Compare Google & Fitbit Smartwatches

39.2 x 25.5 x 11.5 mm

34.9 x 17 x 8.3 mm

41mm round

100% recycled aluminum case

Lightweight plastic case

Aerospace-grade aluminum case

—

—

Actua 360 domed display

—

—

Responsive display

Adjustable brightness

—

Up to 3000 nits (peak brightness)

AMOLED color display

—

320 ppi AMOLED LTPO display with DCI-P3 color

—

—

Custom 3D Corning® Gorilla® Glass 5

5 ATM

5 ATM

5 ATM

IP68

IP68

IP68

Up to 7 days

Up to 7 days^,

Up to 30 hours with always-on display

—

—

Up to 48 hours with Battery Saver mode

Ambiq AP5 MCU

—

Qualcomm Snapdragon® W5 Gen 2 Accelerated

—

—

Cortex-M55 co-processor

Built-in GPS

Connected GPS with phone

Dual-frequency GPS

Android 11.0 or newer

Android 11.0 or newer

Android 12.0 or newer

iOS 16.4 or newer

iOS 16.4 or newer

—

Proactive and adaptive coaching built with Gemini for fitness, sleep, and health

Proactive and adaptive coaching built with Gemini for fitness, sleep, and health

Proactive and adaptive coaching for fitness, sleep, and health

Personalized fitness plans

Personalized fitness plans

Personalized fitness plans

Detailed sleep insights

Detailed sleep insights

Detailed sleep insights

24/7 science-backed guidance

24/7 science-backed guidance

24/7 science-backed guidance

All-day activity tracking

All-day activity tracking

All-day activity tracking

50+ exercise modes

50+ exercise modes

50+ exercise modes

Daily Readiness Score

Daily Readiness Score

Daily Readiness Score

Cardio load^,

Cardio load^,

Cardio load^,

Target cardio load^,

Target cardio load^,

Target cardio load^,

—

—

Advanced strength training

—

—

Custom workout builder

Real-time visual guidance

—

Real-time audio and visual guidance

Live in-workout metrics on device & in app^,

—

Advanced run form tracking

—

—

Run performance dashboard

Automatic activity recognition^,

Auto Activity recognition^,

Auto Workout mode

24/7 Heart rate tracking

24/7 Heart rate tracking

Heart Zone Training

—

—

Pace Training

—

—

Enhanced workout views

Active Zone Minutes^,

Active Zone Minutes^,

Active Zone Minutes

Cardio fitness score

Cardio fitness score

Cardio fitness score

Heart rate on exercise equipment^,

Heart rate on exercise equipment^,

Heart rate on exercise equipment^,

Workouts on your phone

Workouts on your phone

Workouts on your phone

Steps, Distance & Pace tracking

Steps, Distance & Pace tracking

Steps, Distance & Pace tracking

Calorie Tracking

Calorie Tracking

Calorie Tracking

Goals and Reminders

Goals and Reminders

Goals and Reminders

Floors Climbed

—

Floors Climbed

GPS tracking for outdoor activities

GPS tracking for outdoor activities

GPS tracking for outdoor activities

Workout intensity map^,

—

Workout intensity map^,

Continuous heart rate monitoring

Continuous heart rate monitoring

Continuous heart rate monitoring

Irregular heart rhythm notifications

Irregular heart rhythm notifications

Irregular heart rhythm notifications

High and low heart rate notifications^,

High and low heart rate notifications^,

High and low heart rate notifications

ECG app with AFib detection

—

ECG app with AFib detection

—

—

Loss of Pulse Detection

Monthly blood pressure trends^,,,

Monthly blood pressure trends^,

Monthly blood pressure trends

Monthly insulin resistance trends^,,,

Monthly insulin resistance trends^,,,

Monthly insulin resistance trends

Skin temperature sensing

Skin temperature variation

Skin temperature sensing^,

SpO2 nightly average, range, trends over time

SpO2 nightly average, range, trends over time

SpO2 nightly average, range, trends over time

Heart rate variability

Heart rate variability

Heart rate variability

Resting heart rate

Resting heart rate

Resting heart rate

Breathing rate

Breathing rate

Breathing rate

Menstrual health tracking^,

Menstrual health tracking^,

Menstrual health tracking^,

Nutrition logging and guidance

Nutrition logging and guidance

Nutrition logging and guidance

Glucose data and insights with a CGM

Glucose data and insights with a CGM

Glucose data and insights with a CGM

—

—

All-day body response tracking

—

—

Stress notifications

Resilience Score

Resilience Score

Resilience Score

—

—

Stress management with EDA sensors

—

—

Mood logging and reflections

Mindfulness content

Mindfulness content

Mindfulness content

—

—

Guided breathing sessions

—

—

Monthly sleep breathing quality trends

Sleep stages and Sleep Score

Sleep stages and Sleep Score

Sleep stages and Sleep Score^,

Morning Brief

—

Morning Brief

Alarm & Timer

Silent and Smart Wake alarms

Smart Wake Alarms

—

—

Bedtime automations

Mindfulness content for sleep^,

Mindfulness content for sleep^,

Mindfulness content for sleep^,

Sleep insights^,

Sleep insights

Sleep insights^,

—

—

Safety Check

—

—

Emergency Sharing

—

—

Medical information

—

—

Fall Detection

—

—

Emergency SOS

—

—

Emergency international calling

—

—

Car Crash Detection

—

—

Earthquake Alerts

—

—

Gemini Intelligence

—

—

Raise to talk with Gemini

—

—

One-tap actions in messages^,

—

—

Proactive home screen updates

—

—

—

Quick replies

—

AI-powered smart replies^,

—

—

Google Wallet

Google Maps

—

Google Maps

—

—

Gmail

—

—

Calendar

Control music on-wrist

—

YouTube Music

Media controls during exercise

—

Media controls in exercise

—

—

Google Play

—

—

Call Screen

—

—

Pixel Recorder

Find my Device

—

Find my Device

—

—

Pixel Camera app for Wear OS

—

—

Google TV remote

—

—

Nest Cam feed

—

—

Phone Left Behind reminder^,

Weather

—

Weather

—

—

4G LTE option

—

—

LTE calls

Bluetooth 5.4^,

Bluetooth^,

Bluetooth® 6.0

Call, text, and app notifications

—

Call, text, and app notifications

—

—

Ultra-Wideband

—

—

Satellite SOS communications

PPG optical heart rate sensor

Optical heart rate monitor

Multi-path optical heart rate sensor

Electrical sensors compatible with ECG app

—

Electrical sensors compatible with ECG app

—

—

Electrical sensor to measure skin conductance (cEDA) for body response tracking

Far field skin temperature sensor

Device temperature sensor

Far field skin temperature sensor

Red and infrared sensors for SpO2 monitoring

Red and infrared sensors for SpO2 monitoring

Red and infrared sensors for SpO2 monitoring

Gyroscope

Gyroscope

Gyroscope

Altimeter

—

Altimeter

Accelerometer

Accelerometer

3-axis accelerometer

Ambient light sensor

—

Ambient light sensor

—

—

NFC

—

—

Compass

—

—

Barometer

—

—

Magnetometer

At least two years of security updates after the device is last sold on the Google Store.

At least two years of security updates after the device is last sold on the Google Store.

Three years of security updates from launch in the US.