Amazfit Cheetah Pro vs T-Rex 2: side-to-side comparison

In a side-by-side comparison, the Amazfit Cheetah Pro and T-Rex 2 emerge as two innovative offerings from Zepp Health, each tailored to distinct user preferences and lifestyles. Launched in June 2023, the Cheetah Pro is a testament to the brand’s foray into dedicated running smartwatches, integrating cutting-edge technology with a focus on runners’ needs. Meanwhile, the T-Rex 2, released in May 2022, caters to the adventurous spirit, designed to endure rugged outdoor environments and appeal to those with a penchant for the outdoors.

Essential readingTop fitness trackers and health gadgets

This comparison highlights the distinct paths Zepp Health has taken to cater to different segments of the wearable tech market. Read on to find out which of these two watches is right for you.

Key takeaways

These watches target two distinct segments of the wearables space. Amazfit Cheetah Pro excels as a smartwatch with advanced features and a stylish design, ideal for serious runners and athletes. The T-Rex 2 is tailored for adventurous users, from hiking and winter sports to trail running, offering rugged durability, a variety of sports modes, and an affordable price.

View on Amazfit; View on Amazon (T-Rex 2, Cheetah Pro).

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Technical specs
Bottom line

Amazfit Cheetah Pro vs T-Rex 2: Hardware

Design & display

In the realm of look and feel, the Amazfit Cheetah Pro and T-Rex 2 present distinct aesthetics and design features, each appealing to different user preferences.

Both the Cheetah Pro and T-Rex 2 share a round design, but their build materials set them apart. The Cheetah Pro boasts a sophisticated combination of a titanium alloy bezel and a fiber-reinforced polymer frame, offering a blend of elegance and durability. This makes it not only a functional device for runners but also a stylish accessory for everyday wear. In contrast, the T-Rex 2 is constructed with a high-strength polymer body, designed to withstand rugged outdoor conditions. Its build is tailored to endure extreme environments, making it a reliable choice for outdoor adventurers.

In fact, the Amazfit T-Rex 2 has 15 military-grade certifications. These certifications demonstrate its durability and ability to withstand various challenging environments, making it a robust choice for outdoor and rugged use.

The Cheetah Pro features 2 physical buttons, including a crown, which provides a sleek and minimalistic look while ensuring easy navigation. The T-Rex 2, on the other hand, is equipped with 4 physical buttons, catering to users who prefer more direct control options, especially useful in challenging outdoor conditions where touch screen functionality might be hindered.

AMOLED display, excellent water resistance

Both watches feature AMOLED displays, known for their vivid colors and sharp contrasts. The Cheetah Pro’s display is slightly larger at 1.45 inches compared to the T-Rex 2’s 1.39 inches, offering a bit more screen real estate for viewing data and navigating menus.

The Cheetah Pro is available in a more limited color range. Its primary option being Run Track Black, which emphasizes its sleek, sporty look. The T-Rex 2 offers a broader palette of colors. This includes Astro Black & Gold, Ember Black, Wild Green, Desert Khaki, and a special Ocean Blue edition, allowing users more personalization and style choices.

In terms of water resistance, the T-Rex 2 takes a clear lead with a rating of 10 ATM. This indicates its suitability for swimming and high-intensity water activities. The Cheetah Pro, with a 5 ATM rating, is still resilient against water but is more suited for casual swimming and water exposure.

Sensor technology

In terms of sensor technology, GPS, connectivity, music storage, and NFC, the Cheetah Pro and T-Rex 2 smartwatches exhibit distinct features and capabilities.

Sensor Technology:

  • The Cheetah Pro is equipped with the advanced BioTracker 4.0 PPG biometric sensor, which supports blood-oxygen monitoring. It also includes an acceleration sensor, gyroscope sensor, geomagnetic sensor, barometric altimeter, and an ambient light sensor.
  • The T-Rex 2, on the other hand, comes with the older BioTracker 3.0 PPG biometric sensor, along with similar sensors for acceleration, gyroscope, geomagnetic, and barometric altimeter.


  • The Cheetah Pro boasts a circularly-polarized GPS antenna, offering dual-band positioning and compatibility with 6 satellite positioning systems. This feature enhances the accuracy and speed of location tracking.
  • The T-Rex 2 also supports dual-band and 6 satellite positioning systems, ensuring reliable and precise location tracking.


  • For connectivity, the Cheetah Pro offers WLAN 2.4GHz and Bluetooth 5.3, providing a more recent and faster Bluetooth connection.
  • The T-Rex 2 is equipped with Bluetooth 5.0, which is slightly older but still offers reliable and efficient connectivity.

Music Storage:

  • A significant advantage of the Cheetah Pro is its music storage capability, with a maximum storage space of 2.3GB. This allows users to store and play music directly from the watch, enhancing the user experience during workouts or outdoor activities.
  • The T-Rex 2 does not offer built-in music storage, which might be a limitation for users who prefer to have music accessible directly on their watch.


  • Neither the Cheetah Pro nor the T-Rex 2 includes NFC capabilities. This means that users cannot use these watches for contactless payments or other NFC-related functionalities.

Battery life

The Cheetah Pro demonstrates a flexible battery life, providing up to 14 days in typical usage. This extends to 24 days in battery saver mode, and an impressive 45 days in clock mode. For those with intensive usage, it lasts about 7 days. Its GPS features operate between 26 to 54 hours depending on the selected mode.

On the other hand, the T-Rex 2, with its slightly larger 500 mAh battery compared to the Cheetah Pro’s 440 mAh. So it offers a steady 24 days of normal usage and can stretch to 45 days in battery saver mode. However, in heavy usage scenarios, it offers only 10 days, and its GPS accuracy mode is limited to 26 hours. This comparison highlights the Cheetah Pro as a more versatile option for users seeking extended battery life across various modes. The T-Rex 2, on the other hand, provides a more consistent performance in standard usage conditions.

Amazfit Cheetah Pro vs T-Rex 2: Technical specs

Here’s a detailed tech specs comparison table for the Cheetah Pro and T-Rex 2 wearable devices:

Release Date
June 2023
May 2022
Case Material
Titanium alloy bezel, Fiber-reinforced polymer
High-strength polymer, Metallic painting, Silicon wristband
Physical Buttons
2 (including the crown)
47 x 47 x 11.8 mm
47.1 x 47.1 x 13.65 mm
Display Type
480 x 480 pixels
454 x 454 pixels
Screen Size
1.45 inch
1.39 inch
Weight (w/o strap)
34 grams
66.5 grams
BioTracker 4.0 PPG, Acceleration, Gyroscope, Geomagnetic, Barometric altimeter, Ambient light
BioTracker 3.0 PPG, Acceleration, Gyroscope, Geomagnetic, Barometric altimeter
10 ATM
Circularly-polarized GPS antenna, Dual-band, 6 satellite systems
Dual-band, 6 satellite systems
Built-in Speaker
Music Storage
Yes (max 2.3GB)
WLAN 2.4GHz, Bluetooth 5.3
Bluetooth 5.0
Battery Type
440 mAh
500 mAh
Battery Life
Up to 14 days (Typical), 24 days (Battery Saver), 45 days (Clock Mode), 7 days (Heavy), 26-54 hours (GPS)
24 days (Normal), 45 days (Battery Saver), 10 days (Heavy), 26 hours (GPS)
Operating System
Zepp OS 2.+
Zepp OS 2.+
Run Track Black (Titanium Alloy Bezel)
Astro Black & Gold, Ember Black, Wild Green, Desert Khaki, Ocean Blue (Special Edition)
Typical RRP
Starting at $299.99
Starting at $199.99

Amazfit Cheetah Pro vs T-Rex 2: Features

The Amazfit Cheetah Pro and T-Rex 2 offer distinct functionalities, catering to different user needs and preferences. The Cheetah Pro, with its advanced GPS technology and AI coaching, is specifically designed for serious runners and fitness enthusiasts. It stands out as a dedicated running smartwatch, providing personalized training plans and performance metrics. This makes it an ideal choice for those who seek detailed insights and guidance in their running journey. It is also good for users who are keen on tracking their fitness progress with precision.

On the other hand, the T-Rex 2 is crafted for the outdoorsy and adventurous. Its rugged design and enhanced durability, evidenced by 15 military-grade certifications, make it suitable for extreme conditions. The watch is tailored for those who engage in various outdoor activities, from hiking to trail running, and need a device that can withstand tough environments.

Fitness and health tracking

When it comes to fitness and health tracking, both watches offer a range of features, but with some differences. The Cheetah Pro’s focus is on running efficiency and performance. To this end it features advanced metrics like VO2Max, Real-Time Performance, Recovery Time, Training Effect, and Training Load. These metrics are akin to those found in professional sports watches and are invaluable for athletes and serious runners.

The T-Rex 2, while also providing fitness tracking capabilities, is more oriented towards a broader range of outdoor activities. It supports over 150 sports modes, catering to a wide variety of fitness routines. This includes specialized functions for hikers, climbers, and trail runners, such as route trajectory navigation and real-time navigation.

Smartwatch-type features

Both models offer typical smartwatch features, such as smartphone notifications, customizable watch faces, and music storage (only in the Cheetah Pro). The Cheetah Pro additionally boasts a built-in speaker, enhancing its functionality for calls and alerts. However, neither of the watches includes NFC capabilities, which limits certain functionalities like contactless payments.

Amazfit Cheetah Pro vs T-Rex 2: Price

In terms of pricing, the Amazfit Cheetah Pro and T-Rex 2 are positioned at different points in the market, reflecting their distinct features and target audiences. The Cheetah Pro, with its advanced running-focused features and premium build, is priced starting at $299.99. This price point is indicative of its positioning as a high-end smartwatch for serious runners.

On the other hand, the T-Rex 2, is a bit old now – having launched in 2022. But that means the rugged watch comes in at a more affordable starting price of $199.99. This makes it an attractive option for outdoor adventurers and those who need a robust watch capable of withstanding harsh conditions, without the premium price tag of more specialized fitness watches.

Amazfit Cheetah Pro vs T-Rex 2: Final thoughts

The Cheetah Pro, with its focus on advanced running metrics, AI coaching, and a sleek titanium alloy design, is clearly aimed at serious runners and athletes who prioritize performance tracking and style. Its higher price point is justified by its premium materials and specialized functionalities, making it a top choice for those who view their watch as an integral part of their training regimen.

On the other hand, the T-Rex 2, with its rugged build, extensive military-grade certifications, and a more approachable price, appeals to outdoor enthusiasts and adventurers. Its durability and broad range of sports modes make it a versatile companion for various outdoor activities, offering reliability and functionality in challenging environments.

View on Amazfit; View on Amazon (T-Rex 2, Cheetah Pro).

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Ivan Jovin

Ivan has been a tech journalist for over 7 years now, covering all kinds of technology issues. He is the guy who gets to dive deep into the latest wearable tech news.

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