Fitbit Charge 5 vs Fitbit Charge 6
Better figure, where one is clearly better
| FitbitCharge 5 | FitbitCharge 6 | |
|---|---|---|
| Overview | ||
| Released | September 2021 | October 2023 |
| Display | ||
| Case sizes | 36.7 mm | 36.73 mm |
| Panel | OLED | OLED |
| Always-on display | Yes | Yes |
| Display detail | 1.04-inch colour AMOLED touchscreen; 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 | Yes |
| 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; built-in GPS receiver with GLONASS; optical heart-rate tracker; multipurpose electrical sensors for EDA Scan and ECG; ambient light sensor; vibration motor | Optical heart-rate sensor; electrical sensors for ECG; red and infrared SpO2 sensors; accelerometer; ambient light sensor; device temperature sensor for skin temperature variation; vibration motor |
| Health features | EDA Scan for electrodermal activity; ECG app and irregular heart rhythm notifications in supported regions; blood oxygen and skin-temperature trends through Fitbit health metrics; sleep tracking and high/low heart-rate alerts. Availability varies by region and some insights require Premium. | ECG app and irregular heart rhythm notifications in supported regions; sleep tracking, SpO2, skin temperature variation, stress management and heart-rate alerts. Availability varies by country. |
| Fitness features | 20 exercise modes; built-in GPS; Active Zone Minutes; automatic exercise recognition; heart-rate and sleep tracking. | Built-in GPS and GLONASS; 40+ exercise modes; Active Zone Minutes; automatic exercise recognition; Google Maps directions and Google Wallet; YouTube Music controls require a compatible subscription. |
| Battery and connections | ||
| Battery life (maker's claim) | Up to 7 days | Up to 7 days |
| Mobile data option | No | No |
| Works with | iPhone and Android | iPhone and Android |
| Battery life detail | Up to 7 days; regular built-in GPS use reduces this to about 4 days. Actual battery life varies with settings and use. | Up to 7 days; use of the always-on display and SpO2 features requires more frequent charging. A full 0–100% charge takes up to 2 hours. |
| Charging | – | Included charging cable; full 0–100% charge in about 2 hours. |
| Connectivity | Bluetooth 5.0 and NFC; built-in GPS and GLONASS. Phone setup and sync use the Google Health app; current phone requirements are Android 11+ or iOS 16.4+. | Bluetooth; built-in GPS and GLONASS; NFC for Google Wallet. Compatible with Android 11 or newer and iOS 16.4 or newer through 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) | – | 30 g |
| Software | Other | Other |
| Case materials | Anodized aluminium and surgical-grade stainless steel housing; silicone band. | Aluminium case; flexible lightweight silicone band; Corning Gorilla Glass 3 display cover; water resistant to 5 ATM. |
| Size | 36.7 × 22.7 × 11.2 mm; 28 g (Wareable). | 36.73 × 23.09 × 11.2 mm; 30 g including band. |
| Bands | Small band fits 140–180 mm wrists; large band fits 180–220 mm wrists. | Small and large silicone bands included; small fits 130–170 mm wrists and large fits 170–210 mm. |
| Colours | Black/Graphite; Lunar White/Soft Gold; Steel Blue/Platinum. | Coral/Champagne Gold; Porcelain/Silver; Obsidian/Black. |
| In the box | – | Fitbit Charge 6 tracker; small and large bands; charging cable |

