Side by side comparison and review of Garmin Forerunner 45 and Apple Watch Series 5 (GPS + Cellular). 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 5 (GPS + Cellular) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 6 |
| Supported Host Device OS | iOS, Android | iOS |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 42 mm | 34 mm |
| Height | 42 mm | 40 mm |
| Depth | 11.4 mm | 10.74 mm |
| Weight | 36 g | 40.6 g |
| Body Material | - | Stainless steel |
| Protection | Waterproof | Water-resistant |
| Colours | - | Silver |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, ambient light sensor, gyro sensor, gesture, geomagnetic sensor, barometric altimeter, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, time, calories burned, activity, heart rate, steps taken, UV index, menstrual cycle |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Music remote handling, ECG accurate heart rate, listening to music, Retina Display technology, call alerts, Fall detection, Emergency SOS |
| Notifications | Calendar, Email, social apps | Calendar, SMS, Email |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/QZSS receiver |
| Payment Technology | - | Apple Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Intelligent Assistant | - | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Wireless Interface | Bluetooth, ANT+ | IEEE 802.11b/g/n, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | LTPO OLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 324 x 394 pixels |
| Screen Size | 1.04" | - |
| Screen Protection | - | Sapphire glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Type | - | Touch sensitive screen (Force Touch) |
|---|
| CASE | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Case Shape | Round | Rectangular |
| Case Back | - | Sapphire crystal and ceramic back |
| Case Details | Black | Gold stainless steel | Silver aluminium | Gold aluminium | Space grey aluminium | Stainless steel | Space black stainless steel |
| Crown Type | - | Digital with haptic feedback |
| BAND | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Size | L | S/M/L |
| 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 | Stone | White | Pink sand | Black | Silver | Gold | Space black |
| STORAGE | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Storage Capacity | - | 32 GB |
|---|
| CPU | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S5 |
| Features | - | W3 Apple wireless chip |
| BATTERY | Garmin Forerunner 45 | Apple Watch Series 5 (GPS + Cellular) |
|---|
| 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 5 (GPS + Cellular) |
|---|
| Included Accessories | Charging/data cable | Power adapter, magnetic charging cable |
|---|---|---|
| Preloaded Software | - | Apple Pay |
| SAR Value | - | 0.34 W/kg (head), 0.39 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
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