In depth comparison and review of Garmin Forerunner 45S and Samsung Galaxy Watch5 Pro. 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 | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Wear OS by Samsung |
| Supported Host Device OS | iOS, Android | Android 8.0 (Oreo) or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 39.5 mm | 45.4 mm |
| Height | 39.5 mm | 45.4 mm |
| Depth | 11.4 mm | 10.5 mm |
| Weight | 32 g | 46.5 g |
| Body Material | - | Titanium |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, ambient light sensor, barometer, gyro sensor, geomagnetic sensor, bioimpedance sensor, temperature, optical heart sensor, electrical heart sensor, BioActive sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, calories burned, activity, sleep activity, heart rate, steps taken, skin temperature, blood oxygen saturation, body composition, ECG, REM phases, sleep quality score |
| Modes | - | 90+ exercise modes |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Reminder of hydration, snoring detection, Body composition measurement tool, Sleep Coaching, Better Sleep, Samsung Smart Switch, Track Back, Route workout |
| Notifications | Calendar, Email, social apps | Calendar, SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Vibration alert, visual interface |
| Digital Player | - | MP3, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou receiver |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Platform | - | SmartThings |
| IoT Intelligent Assistant | - | Google Assistant, Bixby |
| CONNECTIVITY | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Wireless Interface | Bluetooth, ANT+ | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.2 |
|---|---|---|
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) |
| DISPLAY | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Super AMOLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 450 x 450 pixels |
| Screen Size | 1.04" | 1.4" |
| Aspect Ratio | - | Full circle |
| Pixel Density | - | 330 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Case Size | - | 45 mm |
|---|---|---|
| Crystal Type | - | Sapphire crystal |
| Case Shape | Round | Round |
| Case Details | White | Iris | Black | Black titanium | Titanium grey |
| BAND | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Size | S | - |
| Fits Wrist with Circumference | 124-185 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | D-buckle |
| Band Material | Silicone | - |
| Band Colour | White | Iris | Black | Black titanium | Titanium grey |
| STORAGE | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Storage Capacity | - | 16 GB |
|---|---|---|
| User Memory | - | 7.5 GB |
| RAM | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| RAM Size | - | 1.5 GB |
|---|
| CPU | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Manufacturer | - | Samsung |
|---|---|---|
| CPU Type | - | Exynos W920 |
| Clock Speed | - | 1.18 GHz |
| BATTERY | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Capacity | - | 590 mAh |
|---|---|---|
| Battery Life | - | 80 hours |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
- |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| Wireless Charging Standards | - | WPC, Wireless PowerShare |
| MISCELLANEOUS | Garmin Forerunner 45S | Samsung Galaxy Watch5 Pro |
|---|
| Included Accessories | Charging/data cable | Wireless charging dock |
|---|---|---|
| Preloaded Software | - | Deezer, Google Maps, YouTube Music, SoundCloud |
| Compliant Standards | - | IP68, MIL-STD 810H |
| SAR Value | - | 0.403 W/kg (limb), 0.087 W/kg (head) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | SM-R920 |
| Warranty | - | 2-year warranty |
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