Side by side comparison and review of Garmin Forerunner 45 and Apple Watch Series 8 (GPS). Compare design, displays, functions, batteries and other key specifications and features to simplify the choice of your perfect smartwatch. Our goal is to make it easier for you to decide on the watch that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS |
| Supported Host Device OS | iOS, Android | iOS 16 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 42 mm | - |
| Height | 42 mm | - |
| Depth | 11.4 mm | - |
| Weight | 36 g | - |
| Body Details | - | Case only: 32 g |
| Body Material | - | Aerospace-grade aluminium alloy |
| Protection | Waterproof | Water-resistant, dust-resistant, crack-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, ambient light sensor, digital compass, electrical heart sensor, blood oxygen sensor, gyroscope, temperature sensing, optical heart sensor (3d gen), always-on altimeter |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, rapid eye movement (REM) |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Call handling, Fall detection, Emergency SOS, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, brightness: 1000 nits, Edge-to-edge display |
| Notifications | Calendar, Email, social apps | Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | - | Apple Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Siri |
| IoT Voice Controlled | - | Direct |
| CONNECTIVITY | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Wireless Interface | Bluetooth, ANT+ | IEEE 802.11b/g/n, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 352 x 430 pixels |
| Screen Size | 1.04" | - |
| Screen Protection | - | Ion-X glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Type | - | Touch sensitive screen |
|---|
| CASE | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Case Size | - | 41 mm |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Back | - | Sapphire crystal and ceramic back |
| Case Details | Black | Midnight aluminium | Starlight aluminium | Red aluminium | Silver aluminium |
| Crown Type | - | Digital with haptic feedback |
| BAND | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Size | L | Regular |
| Fits Wrist with Circumference | 129-197 mm | 130-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Pin-and-tuck |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | Black | Lava red | Midnight | Starlight | Red | White |
| STORAGE | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Storage Capacity | - | 32 GB |
|---|
| CPU | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S8 SiP |
| Features | - | W3 Apple wireless chip, U1 chip |
| BATTERY | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life | - | 18 hours |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
- |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45 | Apple Watch Series 8 (GPS) |
|---|
| Included Accessories | Charging/data cable | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | - | Apple Pay, GymKit |
| Compliant Standards | - | IP6X |
| SAR Value | - | 0.17 W/kg (head), 0.28 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | A2770 |
| Warranty | - | 1-year warranty |
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