / Gestures | 4-core Neural Engine + Double Tap gesture | Does not include full Neural Engine gesture support |
| Ultra Wideband (UWB) chip | 2nd-generation UWB | No 2nd-generation UWB |
| Dust resistance rating | IP6X dust resistant | No IP6X certification |
| Case material options | Aluminium & Stainless Steel | Aluminium only |
| Glass type (premium variant) | Sapphire crystal | Ion-X front glass |
| ECG sensor | Yes | No ECG sensor |
| Blood Oxygen sensor | Yes | No Blood Oxygen sensor |
| Max display brightness | Up to ~2,000 nits | Up to ~1,000 nits |
| Size options | 41 mm & 45 mm | 40 mm & 44 mm |
| Advanced health sensors (premium) | Includes temperature, ECG, SpO₂ | Includes temperature sensor, but lacks ECG/SpO₂ |
| Build finish | Stainless steel case option | No stainless steel option |
| Material & finish variety | More finish/material choices including premium | Fewer finish/material options |
| Build connectivity extras | Premium connectivity features | Basic connectivity feature set |
| Price | Check Apple Watch 9 Price | Check Apple SE 3 Price |
What Common Both Can Do?
- WatchOS Version: Both watches run on the same watchOS platform, ensuring they receive similar software features and updates. This keeps the interface consistent and allows users to enjoy the same core experience across both models.
- Retina Display: Each model uses a Retina display, meaning text and icons appear sharp and easy to read. This contributes to comfortable daily use whether checking notifications or viewing fitness stats.
- LTPO Display Technology: Both use LTPO display technology, which allows the refresh rate to adjust dynamically. This helps improve battery efficiency while maintaining smooth performance.
- Aluminum Case Option: Both watches come in aluminum versions, giving users a lightweight and durable choice. Aluminum remains popular for its balance of strength, comfort, and affordability.
- GPS: Both models include built-in GPS, allowing accurate tracking of outdoor activities without needing to carry an iPhone. This is especially useful for runners, cyclists, and walkers.
- GPS + Cellular Option: Each model can be purchased with a cellular variant, enabling calls, messages, and data use without a paired iPhone nearby. This provides greater independence and convenience.
- 50m Water Resistance: Both watches are water resistant to 50 meters, making them suitable for swimming and general water exposure. Users can comfortably take them into pools or showers.
- Heart Rate Monitoring: Both include optical heart rate sensors that track heart rate throughout the day. This helps users monitor activity intensity, recovery, and general wellness.
- Fall Detection: Each model features fall detection, which can automatically contact emergency services if a hard fall is detected. This adds an important layer of safety for users of all ages.
- Crash Detection: Both devices support crash detection, using motion sensors to identify severe car accidents. This safety feature can initiate emergency calls when needed.
- Emergency SOS: Emergency SOS is available on both models, allowing users to quickly call for help by holding the side button. It is a crucial feature in unexpected situations.
- Temperature Sensing: Both have temperature sensing capabilities that support health and wellness features. This enables more accurate cycle tracking and overnight monitoring.
- Cycle Tracking: Each model includes advanced cycle tracking, allowing users to log data and receive insights. Temperature readings further enhance menstrual health data accuracy.
- Bluetooth: Both watches use Bluetooth for wireless connectivity to accessories and iPhones. This ensures smooth syncing, audio playback, and sensor communication.
- Wi-Fi: Wi-Fi support is present on both models, enabling updates and connectivity when an iPhone is not nearby. This helps maintain functionality in more environments.
- Fitness Tracking: Both watches are equipped with robust fitness tracking features for workouts such as running, cycling, strength training, and more. Daily activity rings remain consistent across both models.
- Sleep Tracking: Sleep tracking is available on each model, helping users understand sleep duration and nighttime trends. This supports better overall wellness and recovery habits.
- Fast Charging Support: Both support fast charging, reducing downtime and keeping the watch ready more quickly. This is convenient for users who charge during short breaks.
- App Store Access: Each model supports downloading apps directly from the App Store, enabling customization and extended functionality. Users can tailor the experience to their needs with third-party apps.
Common Features
| Feature | Apple Watch Series 9 | Apple Watch SE 3 |
| WatchOS Version | watchOS | watchOS |
| Retina Display | Yes | Yes |
| LTPO Display Technology | Yes | Yes |
| Aluminum Case Option | Yes | Yes |
| GPS | Yes | Yes |
| GPS + Cellular Option | Yes | Yes |
| 50m Water Resistance | Yes | Yes |
| Heart Rate Monitoring | Yes | Yes |
| Fall Detection | Yes | Yes |
| Crash Detection | Yes | Yes |
| Emergency SOS | Yes | Yes |
| Temperature Sensing | Yes | Yes |
| Cycle Tracking | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | Yes |
| Fitness Tracking | Yes | Yes |
| Sleep Tracking | Yes | Yes |
| Fast Charging Support | Yes | Yes |
| App Store Access | Yes | Yes |
| Price | Check Apple Watch 9 Price | Check Apple SE 3 Price |