Fitbit Charge 4 is the latest smartwatch from Fitbit released just few weeks ago, it features a newly added inbuilt GPS as well as more activity tracker features that sets it apart from its predecessor, the Chrage 3. In this comparison chart, we compare the specifications and features of the Fitbit Charge 3 vs 4 to find out the differences, and of course if an upgrade is necessary.
Table of Contents
Fitbit Charge 3 vs 4: Specifications Compared
| Product Info |
 Fitbit Charge 3 Specifications, Features and Price |
 Fitbit Charge 4 Specifications, Features and Price |
|---|---|---|
| Price | $119.00 | $143.00 |
| ABOUT DEVICE | ABOUT DEVICE | ABOUT DEVICE |
| Device name | Fitbit Charge 3 | Fitbit Charge 4 |
| Device type | Fitness smartband | Fitness smartband |
| Gender | Unisex | Unisex |
| Release date | August, 2018 | March, 2020 |
| Predecessor | Fitbit Charge 2 | Fitbit Charge 3 |
| Successor | Fitbit Charge 4 | — |
| Versions | Fitbit Charge 3 (special edition) | Fitbit Charge 4 (Special edition) |
| BODY | BODY | BODY |
| Dimension | 38 x 18.3 x 11.8 mm | 35.8 x 22.7 x 12.5 mm |
| Weight | 30 grams | 27 grams |
| Shape | Rectangular | Rectangular |
| Case material | Plastic Resin | Plastic Resin |
| Strap material | Elastomer, Polyester | Elastomer |
| Bezel material | Plastic Resin | Plastic Resin |
| Strap size | 140 – 180mm (small), 180 -220mm (big) | 140 – 180mm (small), 180 -220mm (big) |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Water resistance | Yes, 5ATM | Yes, 5ATM |
| Durability test | — | — |
| Swim-proof | Yes, recommended | Yes, recommended |
| Color | Black, Lavender, White | Black, Rosewood, Storm blue |
| DISPLAY | DISPLAY | DISPLAY |
| Display size | 1.57 inches | 1.57 inches |
| Display type | Monochromic, OLED | Monochromic, OLED |
| Display resolution | — | — |
| Pixel density | — | — |
| Always on | No | No |
| Custom watch face | Yes | Yes |
| Input type | 1 Physical button, Touchscreen | 1 Physical button, Touchscreen |
| CONNECTIVITY | CONNECTIVITY | CONNECTIVITY |
| Bluetooth | Bluetooth v4.0 | Bluetooth v4.0 |
| Bluetooth calling | No | No |
| GPS | (connected GPS), No | Yes |
| NFC | (special edition), Yes | Yes |
| Wi-Fi | No | No |
| MEMORY | MEMORY | MEMORY |
| RAM | — | — |
| ROM | — | — |
| Memory card slot | No | No |
| CELLULAR CONNECTIVITY | CELLULAR CONNECTIVITY | CELLULAR CONNECTIVITY |
| Technology | None | None |
| SIM type | None | None |
| Band | — | — |
| NOTIFICATIONS | NOTIFICATIONS | NOTIFICATIONS |
| SMS alert | Yes | Yes |
| Calls alert | Yes | Yes |
| Email alert | Yes | Yes |
| Event reminder | Yes | Yes |
| Third-party apps alert | Yes | Yes |
| MEDIA | MEDIA | MEDIA |
| Audio | No | No |
| Bluetooth music | No | No |
| Loudspeaker | No | No |
| Microphone | No | No |
| Camera | No | No |
| Radio | No | No |
| SENSORS | SENSORS | SENSORS |
| Accelerometer | Yes | Yes |
| Altimeter | Yes | Yes |
| Ambient light | No | No |
| Barometer | — | No |
| Compass | — | No |
| ECG | No | No |
| Gyroscope | — | — |
| HRM | Yes | Yes |
| Pulse oximeter (SpO2) | Yes | Yes |
| Thermometer | No | No |
| Other sensors | Vibration motor | Vibration motor |
| ACTIVITY TRACKING | ACTIVITY TRACKING | ACTIVITY TRACKING |
| Blood oxygen | Yes | Yes |
| Blood Pressure | No | No |
| Calories | Yes | Yes |
| Distance | Yes | Yes |
| ECG tracking | No | No |
| Heart rate monitoring | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Steps | Yes | Yes |
| Floors climbed | Yes | Yes |
| Stress | Yes | Yes |
| Incidental fall detection | No | No |
| Menstrual cycle | Yes | Yes |
| VO2 Max | Yes | Yes |
| Swim-tracking | Yes | Yes |
| Underwater heart rate tracking | No | No |
| On-screen workout | No | No |
| Sport modes | 15 | 20 |
| BATTERY | BATTERY | BATTERY |
| Battery type | non-removable Lithium-polymer | non-removable Lithium-polymer |
| Battery capacity | — | — |
| Battery life | Regular: 7 days+, Standby:10 days+ | Regular: 7 days+, Standby:10 days+ |
| Charging type | Charging dock | Charging dock |
| Charging time | 2hrs | 2hrs |
| Solar power | No | No |
| PLATFORM | PLATFORM | PLATFORM |
| Chipset | — | — |
| CPU | — | — |
| GPU | — | — |
| Operating system | Fitbit OS | Fitbit OS |
| MISC | MISC | MISC |
| Companion app | Fitbit App | Fitbit App |
| Compatibility | Android, iOS | Android, iOS |
| Payment system | Fitbit Pay | Fitbit Pay |
| Interchangeable strap | Yes | Yes |
| Voice command | No | No |
| Find my phone | Yes | Yes |
| Box content | Charger, Fitbit Charge 3, Manual, Straps | Charger, Fitbit Charge 4, Manual, Straps |
| Price | $119.00 | $143.00 |
Fitbit Charge 3 vs 4: The Differences
- The Charge 4 comes with inbuit GPS, joining the Ionic which also has this feature. Thisn enables effortless tracking for outdoor activities unike the Charge 3 where you must connect to your phone GPS to enable GPS functions
- The Charge 4 also come with more fitness features such as more preloaded sport modes (20 compared to 15) and the newly added Active Zone minutes that allow you set target heart rate.
- Moreover, Charge 4 weighs a little less than Charge 3 which makes it a more comfortable wear. Although, these two are very lightweight, in fact, some of the most comfortable wear you’ll find on the market.
- NFC which is only available to the Charge 3 Special edition is now available in all models of the Charge 4.
In other words, Charge 4 is a more comprehensive activity tracker than the Charge 3. On the other hand, the Charge 3 remains a nice alternative.
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