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Fitbit Charge 4 is the successor to Charge 3 that was released two years ago, it’s also the latest wearable from Fitbit. The Charge 4 looks exactly like the Charge 3, but comes with new features which include inbuilt GPS, ability to control music on Spotify, NFC is now available on all models as well as more activity tracking features that include, do not disturb mode, sleep mode, and active zone minutes. Is this worth an upgrade to the new Charge 4? Compare the Charge 3 vs 4 to find out the differences.
Fitbit Charge 3 vs 4: Specs Comparison
Page Contents
| Product Info |  Fitbit Charge 3 Specifications, Features and Price |
 Fitbit Charge 4 Specifications, Features and Price |
|---|---|---|
| Price | $149.95 | |
| ABOUT DEVICE | ABOUT DEVICE | ABOUT DEVICE |
| Device name | Fitbit Charge 3 | Fitbit Charge 4 |
| Device type | Fitness smartband | Fitness smartband |
| Gender | Unisex | Unisex |
| Predecessor | Fitbit Charge 2 | Fitbit Charge 3 |
| Successor | Fitbit Charge 4 | — |
| Models | Fitbit Charge 3 (special edition) | Fitbit Charge 3 (special edition) |
| Date released | August, 2018 | March, 2020 |
| DISPLAY | DISPLAY | DISPLAY |
| Display size | 1.57 inches | 1.57 inches |
| Display type | Monochromic, OLED | Monochromic, OLED |
| Resolution | — | — |
| Pixel density | — | — |
| Customizable watchface | Yes | Yes |
| Input type | 1 Physical button, Touchscreen | 1 Physical button, Touchscreen |
| Always-On | No | No |
| BODY | BODY | BODY |
| Shape | Rectangular | Rectangular |
| Case material | Resin | Resin |
| Strap material | Elastomer | Elastomer |
| Bezel material | Resin | Resin |
| Strap size | 140 – 180mm (small), 180 -220mm (big) | 140 – 180mm (small), 180 -220mm (big) |
| Color | Black, Graphite/white, Rose-gold/berry, Rose-gold/Blue-grey | Black, Rosewood, Storm blue |
| Screen protection | Anti-scracth glass | Anti-scracth glass |
| Dimension | 38 x 18.3 x 11.8 mm | 35.8 x 22.7 x 12.5 mm |
| Weight | 30 grams | 27 grams |
| Waterproof rating | Yes, 5ATM | Yes, 5ATM |
| Swim-proof | Yes, recommended | Yes, recommended |
| Durability test | — | — |
| CONNECTIVITY | CONNECTIVITY | CONNECTIVITY |
| Bluetooth calling | No | No |
| Bluetooth | Bluetooth v4.0 | Bluetooth v4.0 |
| Wi-Fi | No | No |
| NFC | No | Yes |
| MEMORY | MEMORY | MEMORY |
| RAM | — | — |
| ROM | — | — |
| Memory card slot | No | No |
| CELLULAR | CELLULAR CONNECTIVITY | CELLULAR CONNECTIVITY |
| Network technology | None | None |
| SIM type | None | None |
| NOTIFICATIONS | NOTIFICATIONS | NOTIFICATIONS |
| SMS alert | Yes | Yes |
| Calls alert | Yes | Yes |
| Email alert | Yes | Yes |
| Event reminder | Yes | Yes |
| MEDIA | MEDIA | MEDIA |
| Audio | No | No |
| Microphone | No | No |
| Loudspeaker | No | No |
| Bluetooth music | No | No |
| Camera | No | No |
| SENSORS | SENSORS | SENSORS |
| GPS | (connected GPS), No | Yes |
| Accelerometer | Yes | Yes |
| HRM | Yes | Yes |
| Gyroscope | — | — |
| Pulse Ox. | Yes | Yes |
| Altimeter | Yes | Yes |
| Barometer | — | — |
| Compass | — | — |
| ECG | No | No |
| Thermometer | No | No |
| Ambient light | No | No |
| ACTIVITY TRACKING | ACTIVITY TRACKING | ACTIVITY TRACKING |
| Steps | Yes | Yes |
| Calories | Yes | Yes |
| Distance | Yes | Yes |
| Heart rate monitoring | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Floors climbed | Yes | Yes |
| Blood oxygen | Yes | Yes |
| Blood Pressure | No | No |
| Stress | Yes | Yes |
| ECG tracking | No | No |
| Fall detection | No | No |
| Menstrual cycle | Yes | Yes |
| VO2 Max | Yes | Yes |
| Onscreen workout | No | No |
| Preloaded 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: 7 days+, Standby:10 days+ |
| Charging type | Charging dock | Charging dock |
| Charging duration | 2hrs | 2hrs |
| Solar power | No | No |
| PLATFORM | PLATFORM | PLATFORM |
| Operating system | Fitbit OS | Fitbit OS |
| Chipset | — | — |
| CPU | — | — |
| GPU | — | — |
| MISC | MISC | MISC |
| Companion app | Fitbit App | Fitbit App |
| Compatibility | Android, iOS | Android, iOS |
| Payment system | Fitbit Pay | Fitbit Pay |
| Customizable strap | Yes | Yes |
| Voice Assistant | No | No |
| Find my phone | Yes | Yes |
| Box content | Charger, Fitbit Charge 3, Manual, Straps | Charger, Fitbit Charge 4, Manual, Straps |
| Price | $149.95 |
Fitbit Charge 3 vs 4: Features Comparison
| Fitbit Charge 3 | Fitbit Charge 4 Standard Edition | |
| SMART FEATURES | ||
| Greyscale Touchscreen Backlit OLED display that responds to natural swiping and scrolling. | Yes, Monochrome OLED | Yes, Monochrome OLED |
| Hi-Res Color Touchscreen Amplified brightness up to 1000 nits and durable screen made from Corning Gorilla Glass 3. | No | No |
| Has a loudspeaker | No | No |
| Always-on Display Just glance to see what you need during workouts or when your hands are full. | No | No |
| Ambient Light Sensor Automatically senses the amount of ambient light present, and appropriately dim the device's screen to match it. | No | No |
| Voice Assistant Check the weather, set timers, control your smart home devices, and more, powered by Amazon Alexa. Check supported countries. | No | No |
| Store and Play Songs Store and play 300+ songs on your smartwatch—plus download your favorite Pandora stations or Deezer playlists. | No | No |
| Make Payments from Watch Use your credit and debit cards to make secure purchases anywhere that accepts tap-and-pay. See supported banks | No (in special editions only) | Yes |
| Connect with Wireless Headphones Listen to your favorite tunes without the wires. | No | No |
| Spotify - Connect and Control music Control your music, "like" songs, and browse recent playlists and podcasts all from your wrist. Works with phone nearby; Spotify Premium subscription required. Not available in all countries. | No | Yes |
| Sleep Mode Use the sleep mode to mute smartphone notifications and stop your screen from turning on at night. | No | Yes |
| Do Not Disturb Mode Use do not disturb mode when you want to mute call, text, calendar and app notifications during the day. | No | Yes |
| Apps On Watch Access your favorite apps for fitness, sports, news, travel, transit and more with a simple tap. | No | No |
| On-Wrist Stats Check your stats on your Fitbit tracker or smartwatch—and get the nudge you need to reach your goals. | Yes | Yes |
| HEALTH FEATURES | ||
| Cardio Fitness Score Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score. | Yes | Yes |
| Sleep Tracking With Light, Deep And REM See your time spent in light, deep, and REM sleep stages and get sleep insights to help you improve. Learn more | Yes | Yes |
| Female Health Tracking Know your body on a deeper level using your tracker or smartwatch with the Fitbit app to follow your cycle, record symptoms and more. | Yes | Yes |
| Count floors climbed | Yes | Yes |
| Guided Breathing Sessions Find moments of calm throughout your day with personalized breathing sessions based on your heart rate. | Yes | Yes |
| 24/7 Heart Rate Tracking Use 24/7 heart rate to better track calorie burn, see your resting heart rate trends and get real-time guidance to optimize your workouts. | Yes | Yes |
| All-day Activity Tracking Track steps, distance, calories burned, active minutes, hourly activity and stationary time. | Yes | Yes |
| Sleep Score Based on your heart rate, time asleep and restlessness, this personalized score helps you better understand your sleep quality each night. | Yes | Yes |
| Sleep Tracking Understand your rest with automatic sleep tracking and silent alarms on your wrist & bedtime reminders and helpful tips in the app. | Yes | Yes |
| Resting Heart Rate Wear your tracker or smartwatch all day and night to record your resting heart rate and track heart rate over time. | Yes | Yes |
| Blood Oxygen Tracking Tracks your blood oxygen levels overnight to determine how well your blood absolves oxygen. | Yes | Yes |
| All-day Calorie Burn Better understand the total number of calories you burn—all day and during workouts—to manage your weight and stay on track toward your goals. | Yes | Yes |
| EXERCISE FEATURES | ||
| Real-Time Pace and Distance Using Built-in GPS See your real-time pace and distance without a phone, then get a map of your route in the Fitbit app. | No | Yes |
| Real-Time Pace and Distance Using Phone GPS See your real-time pace and distance by connecting to your phone's GPS, then get a map of your route in the Fitbit app. | Yes | Yes |
| Workout Intensity Map After outdoor exercise, check your workout intensity map in the Fitbit app to see your heart rate zones throughout your route. | Yes | Yes |
| Active Zone Minutes Feel a buzz when you reach your target heart rate zones during exercise and celebrate when you earn extra minutes outside of workouts. | No | Yes |
| Personalised reminders Stay on track toward your goals with personalized reminders that remind you to stay active, get hydrated, stick to a sleep schedule, and more. | Yes | Yes |
| SmartTrack - Automatic Exercise Recognition Automatically record select exercises like running, biking, and more. Also, see detailed workout information in the Fitbit app. | Yes | Yes |
| 20+ Goal-Based Exercise Modes Choose from 20+ exercise modes like run, bike, swim, yoga and more, set a goal and get real-time stats during your workouts. | Yes | Yes |
| Swimproof Water resistant up to 50M, so you can wear your tracker or smartwatch in the shower, pool, and beyond. | Yes | Yes |
| On-Screen Workouts Get personalized on-screen workouts that play on your wrist, coach you through each move and adapt based on your feedback. | No | No |
| Reminders to Move See how long you've been active throughout the day and get reminders to fit in a few extra steps when you've been sitting a bit too long. | Yes | Yes |
| Heart Rate Zones Use your personalized fat burn, cardio, and peak heart rate zones to optimize your effort during workouts. | Yes | Yes |
| ECG Tracking Has an ECG app that allows you to take ECG tests directly from your wrist - a feature that can help you detect atrial fibrillation. | No | No |
| EDA Stress Sensor Has an EDA sensor that monitors your stress level and alerts you when stress is detected. | No | No |
| Body Temprature Sensor Has a body temperature sensor that monitors your body temperature changes overnight. | No | No |
| BATTERY LIFE | ||
| Fast Charging Technology Takes far less time to charge the battery to full. | No | No |
| 7 Days+ Battery life varies with use and other factors. | 7 Days+ Battery life varies with use and other factors. |
|
| Compatibility | Compatible with both Android and iOS devices, Check supported devices | Compatible with both Android and iOS devices, Check supported devices |
Fitbit Charge 3 vs 4: The Differences
Charge 3 | Charge 4 | |
Inbuilt GPS | No, connected GPS | Yes |
Active Zone Minutes Allows you to set target heart rate and will alert you when the preset target is reached | No | Yes |
NFC (Fitbit Pay) Make payment directly from watch with Fitbit Pay | Special edition only | Yes |
Connect and Control Music on Spotify | No | Yes |
Sleep Mode | No | Yes |
Do Not Disturb Mode | No | Yes |
Should You Upgrade?
Although Charge 4 has the same appearance as Charge 3, NFC is now available in all models unlike Charge 3 where NFC is only available on Special edition. Moreover, Charge 4 also has more activity tracking features as well as inbuilt GPS that allows you to track outdoor activities without a phone, you’ll need to connect to your phone to track outdoor activities with Charge 3.
All these additions make the Charge 4 a more comprehensive smartwatch than Charge 3, but will cost you additional money. I think the slight upgrades is worth the money. However, if you already own Charge 3, I wouldn’t recommend upgrading.
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