In depth comparison and review of Fitbit Versa 4 and Apple Watch Series 9 (GPS + Cellular). 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 | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Product Type | Smart watch | Smart watch |
|---|---|---|
| Operating System | - | WatchOS 10 |
| Supported Host Device OS | Android 10 or later, iOS 13.4 or later | iOS 17 or later |
| Wearing Style | Watch style | Watch style |
| Audio Input | Microphone | Microphone |
| Audio Output | Speaker | Speaker |
| Width | 40.5 mm | - |
| Height | 40.5 mm | - |
| Depth | 11.2 mm | - |
| Body Details | - | Case only: 32.1 g |
| Body Material | - | 100% recycled aluminium |
| Protection | Water-resistant | Water-resistant, dust-resistant, crack-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Sensors | Ambient light sensor, altimeter, SpO2 sensor, 3-axis accelerometer, optical heart sensor, vibration motor | Digital compass, electrical heart sensor, blood oxygen sensor, optical heart sensor (3d gen), always-on altimeter, temperature sensor, high-g accelerometer, gyroscope with high dynamic range |
|---|---|---|
| Tracking Data | Distance, calories burned, activity, sleep activity, heart rate, steps taken, pace, stress level, menstrual cycle, Resting Heart Rate (RHR), breathing rate, sleep quality score | Distance, time, calories burned, activity, sleep activity, heart rate, blood oxygen saturation, sleep stages, menstrual cycle, ECG, ovulation phase, mental wellbeing |
| Modes | 40+ sports modes | - |
| Goal Setting | Yes | Yes |
| Features | Find phone function, VO2 max, Heart Rate Variability (HRV) monitoring, HR zones, automatic exercise recognition, smart Wake-Up, Active Zone Minutes, guided breathing session, Always-on display, Sleep Score, Sleep Profile, Stress Management Score, Daily Readiness Score | Fall detection, Emergency SOS, brightness: 2000 nits, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, fast charge, precision finding for iPhone, elevation view |
| Notifications | SMS, incoming calls, applications, high and low heart rate | Calendar, SMS, Email, applications, high and low heart rate, irregular rhythm, cardio fitness |
| Vibrating Alert | Yes | Yes |
| Feedback Type | Audio alert, vibration alert, visual interface | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | GPS/GLONASS receiver | GPS/GLONASS/Galileo/BeiDou/QZSS receiver |
| Payment Technology | FitBit Pay | Apple Pay |
| Internet of Things (IoT) Compatible | Yes | Yes |
| IoT Intelligent Assistant | Alexa built-in | Siri |
| IoT Voice Controlled | - | Direct |
| CELLULAR | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Technology | - | WCDMA (UMTS) |
|---|---|---|
| Mobile Broadband Generation | - | 4G |
| SIM Card Type | - | Electronic SIM card (e-SIM) |
| CONNECTIVITY | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| 3M UMTS Band | - | Band 1, Band 2, Band 5, Band 10 |
|---|---|---|
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 7, Band 8, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 39, Band 40, Band 41, Band 66 |
| Wireless Interface | NFC, Bluetooth 5.0 | IEEE 802.11b/g/n, LTE, Ultra-Wideband (UWB), Bluetooth 5.3 |
| DISPLAY | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Type | Colour | Retina LTPO OLED - colour |
|---|---|---|
| Resolution | - | 352 x 430 pixels |
| Screen Protection | - | Ion-X glass |
| Always On Display (AOD) | Yes | Yes |
| INPUT DEVICE | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Type | Touch sensitive screen | Touch sensitive screen, side button, double tap gesture |
|---|
| CASE | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Case Size | 40 mm | 41 mm |
|---|---|---|
| Case Shape | Square | Rectangular |
| Case Back | - | Sapphire crystal and ceramic back |
| Case Details | Copper rose | Graphite | Platinum | Starlight aluminium | Silver aluminium | Gold stainless steel | Graphite stainless steel | Midnight aluminium | Pink aluminum | Red aluminium | Silver stainless steel |
| Crown Type | - | Digital with haptic feedback |
| BAND | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Band Type | Band | Sport band |
|---|---|---|
| Band Size | S/L | M/L |
| Fits Wrist with Circumference | Up to 209 mm | 150-200 mm |
| Changeable | Yes | Yes |
| Clasp Type | Pin-and-tuck | Pin-and-tuck |
| Band Material | - | Fluoroelastomer |
| Band Colour | Pink sand | Black | Waterfall blue | Starlight | Storm blue | Clay | Midnight | Light pink | Red | Silver | Gold | Graphite | Winter blue |
| STORAGE | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Storage Capacity | - | 64 GB |
|---|
| CPU | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Manufacturer | - | Apple |
|---|---|---|
| CPU Type | - | S9 SiP |
| Features | - | W3 Apple wireless chip, second-generation Ultra Wideband chip, 4-core Neural Engine |
| BATTERY | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Life | 6 day(s) | 18 hours |
| Battery Life Details | Typical usage - up to 6 days GPS mode - up to 12 hour(s) |
Typical usage - up to 18 hour(s) Low power mode - up to 36 hour(s) |
| Rechargeable Battery | Yes | Yes |
| Recharge Time | 2 hour(s) | - |
| Wireless Charging | - | Yes |
| MISCELLANEOUS | Fitbit Versa 4 | Apple Watch Series 9 (GPS + Cellular) |
|---|
| Included Accessories | Charging cable, 6-month Fitbit Premium membership, wristband (129 - 175 mm), wristband (158 - 209 mm) | Magnetic fast charger to USB-C cable (1 m) |
|---|---|---|
| Preloaded Software | Google Maps, FitBit Pay, Google Wallet | GymKit |
| Compliant Standards | - | IP6X, BFR-free, PVC-free, Beryllium-free, Mercury-free, Arsenic-free |
| Specific Absorption Rate (SAR) | - | 0.15 W/kg (head) 0.36 W/kg (limb) |
| Carbon Footprint | - | 0 kg carbon emissions |
| Max Depth of Water Resistance | 50 m | 50 m |
| Max Operating Temperature | 45 °C | - |
| Min Operating Temperature | -10 °C | - |
| Manufacturer Model Number | - | A2982 |
| Warranty | 2-year warranty | - |
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