| key specs |
| Strap Material | Silicone | Silicone |
| Dial Shape | Rectangle | Round |
| Display Type | OLED Retina | - |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Blue |
| Display Size | - | 33mm |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Apple | Garmin |
| Model | Watch Series 9 GPS | Forerunner 255 |
| Release date | September 12, 2023 | June 30, 2022 |
| Model Name | Watch Series 9 GPS | Forerunner 255 |
| Dial Shape | Rectangle | Round |
| Strap Material | Silicone | Silicone |
| Size | Regular | - |
| Touchscreen | Yes | 1,3-inch |
| Interchangeable Strap | Yes | - |
| Water Resistant | Yes | 5 ATM |
| Water Resistance Depth | 5ATM | - |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | Unisex |
| Model Number | - | 010-02641-53 |
| Dial Colour | - | Black |
| Strap Colour | - | Blue |
| product details |
| Sensor | Compass, Always-On Altimeter, optical heart rate sensor, Accelerometer, Gyroscope and Ambient light sensor | GPS, GLONASS, Galileo, Multi-frequency positioning, Garmin Elevate wrist heart rate monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, SpO2 |
| Compatible Device | iOS | - |
| Notification | Yes | - |
| Battery Life | 18 hours | 14 Days |
| Rechargeable Battery | Yes | Yes |
| Notification Type | - | Smart Notifications |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | - |
| GPS | Yes | Yes |
| Messaging Support | Yes | - |
| Email Support | Yes | - |
| Call Features | International Emergency Calling | - |
| Other Connectivity Features | Emergency SOS | - |
| platform and storage features |
| Operating System | watchOS | - |
| Number of Cores | dual-core | - |
| Processor Name | S9 | - |
| Internal Memory | 64GB | 4GB |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Type | OLED Retina | - |
| Backlight Display | Yes | - |
| Other Display Features | LTPO OLED Always-On Retina display, up to 2000 nits of peak brightness | - |
| Display Resolution | - | 260x260 |
| Display Size | - | 33mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Calendar | Yes | - |
| Alarm Clock | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Number of Buttons | 2 | - |
| Other Fitness Features | Blood Oxgen Sensor, ECG sensor | Wrist-based Heart Rate, Daily Resting Heart Rate, Abnormal Heart Rate Alerts, Respiration rate, Pulse Ox Blood Oxygen Saturation, Fitness Age, Body Battery Energy Monitor, All-day Stress, Relaxation reminders, Relaxation breathing timer, Women's Health, Health snapshot |
| audio and video features |
| Speaker | Yes | - |
| Gesture Control | Yes | - |
| Microphone | Yes | - |
| Voice Control | Yes | - |
| dimensions |
| Width | - | 45.6 |
| Height | - | 45.6 |
| Thickness | - | 12.9 |
| Weight (g) | - | 49.00 |