Featured in this comparison are; the Fitbit Charge 3 and its predecessor, the Charge 2. We compare the specs and features of these two so you the differences.
Table of Contents
Fitbit Charge 3 vs Charge 2: Specifications Compared
| Product Info |
 Fitbit Charge 3 Specifications, Features and Price |
 Fitbit Charge 2 Specifications, Features and Price |
|---|---|---|
| Price | $119.00 | $160.00 |
| ABOUT DEVICE | ABOUT DEVICE | ABOUT DEVICE |
| Device name | Fitbit Charge 3 | Fitbit Charge 2 |
| Device type | Fitness smartband | Fitness smartband |
| Gender | Unisex | Unisex |
| Release date | August, 2018 | August, 2016 |
| Predecessor | Fitbit Charge 2 | Fitbit Charge |
| Successor | Fitbit Charge 4 | Fitbit Charge 3 |
| Versions | Fitbit Charge 3 (special edition) | — |
| BODY | BODY | BODY |
| Dimension | 38 x 18.3 x 11.8 mm | 42 x 22.86 x 12.7 mm |
| Weight | 30 grams | 36 grams |
| Shape | Rectangular | Rectangular |
| Case material | Plastic Resin | Aluminum |
| Strap material | Elastomer, Polyester | Elastomer, Polyester |
| Bezel material | Plastic Resin | Aluminum |
| Strap size | 140 – 180mm (small), 180 -220mm (big) | 140 – 180mm (small), 180 -220mm (big) |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass |
| Water resistance | Yes, 5ATM | Splash-proof |
| Durability test | — | — |
| Swim-proof | Yes, recommended | No |
| Color | Black, Lavender, White | Black, Blue, Teal |
| DISPLAY | DISPLAY | DISPLAY |
| Display size | 1.57 inches | 1.5 inches |
| Display type | Monochromic, OLED | transflective |
| 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 | No |
| NFC | (special edition), Yes | No |
| 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 | Yes |
| Barometer | — | — |
| Compass | — | — |
| ECG | No | No |
| Gyroscope | — | — |
| HRM | Yes | Yes |
| Pulse oximeter (SpO2) | Yes | — |
| Thermometer | No | No |
| Other sensors | Vibration motor | Vibration motor |
| ACTIVITY TRACKING | ACTIVITY TRACKING | ACTIVITY TRACKING |
| Blood oxygen | Yes | — |
| Blood Pressure | 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 | - |
| Stress | Yes | Yes |
| Incidental fall detection | No | No |
| Menstrual cycle | Yes | No, Yes |
| VO2 Max | Yes | — |
| Swim-tracking | Yes | — |
| Underwater heart rate tracking | No | No |
| On-screen workout | No | No |
| Sport modes | 15 | 15 |
| BATTERY | BATTERY | BATTERY |
| Battery type | non-removable Lithium-polymer | non-removable Lithium-polymer |
| Battery capacity | — | — |
| Battery life | Regular: 7 days+, Standby:10 days+ | Regular: 5 days+, Standby: 8 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 | None |
| Interchangeable strap | Yes | Yes |
| Voice command | No | No |
| Find my phone | Yes | Yes |
| Box content | Charger, Fitbit Charge 3, Manual, Straps | Charger, Fitbit Charge 2, Manual, Straps |
| Price | $119.00 | $160.00 |
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