Fitbit Charge 6 vs Fitbit Versa 4
The real choice is the kind of watch: the Fitbit Charge 6 is a fitness band and the Fitbit Versa 4 is a smartwatch. On the specs, the Fitbit Charge 6 has the edge: it is lighter and lasts a little longer (7 days).
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Key differences
-
Battery life
Evenly matched
Similar battery life: up to 7 days and 6 days.
-
GPS
Evenly matched
Both have built-in GPS with similar features.
-
Display
Fitbit Versa 4 wins
Both are AMOLED, but the Fitbit Versa 4's screen is bigger (1.58 in against 1.04 in).
-
Health
Evenly matched
Much the same health sensors.
-
Weight
Fitbit Charge 6 wins
The Fitbit Charge 6 is lighter: 30 g against 37.64 g.
Other differences
- Type Depends on you
They're built for different jobs: the Fitbit Charge 6 is a fitness band and the Fitbit Versa 4 is a smartwatch.
Which one should you choose?
Choose the Fitbit Charge 6 if…
- You want something slim and light that you forget you are wearing: it is a fitness band.
- You wear it to bed or have small wrists: it weighs 30 g.
- You'd like a bit more time between charges: it's rated for 7 days.
Choose the Fitbit Versa 4 if…
- You want apps, messages and a bright screen first: it is a full smartwatch.
- You want maps and stats easy to read: it has the bigger screen.
Full spec comparison
The Fitbit Charge 6 leads on size and durability; elsewhere the two are closely matched.
Green cells with a ✓ mark the better spec in that row. Tick "Show differences only" to hide the rows where they match.
Overview
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| Brand | ||
| Series | Charge | Versa |
| Colours | Coral/Champagne Gold Aluminum | Black / Graphite Aluminum, Waterfall Blue / Platinum Aluminum, Pink Sand / Copper Rose Aluminum, Beet Juice / Copper Rose Aluminum |
Platform & apps
They are different kinds of watch, so start with how you will use it.
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| Operating system | — | Fitbit OS |
| Works with | iPhone and Android | iPhone and Android |
| Minimum iOS | iOS 16.4 | iOS 16.4 |
| Minimum Android | Android 11 | Android 11 |
| App store | — | Yes |
| Subscription | Optional | Optional |
| Subscription name | Google Health Premium | Google Health Premium |
| Subscription features | Daily Readiness Score, Stress Management Score, in-app coaching built with Gemini | breakdown of your sleep with 10 monthly metrics, sleep animal |
Display
The Fitbit Versa 4 is ahead on the display.
It has a bigger screen, and the Fitbit Charge 6 doesn't beat it on anything here.
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| Display type | AMOLED | AMOLED |
| Screen size | 1.04 in | 1.58 in |
| Resolution | — | 336 x 336 |
| Colour display | Yes | Yes |
| Always-on display | Yes | Yes |
| Touchscreen | Yes | — |
| Controls | touchscreen, buttons | touchscreen, buttons |
Design & durability
The Fitbit Charge 6 is ahead on size and durability.
It is lighter, and the Fitbit Versa 4 doesn't beat it on anything here.
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| Case sizes | — | 40.5 mm |
| Case shape | Band | Square |
| Dimensions | 36.73 x 23.09 x 11.2 mm | 40.5 x 40.5 x 11.2 mm |
| Thickness | 11.2 mm | 11.2 mm |
| Weight (case) | 30 g | 37.64 g |
| Case material | Aluminum | Aluminum |
| Lens | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Band material | silicone | flexible material similar to that used in many sports watches |
| Fits wrists | 130-211 mm | 129.5-218.4 mm |
| Water resistance | 5 ATM | 5 ATM |
| IP rating | IP68 | IP67 |
| Water standard | ISO 22810:2010 | — |
| Operating temperature | -10 to 45 °C | 6 to 45 °C |
| Max altitude | 8,534 m | — |
Battery
The Fitbit Charge 6 is ahead on battery life.
It lasts a little longer (7 days), and the Fitbit Versa 4 doesn't beat it on anything here.
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| Battery (smartwatch mode) | 7 days | 6 days |
| All battery modes | Smartwatch: 7 days | Smartwatch: 6 days |
| Battery type | Lithium-polymer | Lithium-polymer |
| Charging | proprietary-plug | — |
| Full charge time | 120 min | 120 min |
| Fast charging | — | full day of battery life in 12 minutes |
GPS & navigation
Both have built-in GPS with similar capabilities.
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| GPS | Built-in | Built-in |
| Satellite systems | GPS, GLONASS | GPS, GLONASS |
| Navigation features | turn-by-turn | turn-by-turn |
Health & sensors
The Fitbit Charge 6 is ahead on health tracking.
It has an EDA stress sensor, and the Fitbit Versa 4 doesn't beat it on anything here.
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| Sensors | optical HR, ECG electrode, SpO2, skin temperature, EDA | optical HR, SpO2, skin temperature, accelerometer, ambient light |
| Heart-rate sensor | — | Multi-path optical heart rate sensor |
| Heart-rate tracking | 24/7 | 24/7 |
| ECG | Yes | — |
| Irregular rhythm alerts | Yes | — |
| High/low heart-rate alerts | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Skin temperature | Yes | Yes |
| Respiration rate | Yes | — |
| Sleep tracking | Sleep score | Sleep score |
| Stress tracking | Yes | Yes |
| Readiness score | Daily Readiness Score | — |
| Cycle tracking | Yes | — |
Training
Training features are evenly matched.
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| Sport profiles | 40 | — |
| Auto activity detection | Yes | Yes |
| Training metrics | VO2 max, training load | Active Zone Minutes, personalized heart-rate zones |
| Adaptive coaching | Yes | — |
| Heart-rate broadcast | Yes | — |
| External sensors | Bluetooth Heart Rate Profile exercise machines | — |
Smart features
Both offer much the same smart features.
| Spec | Fitbit Charge 6 | Fitbit Versa 4 |
|---|---|---|
| Notifications | Yes | Yes |
| Message replies | — | Android |
| Speaker | — | Yes |
| Microphone | — | Yes |
| Voice assistant | — | Alexa |
| Contactless payments | Yes | Yes |
| Payment service | Google Wallet | — |
| Offline music apps | YouTube Music | — |
| Wi-Fi | — | None |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 |
| Find my phone | Yes | Yes |