Fitbit Sense vs Fitbit Versa 4
Better figure, where one is clearly better
| FitbitSense | FitbitVersa 4 | |
|---|---|---|
| Overview | ||
| Released | September 2020 | September 2022 |
| Display | ||
| Case sizes | 40.48 mm | 40.5 mm |
| Panel | OLED | OLED |
| Always-on display | Yes | Yes |
| Display detail | 1.58-inch colour AMOLED touchscreen; 336 × 336 pixels; optional always-on display | colour AMOLED touchscreen; always-on option |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Health and fitness | ||
| ECG | Yes | No |
| Blood oxygen | Yes | Yes |
| Skin temperature | Yes | Yes |
| Sleep apnoea alerts | No | No |
| High blood pressure alerts | No | No |
| Body composition | No | No |
| Fall detection | No | No |
| Crash detection | No | No |
| GPS | Single-band | Single-band |
| Water resistance | 50 m | 50 m |
| Sensors | 3-axis accelerometer; gyroscope; altimeter; built-in GPS receiver with GLONASS; multipath optical heart-rate tracker; multipurpose electrical sensors for ECG and EDA Scan; on-wrist skin-temperature sensor; ambient light sensor; microphone; speaker; vibration motor | Optical heart-rate sensor; 3-axis accelerometer; red and infrared SpO2 sensors; altimeter; ambient light sensor; skin temperature sensor; vibration motor; microphone and speaker |
| Health features | ECG app and irregular heart rhythm notifications in supported regions; EDA Scan for stress response; blood-oxygen and skin-temperature trends; sleep tracking and heart-rate alerts. Availability varies by region and some insights require Premium. | Sleep tracking, SpO2, skin temperature variation, high and low heart-rate alerts and irregular heart rhythm notifications in supported regions; no ECG app or continuous electrodermal activity sensor. |
| Fitness features | Built-in GPS; 20+ on-device exercise modes; Active Zone Minutes; automatic activity tracking; workout intensity maps in the Fitbit app. | Built-in GPS and GLONASS; 40+ exercise modes; Active Zone Minutes; connected Google Maps directions and Google Wallet. GPS use reduces battery life. |
| Battery and connections | ||
| Battery life (maker's claim) | Up to 6 days | Up to 6 days |
| Mobile data option | No | No |
| Works with | iPhone and Android | iPhone and Android |
| Battery life detail | 6+ days; a 12-minute charge provides up to one day of use. Continuous GPS and always-on display use reduce battery life. | 6+ days; always-on display and SpO2 use require more frequent charging. A 12-minute fast charge is stated to provide a day of battery life; a full 0–100% charge takes about 2 hours. |
| Charging | – | Included charging cable; Google states a 12-minute charge provides a day of battery life; a full 0–100% charge takes about 2 hours. |
| Connectivity | Bluetooth 5.0, Wi-Fi and NFC; built-in GPS and GLONASS; microphone and speaker support Bluetooth calls with a paired phone. Phone setup and sync use the Google Health app; current phone requirements are Android 11+ or iOS 16.4+. | Bluetooth 5.0; built-in GPS and GLONASS; NFC; Wi-Fi is disabled. On-wrist Bluetooth calls require a paired phone nearby. Compatible with Android 11 or newer and iOS 16.4 or newer using the Google Health app. |
| Storage | – | Saves 7 days of detailed motion data minute by minute and daily totals for 30 days; heart-rate data at 1-second intervals during exercise and 5-second intervals at other times. |
| Design | ||
| Weight (lightest version) | – | 37.64 g |
| Software | Other | Other |
| Case materials | Anodized aluminium housing with stainless-steel sensor ring; elastomer band. | Flexible sport-watch-style band; aluminium watch case and buckle; Corning Gorilla Glass 3 display cover; water resistant to 5 ATM. |
| Size | 40.48 × 40.48 × 12.35 mm. | 40.5 × 40.5 × 11.2 mm; 37.64 g including band. |
| Bands | Small band fits 140–180 mm wrists; large band fits 180–220 mm wrists. | Small and large classic flexible-material bands included; small fits 130–180 mm wrists and large fits 165–220 mm. |
| Colours | Carbon/Graphite; Lunar White/Soft Gold; Sage Grey/Silver. | Black/Graphite; Waterfall Blue/Platinum; Pink Sand/Copper Rose; Beet Juice/Copper Rose. |
| In the box | – | Fitbit Versa 4; small and large classic bands; charging cable. |
