In depth comparison and review of Garmin Forerunner 745 and Samsung Galaxy Watch4. 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 745 | Samsung Galaxy Watch4 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Wear OS by Samsung |
| Supported Host Device OS | iOS, Android | Android 6.0 (Marshmallow) or later |
| Wearing Style | Watch style | Watch style |
| Width | 43.8 mm | 39.3 mm |
| Height | 43.8 mm | 40.4 mm |
| Depth | 13.3 mm | 9.7 mm |
| Weight | 47 g | 25.9 g |
| Body Material | Fibre-reinforced polymer | Aluminium |
| Protection | Water-resistant | Waterproof |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Sensors | Accelerometer, digital compass, thermometre, gyro sensor, heart rate, barometric altimeter, Pulse Ox sensor | Accelerometer, ambient light sensor, barometer, gyro sensor, bioimpedance sensor, electromagnetic compass, optical heart sensor, electrical heart sensor |
|---|---|---|
| Tracking Data | Distance, time, calories burned, sleep activity, heart rate, steps taken, floors climbed, blood oxygen saturation, stress level, menstrual cycle, temperature, hydration, recovery time, training load | Distance, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, body composition, ECG, REM phases |
| Goal Setting | Yes | Yes |
| Features | Find phone function, VO2 max, HR zones, VIRB control, Move IQ, Garmin Connect compatible, Find my Device, store & play music, rejecting a call, Garmin Elevate, LiveTrack, TrueUp, Body Battery, auto lap, Physio TrueUp, music playback control, weather information | Find phone function, VO2 max, automatic exercise recognition, personalised coaching |
| Notifications | Calendar, SMS, Email, social apps, incoming calls | Calendar, SMS, social apps, incoming calls |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Vibration alert, visual interface | Vibration alert, visual interface |
| Digital Player | - | MP3, WAV, AAC, AMR, M4A, OGG, 3GA, AWB, OGA |
| Navigation (GPS) | GPS/GLONASS/Galileo receiver | GPS/GLONASS/Galileo/BeiDou receiver |
| Payment Technology | Garmin Pay | - |
| CELLULAR | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Wireless Interface | Bluetooth, Wi-Fi, NFC, ANT+ | NFC, IEEE 802.11a/b/g/n, Bluetooth 5.0 |
|---|---|---|
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) |
| DISPLAY | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | Super AMOLED - colour |
|---|---|---|
| Resolution | 240 x 240 pixels | 396 x 396 pixels |
| Screen Size | 1.2" | 1.19" |
| Aspect Ratio | - | Full circle |
| Pixel Density | - | 330 ppi |
| Colour Depth | - | 24-bit (16.7 million colours) |
| Screen Protection | Corning Gorilla Glass DX (scratch resistant glass) | Corning Gorilla Glass DX+ (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Case Size | - | 40 mm |
|---|---|---|
| Case Shape | Round | Round |
| Bezel | Fibre-reinforced polymer | - |
| Case Details | Black | Neo tropic | Pink gold | Black | Silver |
| BAND | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Width | 22 mm | - |
| Fits Wrist with Circumference | 126-216 mm | - |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | - |
| Band Colour | Black | Pink | Black | White |
| STORAGE | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Storage Capacity | - | 16 GB |
|---|---|---|
| User Memory | - | 7.6 GB |
| RAM | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| RAM Size | - | 1.5 GB |
|---|
| CPU | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Manufacturer | - | Samsung |
|---|---|---|
| CPU Type | - | Exynos W920 |
| Clock Speed | - | 1.18 GHz |
| BATTERY | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Capacity | - | 247 mAh |
| Battery Life | 7 day(s) | 40 hours |
| Battery Life Details | Smartwatch mode - up to 7 days GPS mode - up to 16 hour(s) GPS with Music mode - up to 6 hour(s) UltraTrac mode - up to 21 hour(s) |
- |
| Rechargeable Battery | - | Yes |
| Wireless Charging | - | Yes |
| Wireless Charging Standards | - | WPC, Wireless PowerShare |
| MISCELLANEOUS | Garmin Forerunner 745 | Samsung Galaxy Watch4 |
|---|
| Included Accessories | USB cable | Wireless charging dock |
|---|---|---|
| Preloaded Software | Garmin Pay, Garmion Connect IQ | - |
| Compliant Standards | - | MIL-STD 810G, IP68 |
| SAR Value | - | 0.729 W/kg (head), 2.594 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 60 °C | - |
| Min Operating Temperature | -20 °C | - |
| Manufacturer Model Number | - | SM-R865F |
| Warranty | 1-year warranty | 2-year warranty |
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