In depth comparison and review of Garmin Forerunner 45S and Google Pixel Watch 2. 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 | Google Pixel Watch 2 |
|---|
| Product Type | Sport watch | Smart watch |
|---|---|---|
| Operating System | - | Wear OS 4.0 by Google |
| Supported Host Device OS | iOS, Android | Android 9.0 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | - | Microphone |
| Audio Output | - | Speaker |
| Width | 39.5 mm | - |
| Height | 39.5 mm | - |
| Depth | 11.4 mm | - |
| Weight | 32 g | - |
| Body Details | - | Case only: 31 g |
| Body Material | - | 100% recycled aluminium |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Sensors | Accelerometer, heart rate | Ambient light sensor, barometer, magnetometer, altimeter, 3-axis accelerometer, blood oxygen sensor, gyroscope, compass, multipurpose electrical sensor, temperature sensor, continuous electrodermal activity (cEDA) sensor |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Calories burned, activity, sleep activity, heart rate, steps taken, mood, skin temperature, blood oxygen saturation, pace, stress level, menstrual cycle, Resting Heart Rate (RHR), heart rate variability, breathing rate, ECG, sleep quality score |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Call handling, find phone function, auto-activity detection, Find my Device, breathing training function, Fall detection, Emergency SOS, weather information, Active Zone Minutes, heart rate zones, instant message reply, customisable watch faces, Stress Management Score, Daily Readiness Score, brightness: 1000 nits, cardio fitness score |
| Notifications | Calendar, Email, social apps | Calendar, SMS, Email, incoming calls, applications, high and low heart rate, irregular rhythm |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | - | Google Pay |
| Internet of Things (IoT) Compatible | - | Yes |
| IoT Platform | - | Google Home |
| IoT Communications Type | - | Cloud |
| IoT Communications Technology | - | Wi-Fi |
| IoT Intelligent Assistant | - | Google Assistant |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Wireless Interface | Bluetooth, ANT+ | IEEE 802.11b/g/n, LTE, NFC, Bluetooth 5.0 |
|---|
| DISPLAY | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | - |
| Screen Size | 1.04" | - |
| Pixel Density | - | 320 ppi |
| Screen Protection | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Type | - | Touch sensitive screen, side button |
|---|
| CASE | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Case Back | - | Aluminium |
| Case Details | White | Iris | Black | Polished silver aluminum |
| Crown Type | - | Haptic |
| BAND | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Band Type | Band | Active band |
|---|---|---|
| Band Size | S | S/L |
| Fits Wrist with Circumference | 124-185 mm | 130-210 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | - |
| Band Material | Silicone | Fluoroelastomer |
| Band Colour | White | Iris | Black | Porcelain | Bay |
| STORAGE | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Storage Capacity | - | 32 GB |
|---|
| RAM | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| RAM Size | - | 2 GB |
|---|
| CPU | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Manufacturer | - | Qualcomm |
|---|---|---|
| CPU Type | - | 5100 |
| Features | - | Cortex M33 co-processor |
| BATTERY | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Capacity | - | 294 mAh |
| Battery Life | - | 24 hours |
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Always-on display mode - up to 24 hours |
| Rechargeable Battery | - | Yes |
| Recharge Time | - | 75 hour(s) |
| MISCELLANEOUS | Garmin Forerunner 45S | Google Pixel Watch 2 |
|---|
| Included Accessories | Charging/data cable | 2 wristbands (S+L), USB-C magnetic charging cable |
|---|---|---|
| Preloaded Software | - | Google Maps, YouTube Music, Google Wallet |
| Specific Absorption Rate (SAR) | - | 0.12 W/kg (head) 0.84 W/kg (limb) 0.203 W/kg (body) |
| Max Depth of Water Resistance | 50 m | 50 m |
| Manufacturer Model Number | - | GC3G8 |
| Warranty | - | 2-year warranty |
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