Amazfit Arc vs. Amazfit T-Rex

 AmazfitArcBuy NowAmazfitT-RexBuy Now

Basic Info

Suggested Price$69.99$140

Activity & Fitness

Cycling (Bicycling)


Duration20 days20 days


Windows Phone




Resolution72 x40360 x 360
Size0.42 inches1.3 inches


Audio Speaker


Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM




Operating SystemBuild-in

Comparing T-Rex and Arc

When it comes to fitness watches and smart wearables, the Amazfit Arc and Amazfit T-Rex are two popular options that offer unique features tailored to different types of users. Selecting the right watch for your fitness and lifestyle needs is essential to ensure you get the most out of your wearable experience.

Amazfit, a sub-brand of Huami, has built a reputation for providing high-quality fitness wearables at an affordable price. Their products are designed with users in mind, combining innovative features and durable materials to create stylish yet functional devices.

In this comprehensive comparison, we will take an in-depth look at the design, features, connectivity, and pricing of the Amazfit Arc and Amazfit T-Rex. By understanding the similarities and differences between these two smart wearables, you will be better equipped to make an informed decision on which device is best suited for your unique needs.

Design and Build

Amazfit Arc

The Amazfit Arc features a sleek and minimalist design, with a lightweight body weighing just 20 grams. Its casing is made of polycarbonate, while the strap is crafted from hypoallergenic TPU. The device is equipped with a 0.42-inch OLED display, offering a resolution of 72x40 pixels for a clear and straightforward user experience.

Amazfit T-Rex

On the other hand, the Amazfit T-Rex is designed with durability in mind, featuring a robust and rugged exterior that can withstand harsh environments. It has a larger 1.3-inch AMOLED display with a resolution of 360x360 pixels and weighs slightly more than the Arc, coming in at 58 grams. The watch casing is made of polycarbonate, while its strap is a combination of silicone rubber and polyurethane resin.

Comparison of design and build quality

In terms of design, the Arc is more suitable for those seeking a minimalistic and lightweight watch, while the T-Rex is ideal for outdoor enthusiasts who require a rugged and durable device. While both devices have a polycarbonate casing, the T-Rex offers better protection and water resistance, rated at 5 ATM, compared to the Arc’s IP67 rating.

Features and Functionality

Amazfit Arc

The Amazfit Arc does not have a dedicated operating system but provides essential fitness tracking features such as heart rate monitoring, sleep tracking, step counting, and calorie tracking. The device has an accelerometer sensor and connects via Bluetooth to compatible iOS and Android smartphones. The battery life lasts up to 20 days, allowing for continuous tracking without frequent recharging.

Amazfit T-Rex

The Amazfit T-Rex, with its built-in operating system, offers a wider range of fitness tracking features, including GPS tracking, cycling, swimming, and barometer functions in addition to the core features found in the Arc. The T-Rex also includes additional sensors like Wi-Fi connectivity and phone functions like notifications for texts, emails, and phone calls. The battery life is also up to 20 days, ensuring that your device is always ready for action.

Comparison of features and performance

When comparing the features and performance of the Amazfit Arc and T-Rex, the T-Rex outshines the Arc significantly, offering more comprehensive fitness tracking options and additional sensors. However, for individuals seeking a basic fitness tracker without the need for advanced outdoor features, the Arc may still be a suitable option.

User Interface and User Experience

Amazfit Arc

The Amazfit Arc offers a straightforward and easy-to-navigate user interface, with its OLED touch screen display showing essential fitness tracking data. The device is compatible with both iOS and Android smartphones through the Amazfit app, allowing users to customize settings, view detailed tracking data, and receive notifications for texts and calls.

Amazfit T-Rex

With its larger AMOLED touch screen display, the Amazfit T-Rex provides a visually appealing user interface and offers more customization options through various built-in apps. As with the Arc, the T-Rex is also compatible with iOS and Android smartphones and offers users access to fitness data and customization settings through the Amazfit app.

Comparison of user interface and user experience

Although both watches have touch screen displays and smartphone compatibility, the T-Rex offers a more immersive user experience due to its larger screen, additional built-in apps, and customizable settings. However, for those who prefer a simple interface with essential tracking features, the Arc remains a viable option.

Price and Value

Amazfit Arc

At an affordable $69.99 price point, the Amazfit Arc offers basic fitness tracking features and smartphone compatibility, making it a suitable option for individuals prioritizing simplicity and affordability in their fitness wearable.

Amazfit T-Rex

With a higher price point of $140, the Amazfit T-Rex provides a more comprehensive and rugged fitness tracking experience that includes additional outdoor features and advanced sensors. For those willing to invest more in their fitness wearable, the T-Rex offers excellent value for money.

Comparison of price and value

When comparing price and value, the Amazfit T-Rex offers more advanced features and overall value for its price point, while the Arc provides a more budget-friendly option for basic fitness tracking needs. Your personal needs and preferences will ultimately determine which device offers the best value for you.


Overall, the Amazfit T-Rex stands out as a more feature-rich and durable fitness wearable compared to the Arc, making it ideal for outdoor enthusiasts and individuals seeking more comprehensive activity tracking options. On the other hand, the Amazfit Arc remains a suitable option for those who prefer a minimalist design and simple fitness tracking features at an affordable price point.

Frequently Asked Questions

Which device has better battery life, the Amazfit Arc or T-Rex?

Both the Amazfit Arc and T-Rex have a battery life of up to 20 days, ensuring long-lasting use without frequent recharging.

Is the Amazfit Arc suitable for swimming?

No, the Amazfit Arc has an IP67 water resistance rating, making it unsuitable for swimming. The Amazfit T-Rex, with its 5 ATM water resistance rating, is a better option for swimming.

Can I receive notifications from my smartphone on the Amazfit Arc and T-Rex?

Yes, both the Amazfit Arc and T-Rex can receive notifications for texts, emails, and phone calls when connected to a compatible iOS or Android smartphone via Bluetooth.

Do the Amazfit Arc and T-Rex have built-in GPS?

The Amazfit T-Rex features built-in GPS for accurate location tracking during outdoor activities. However, the Amazfit Arc does not include GPS functionality.

Which device has more onboard fitness tracking features, the Amazfit Arc or T-Rex?

The Amazfit T-Rex offers a more comprehensive range of fitness tracking features, including GPS tracking, cycling, swimming, and barometer functions, in addition to the core features found in the Amazfit Arc.

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