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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, ManufacturerAmazfit T-Rex 3 vs Apple Watch Series 10
Choosing between Amazfit T-Rex 3 and Apple Watch Series 10 can be tricky. Both are excellent, but they serve different priorities. This guide highlights what matters for US shoppers.
Ratings: 4.5★ vs 4.7★
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Amazfit T-Rex 3
★4.5
(1,926)•Amazon
Compatibility:Android 7.0 or later; iOS 14.0 or later (Zepp App required)
Operating System:Zepp OS 4
Case Size:48.5mm x 48.5mm x 13.75mm
Case Material:Polymer middle frame; Stainless steel bezel (316L)
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Apple Watch Series 10
★4.7
(15,669)•Amazon
Compatibility:iPhone Xs or later, including iPhone SE (2nd generation or later), with iOS 18 or later
Operating System:watchOS 11
Case Size:46mm (46mm H x 39mm W x 9.7mm D) or 42mm (42mm H x 36mm W x 9.7mm D)
Case Material:Aluminum (Jet Black, Rose Gold, Silver) or Titanium (Slate, Gold, Natural)
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Comparison: Amazfit T-Rex 3 vs Apple Watch Series 10
Amazfit T-Rex 3
★4.5(1,926)Amazon
Apple Watch Series 10
★4.7(15,669)Amazon
| Criterion | Amazfit T-Rex 3 | Apple Watch Series 10 |
|---|---|---|
| Rating | ★4.5(1,926)Amazon | ★4.7(15,669)Amazon |
Compatibility | Android 7.0 or later; iOS 14.0 or later (Zepp App required) | iPhone Xs or later, including iPhone SE (2nd generation or later), with iOS 18 or later |
Operating System | Zepp OS 4 | watchOS 11 |
Case Size | 48.5mm x 48.5mm x 13.75mm | 46mm (46mm H x 39mm W x 9.7mm D) or 42mm (42mm H x 36mm W x 9.7mm D) |
Case Material | Polymer middle frame; Stainless steel bezel (316L) | Aluminum (Jet Black, Rose Gold, Silver) or Titanium (Slate, Gold, Natural) |
Display Type | AMOLED; Gorilla Glass; Peak brightness 2000 nits | Always-On Retina LTPO3 OLED; Wide-angle; Up to 2000 nits brightness; Minimum 1 nit |
Display Size | 1.5 in (38.1 mm) diameter | 1220 sq mm (46mm) / 989 sq mm (42mm) display area |
Resolution | 480 x 480 pixels (322 ppi) | 416 x 496 pixels (46mm); 374 x 446 pixels (42mm) |
Always On Display | Yes | Yes |
Water Resistance | 10 ATM (100 meters); Freediving certified (EN13319) to 45m | 50 m (ISO 22810:2010); Swimproof |
Durability | MIL-STD-810H (70°C heat / -30°C cold / Shock / Humidity); Mud-resistant bridge and buttons | IP6X dust resistant; Crack-resistant front crystal |
GPS | Dual-band GNSS (L1+L5); 6 Satellite Positioning Systems (GPS, GLONASS, Galileo, BeiDou, QZSS, NAVIC) | L1 GPS, GNSS, Galileo, and BeiDou |
Connectivity | Wi-Fi (2.4GHz); Bluetooth 5.2; BLE | LTE and UMTS (GPS + Cellular models); Wi-Fi 4 (802.11n); Bluetooth 5.3; 2nd-gen Ultra Wideband chip |
NFC Payments | Zepp Pay (Europe/parts of Asia only); Not supported on US models | Apple Pay |
Sensors | BioTracker™ 6.0 PPG biometric sensor (SpO2, Heart Rate); Accelerometer; Gyroscope; Geomagnetic sensor; Barometric altimeter; Ambient light sensor; Temperature sensor (skin/water) | Electrical heart sensor (ECG); 3rd-gen optical heart sensor; Temperature sensor; Compass; Always-on altimeter; High-g accelerometer; High dynamic range gyroscope; Ambient light sensor; Depth gauge (to 6m); Water temperature sensor |
Health Features | Readiness Score; HRV (Heart Rate Variability); Sleep Breathing Quality; One-tap measuring (HR, SpO2, Stress, Breathing rate); Sleep stages (REM/Deep/Light); PAI Health Assessment | Sleep Apnea notifications; Blood Oxygen app; ECG app; Cycle Tracking with retrospective ovulation estimates; High/low heart rate notifications; Irregular rhythm notifications; Medications; Mindfulness; Vitals app |
Workout Modes | Hyrox Race mode; Ultramarathon; Freediving; Strength Training (auto-detection of 25 movements); Triathlon; Skiing; Snowboarding; Surf; and 170+ others | Strength, HIIT, Pilates, Yoga, Swimming (Pool & Open Water), Running, Cycling, Hiking, Multisport, Tai Chi, Kickboxing, Dance, Cooldown, and more via Workout app |
Storage | 32GB (Approx. 26GB user-accessible for Music/Maps) | 64GB |
Speaker Mic | Microphone (for Zepp Flow voice commands); No Speaker (Buzzer/Beeper only for alerts) | Speaker (media playback supported); Microphone with Voice Isolation |
Calls | No (Cannot answer calls on wrist; can reject/ignore calls) | Yes (GPS + Cellular models standalone); GPS models via paired iPhone |
Battery | 700 mAh; Up to 27 days (Typical usage); Up to 13 days (Heavy usage); Up to 42 hours (Accuracy GPS mode); Up to 114 hours (GPS Long Battery Life) | Up to 18 hours (normal use); Up to 36 hours (Low Power Mode) |
Charging | Magnetic charging base (2-pin); Approx. 3 hours to full charge | Fast charge (0–80% in approx. 30 min); Magnetic Fast Charger to USB-C Cable (1m) included |
Weight | 68.3 g (without strap) | Aluminum: 36.4g (46mm) / 30g (42mm); Titanium: 41.7g (46mm) / 34.4g (42mm) |
Band Sizes | 22mm width; Fits 145–210mm wrists (Proprietary screws but includes adapters for standard bands in some regions) | Fits 140–245mm wrists (46mm); Fits 130–200mm wrists (42mm) |
Extras | Offline Maps (Contour/Terrain); Turn-by-turn navigation; Zepp Flow (AI voice assistant); Night Display mode; Glove mode | S10 SiP with 4-core Neural Engine; Double tap gesture; On-device Siri; Crash Detection; Fall Detection |
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Amazfit T-Rex 3
Rating:★4.5(1,926)Amazon
Compatibility:Android 7.0 or later; iOS 14.0 or later (Zepp App required)
Operating System:Zepp OS 4
Case Size:48.5mm x 48.5mm x 13.75mm
Case Material:Polymer middle frame; Stainless steel bezel (316L)
Display Type:AMOLED; Gorilla Glass; Peak brightness 2000 nits
Display Size:1.5 in (38.1 mm) diameter
Resolution:480 x 480 pixels (322 ppi)
Always On Display:Yes
Water Resistance:10 ATM (100 meters); Freediving certified (EN13319) to 45m
Durability:MIL-STD-810H (70°C heat / -30°C cold / Shock / Humidity); Mud-resistant bridge and buttons
GPS:Dual-band GNSS (L1+L5); 6 Satellite Positioning Systems (GPS, GLONASS, Galileo, BeiDou, QZSS, NAVIC)
Connectivity:Wi-Fi (2.4GHz); Bluetooth 5.2; BLE
NFC Payments:Zepp Pay (Europe/parts of Asia only); Not supported on US models
Sensors:BioTracker™ 6.0 PPG biometric sensor (SpO2, Heart Rate); Accelerometer; Gyroscope; Geomagnetic sensor; Barometric altimeter; Ambient light sensor; Temperature sensor (skin/water)
Health Features:Readiness Score; HRV (Heart Rate Variability); Sleep Breathing Quality; One-tap measuring (HR, SpO2, Stress, Breathing rate); Sleep stages (REM/Deep/Light); PAI Health Assessment
Workout Modes:Hyrox Race mode; Ultramarathon; Freediving; Strength Training (auto-detection of 25 movements); Triathlon; Skiing; Snowboarding; Surf; and 170+ others
Storage:32GB (Approx. 26GB user-accessible for Music/Maps)
Speaker Mic:Microphone (for Zepp Flow voice commands); No Speaker (Buzzer/Beeper only for alerts)
Calls:No (Cannot answer calls on wrist; can reject/ignore calls)
Battery:700 mAh; Up to 27 days (Typical usage); Up to 13 days (Heavy usage); Up to 42 hours (Accuracy GPS mode); Up to 114 hours (GPS Long Battery Life)
Charging:Magnetic charging base (2-pin); Approx. 3 hours to full charge
Weight:68.3 g (without strap)
Band Sizes:22mm width; Fits 145–210mm wrists (Proprietary screws but includes adapters for standard bands in some regions)
Extras:Offline Maps (Contour/Terrain); Turn-by-turn navigation; Zepp Flow (AI voice assistant); Night Display mode; Glove mode
✓ Pros:
- • Incredible 27-day battery life crushes the competition
- • Large, bright 1.5" AMOLED (2000 nits) is easy to read outdoors
- • Free offline contour maps with turn-by-turn navigation
- • Freediving certified to 45m (rare at this price point)
- • Generous 32GB storage for offline music and global maps
✗ Cons:
- • No built-in speaker (alerts are beeps/vibrations only)
- • NFC payments (Zepp Pay) are not supported on US hardware
- • Large 48.5mm case is bulky for smaller wrists
- • Proprietary strap system requires adapters to use standard bands
As an Amazon Associate I earn from qualifying purchases.
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Apple Watch Series 10
Rating:★4.7(15,669)Amazon
Compatibility:iPhone Xs or later, including iPhone SE (2nd generation or later), with iOS 18 or later
Operating System:watchOS 11
Case Size:46mm (46mm H x 39mm W x 9.7mm D) or 42mm (42mm H x 36mm W x 9.7mm D)
Case Material:Aluminum (Jet Black, Rose Gold, Silver) or Titanium (Slate, Gold, Natural)
Display Type:Always-On Retina LTPO3 OLED; Wide-angle; Up to 2000 nits brightness; Minimum 1 nit
Display Size:1220 sq mm (46mm) / 989 sq mm (42mm) display area
Resolution:416 x 496 pixels (46mm); 374 x 446 pixels (42mm)
Always On Display:Yes
Water Resistance:50 m (ISO 22810:2010); Swimproof
Durability:IP6X dust resistant; Crack-resistant front crystal
GPS:L1 GPS, GNSS, Galileo, and BeiDou
Connectivity:LTE and UMTS (GPS + Cellular models); Wi-Fi 4 (802.11n); Bluetooth 5.3; 2nd-gen Ultra Wideband chip
NFC Payments:Apple Pay
Sensors:Electrical heart sensor (ECG); 3rd-gen optical heart sensor; Temperature sensor; Compass; Always-on altimeter; High-g accelerometer; High dynamic range gyroscope; Ambient light sensor; Depth gauge (to 6m); Water temperature sensor
Health Features:Sleep Apnea notifications; Blood Oxygen app; ECG app; Cycle Tracking with retrospective ovulation estimates; High/low heart rate notifications; Irregular rhythm notifications; Medications; Mindfulness; Vitals app
Workout Modes:Strength, HIIT, Pilates, Yoga, Swimming (Pool & Open Water), Running, Cycling, Hiking, Multisport, Tai Chi, Kickboxing, Dance, Cooldown, and more via Workout app
Storage:64GB
Speaker Mic:Speaker (media playback supported); Microphone with Voice Isolation
Calls:Yes (GPS + Cellular models standalone); GPS models via paired iPhone
Battery:Up to 18 hours (normal use); Up to 36 hours (Low Power Mode)
Charging:Fast charge (0–80% in approx. 30 min); Magnetic Fast Charger to USB-C Cable (1m) included
Weight:Aluminum: 36.4g (46mm) / 30g (42mm); Titanium: 41.7g (46mm) / 34.4g (42mm)
Band Sizes:Fits 140–245mm wrists (46mm); Fits 130–200mm wrists (42mm)
Extras:S10 SiP with 4-core Neural Engine; Double tap gesture; On-device Siri; Crash Detection; Fall Detection
✓ Pros:
- • Largest, most advanced display in a standard Apple Watch
- • Thinnest design ever (9.7mm) with lighter weight options
- • Faster charging (80% in 30 mins) aids sleep tracking
- • New health features including Sleep Apnea notifications
- • Includes depth gauge and water temperature sensor
✗ Cons:
- • Battery life remains 18 hours (requires daily charging)
- • Titanium finish commands a significant price premium
- • Requires iPhone Xs or newer (Android incompatible)
- • Some features (Blood Oxygen) strictly dependent on region
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Which one is better?
Apple Watch Series 10 is stronger in overall satisfaction, but Amazfit T-Rex 3 could still be the better pick if you value its unique advantages.
Who should buy each?
For performance and polish: Amazfit T-Rex 3 (Incredible 27-day battery life crushes the competition, Large, bright 1.5" AMOLED (2000 nits) is easy to read outdoors)
For value or versatility: Apple Watch Series 10 (Largest, most advanced display in a standard Apple Watch, Thinnest design ever (9.7mm) with lighter weight options)
Conclusion
Amazfit T-Rex 3 and Apple Watch Series 10 are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Frequently Asked Questions
+Which has better value?
Amazfit T-Rex 3 excels if you value incredible 27-day battery life crushes the competition. Apple Watch Series 10 is better if you prioritize largest, most advanced display in a standard apple watch. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
Affiliate disclosure
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