Featured in today’s comparison is Fitbit Inspire 2 vs Charge 4 – these two are some of the hottest Fitbit trackers that are very popular among fitness enthusiasts. Both smartbands will track your daily activities like sleep, heart rate, calories and you can choose from the available 20 sport modes. However, Charge 4 is a higher-end device compared to Inspire 2, it has inbuilt GPS, SpO2 tracking, control Spotify and more – this explains why it’s priced higher. This comparison chart compares the differences between The Inspire 2 and Charge 4 to help you decide which is right for you.
Fitbit Inspire 2 vs Charge 4: Specifications Compared
| Product Info |  Fitbit Inspire 2 Specifications, Features and Price |
 Fitbit Charge 4 Special Edition Specifications, Features and Price |
|---|---|---|
| Price | ||
| ABOUT DEVICE | ABOUT DEVICE | ABOUT DEVICE |
| Device name | Fitbit Inspire 2 | Fitbit Charge 4 |
| Device type | Fitness smartband | Fitness smartband |
| Gender | Unisex | Unisex |
| Release date | September, 2020 | March, 2020 |
| Predecessor | Fitbit Inspire | Fitbit Charge 3 |
| Successor | — | — |
| Versions | — | Fitbit Charge 3 (special edition) |
| BODY | BODY | BODY |
| Dimension | 37.3 x 16.7 x 12.7 mm | 35.8 x 22.7 x 12.5 mm |
| Weight | — | 27 grams |
| Shape | Rectangular | Rectangular |
| Case material | Plastic Resin | Plastic Resin |
| Strap material | Silicone | Elastomer, Polyester |
| 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 | Corning Gorilla Glass 3 |
| Water resistance | Yes, 5ATM | Yes, 5ATM |
| Durability test | — | — |
| Swim-proof | Yes, recommended | Yes, recommended |
| Color | Black, Desert rose, Lunar white | Black/granite |
| DISPLAY | DISPLAY | DISPLAY |
| Display size | 1.4 inches | 1.57 inches |
| Display type | OLED | Monochromic, OLED |
| Display resolution | 126 x 36 px | — |
| Pixel density | — | — |
| Always on | No | No |
| Custom watch face | Yes | Yes |
| Input type | 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 | No | 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 | No | Yes |
| Ambient light | No | No |
| Barometer | No | No |
| Compass | No | No |
| ECG | No | No |
| Gyroscope | No | — |
| HRM | Yes | Yes |
| Pulse oximeter | No | Yes |
| Thermometer | No | No |
| Other sensors | Vibration motor | Vibration motor |
| ACTIVITY TRACKING | ACTIVITY TRACKING | ACTIVITY TRACKING |
| Blood oxygen | No | Yes |
| Blood Pressure | - | No |
| Calories | Yes | Yes |
| Distance | Yes | Yes |
| ECG tracking | No | No |
| Fitness Level | Yes | Yes |
| Heart rate monitoring | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Steps | Yes | Yes |
| Stress | Yes | Yes |
| Incidental fall detection | No | No |
| Menstrual cycle | Yes | Yes |
| VO2 Max | — | Yes |
| Swim-tracking | Yes | Yes |
| Swim-heart tracking | No | No |
| On-screen workout | No | No |
| Sport modes | 20+ | 20 |
| BATTERY | BATTERY | BATTERY |
| Battery type | non-removable Lithium-polymer | non-removable Lithium-polymer |
| Battery capacity | — | — |
| Battery life | Regular: 10 days | Regular: 7 days+, Standby:10 days+ |
| Charging type | Charging dock | Charging dock |
| Charging time | 1-2 hours | 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 | None | Fitbit Pay |
| Interchangeable strap | Yes | Yes |
| Voice command | No | No |
| Find my phone | Yes | Yes |
| Box content | Charger, Fitbit Inspire 2, Manual, Straps | Charger, Fitbit Charge 4, Manual, Straps |
| Price |
Summary
In summary, both the Inspire 2 and Charge 4 do about the same thing which is to help you stay fit and as well help you manage notifications you receive from your phone. Each of these two will track your heart rate, sleep in four stages, calories and steps. You will also get the option of choosing from 20 preset sport modes on both smartbands. And you can choose apps to receive notifications from. Both devices also have long battery life.
However,
- Charge 4 has a slightly bigger display than Inspire 2, yet very compact and lightweight.
- Charge 4 has inbuilt GPS that allows you to track your outdoor activities without having to carry your phone along. Unlike Inspire 2 which will also allow you to track outdoor activities like your route and location, but you must carry your phone along with you.
- Charge 4 will track your SpO2 level and display the result via any of Fitbit’s SpO2 watch faces, Inspire 2 lacks SpO2 monitoring.
- Charge 4 has an altimeter that enables it to count floors climbed which Inspire 2 lacks.
- There’s an NFC chip in Charge 4 which will allow you to access Fitbit Pay and make payment with your card directly from the Charge 4. Inspire 2 lacks this feature.
- Charge 4 can control Spotify playlist which isn’t possible with Inspire 2.
- Charge 4 has a “Do Not Disturb” mode which Inspire 2 lacks. This will allow you to mute notifications during the time of sleep or otherwise.
On the other hand’
- Inspire 2 has a longer battery life of up to 10 days compared to 7 days with Charge 4.
- Inspire 2 is also cheaper, yet a nice fitness tracker that can help you stay fit.
Final Words
Fitbit Charge 4 is a more complete device than Inspire 2, it gives you access to more features. On the other hand, Inspire 2 is cheaper and is a decent solution if you’re just interested in the basics and do mostly indoor workouts.
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