Amazfit T-Rex 3 vs Huawei Watch GT 4: Differences Across 4 Aspects
Naila Syifa
Updated January 2025
The Amazfit T-Rex 3 and Huawei Watch GT 4 are two great options to consider if you're looking for a reliable smartwatch but don't want to spend too much money for big names like Apple, Garmin, or Samsung.
In this comparison, we'll take a closer look at the key differences between the two watches across four main aspects: design and display, health and fitness features, smartwatch features, and battery life.
Key Takeaways
The Amazfit T-Rex 3 excels in training features, diving support, and battery life, while the Huawei Watch GT 4 stands out with calorie management and Bluetooth calls. Both offer comprehensive capabilities, but serve different needs: the Amazfit T-Rex caters to athletes and outdoor enthusiasts while the Huawei Watch GT 4 suits a broader audience seeking to monitor their overall health and wellness.
Amazfit T-Rex 3
Rugged GPS Smartwatch
✓ 1.5"AMOLED
✓ Military Grade & 10 ATM
✓ 177 Sports Modes
✓ Zepp Coach & Zepp Flow
Huawei Watch GT 4
Fashion Forward
✓ 41 mm & 46 mm Size
✓ Calorie Management
✓ Pulse Wave Arrhythmia Analysis
✓ Built-In Speaker & Microphone
Design & Display
Amazfit T-Rex 3
Featuring a 1.5-inch AMOLED display, the Amazfit T-Rex 3 offers a spacious screen that can reach up to 2,000 nits of peak brightness, making it easily readable under direct sunlight. The watch has a sporty, bulky appearance with 68 grams weight and 48.5 mm case size, but it is highly rugged and built to military-grade durability standards.
The Amazfit T-Rex 3 also boasts a 10 ATM water-resistance rating, higher than the 5 ATM rating of the Huawei Watch GT 4. On top of that, while the Huawei Watch GT 4 can only be used for shallow-water activities like swimming, the Amazfit T-Rex 3 is certified for freediving up to 147 feet (44,8 meters).
Despite being less rugged than the T-Rex 3, the Huawei Watch GT 4 offers a more refined and stylish design. It comes in various colors and styles, catering to every taste and preference, from sporty, classic, to feminine aesthetics. It also has 46 mm and 41 mm size options, catering to a larger audience than the more men-oriented Amazfit T-Rex 3.
If design is the only aspect you consider between the two watches, then it's like choosing between ruggedness and style.
Health & Fitness Features
Huawei Watch GT 4
The Amazfit T-Rex 3 and Huawei Watch GT 4 are both feature-packed smartwatches offering essential health and fitness tools, including heart rate tracking, blood oxygen measurement, stress tracking, sleep tracking, and over 100 exercise modes. Both devices also track advanced workout metrics like VO2 max, recovery time, and training load, making them versatile companions for fitness enthusiasts.
However, the Amazfit T-Rex 3 takes a notable lead when it comes to strength training. It can automatically detect 25 different strength exercises and even track reps, sets, and rest times—a unique feature not available on the Huawei Watch GT 4.
Also, remember that the Amazfit T-Rex 3 is dive-rated? So it supports deeper water activities like freediving and spearfishing while the Huawei Watch GT 4 supports just shallow-water activities like swimming.
Additionally, the T-Rex 3 includes Zepp Coach, an AI-powered fitness coach that delivers personalized training plans and guidance. Another highlight is its Readiness Score, which evaluates how ready you are for the day based on the sleep and health metrics the previous night.
On the other hand, the Huawei Watch GT 4 shines with its Calorie Management system, which provides a comprehensive breakdown of calorie intake, active calories burned, resting calories, and calorie deficit. This feature is ideal for those aiming to balance diet and exercise.
Another standout health feature of the Huawei Watch GT 4 is its Pulse Wave Arrhythmia Analysis. Leveraging a PPG sensor, it can identify potential signs of atrial fibrillation (Afib). However, this method is generally less accurate compared to ECG monitoring, a feature neither of these smartwatches offers.
Smartwatch Features
Amazfit T-Rex 3
The Amazfit T-Rex 3 and Huawei Watch GT 4 equally support phone notifications, music control, camera control, NFC, and voice assistant, so you can stay connected and productive on the go. Note that some features may be limited or unavailable depending on the user's smartphone and region.
For example, on the Huawei Watch GT 4, the camera shutter is limited to iOS and Huawei phones, the NFC feature works only in China, music syncing is not supported on iOS, and the voice assistant is limited to just Huawei phone users.
For the Amazfit T-Rex 3, camera control is only supported on iOS while NFC payment with Zepp Pay works only with participating banks in Europe. The voice assistant on the Amazfit T-Rex 3, known as Zepp Flow, is also currently limited to certain regions, but it comes built-in and works with both iOS and Android devices.
One thing that gives the Huawei Watch GT 4 a clear advantage is the built-in speaker, which allows for on-wrist Bluetooth calls. You can answer and make calls directly from the watch, a feature not supported on the Amazfit T-Rex 3 due to its lack of a built-in speaker.
Battery Life
Huawei Watch GT 4
The 41 mm Huawei Watch GT 4 is rated for up to 4 days of battery life in regular usage, while the 46 mm variant has a longer regular battery life of up to 8 days.
The Amazfit T-Rex 3 is winning by a huge margin, with up to 27 days of battery life in typical usage or up to 40 days in battery-saver mode. With its exceptional battery performance, the Amazfit T-Rex 3 stands out as the clear winner in this category, appealing to active users who value long-lasting battery life.
Amazfit T-Rex 3 vs Huawei Watch GT 4
Final Thoughts
Amazfit T-Rex 3
The Amazfit T-Rex 3 is more of a sports-focused smartwatch, offering a rugged and masculine design with diving support and advanced training features like strength exercise recognition and Zepp Coach. Its unparalleled 27-day battery life also makes it an appealing choice for active users who prioritize endurance and fitness tracking over a more refined aesthetic.
Meanwhile, the Huawei Watch GT 4 is more of a lifestyle smartwatch, coming in a stylish appearance for everyday wear. The Calorie Management feature helps users seek a more balanced approach between diet and exercise, while the built-in speaker for Bluetooth calls adds convenience.
Each watch caters to a different set of user preferences, so the choice ultimately comes down to your specific needs and priorities.
If you like to read more on smartwatches, check out our other relevant guides here:
Amazfit Balance vs Galaxy Watch 7
Amazfit T-Rex 3 vs Galaxy Watch 7
Amazfit GTR 4 vs Galaxy Watch 7
Amazfit GTR 4 vs Huawei Watch GT 4
Amazfit GTR 4 vs Huawei Watch GT 5
Amazfit T-Rex 3 vs Huawei Watch GT 5
Author
Naila Syifa
Content Manager at Synced. She crafts insightful content on the latest trends in technology, consumer electronics, and smart home gadgets.
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