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Wearable comparison

Amazfit T-Rex 3 vs Amazfit Cheetah 2 Pro

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Amazfit T-Rex 3

Amazfit T-Rex 3

  • Screen: 480 × 480 pixels; 322 ppi.
  • Runs Zepp OS 6.
  • 700 mAh battery capacity.
  • Bluetooth 5.2.
  • 10 ATM.
KSh 33,000In Stock
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02
Amazfit Cheetah 2 Pro

Amazfit Cheetah 2 Pro

  • Screen: 466 × 466 pixels, 353 ppi.
  • 32 GB storage in this version.
  • Bluetooth 5.3 connection.
  • 540 mAh battery capacity.
  • 5 ATM.
KSh 28,000Out of Stock

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2 spaces available

Huawei Watch GT 7 41mmKSh 33,000
AmazFit Cheetah RoundKSh 28,000
AmazFit CheetahKSh 28,000
Huawei Watch GT 5 ProKSh 34,000
Huawei Watch GT 6 ProKSh 33,500
OnePlus Watch 3KSh 33,000
Amazfit Balance 2KSh 39,000
2 of 4 products

Our quick verdict

The Amazfit T-Rex 3 lasts longer between charges (27 days typical), has a larger 1.5-inch screen and is swimproof to 100 m, while the Amazfit Cheetah 2 Pro gives daily recovery scores, is lighter to wear all day and has a brighter screen for outdoor use.

Display

Amazfit T-Rex 3
480 × 480 pixels; 322 ppi
Amazfit Cheetah 2 Pro
466 × 466 pixels, 353 ppi

Capacity

Amazfit T-Rex 3
700 mAh battery capacity
Amazfit Cheetah 2 Pro
540 mAh battery capacity

Portability

Amazfit T-Rex 3
68.3 g
Amazfit Cheetah 2 Pro
45.6 g

Software

Amazfit T-Rex 3
Zepp OS 6
Amazfit Cheetah 2 Pro
Works with the Zepp app

Connections

Amazfit T-Rex 3
Bluetooth 5.2
Amazfit Cheetah 2 Pro
Bluetooth 5.3

Key differences

The main differences to help you choose.

Amazfit T-Rex 3

  • Longer battery life: up to 27 days in typical use (vs 20).
  • Longer sport-mode battery: up to 42 hours in GPS mode (vs 31 hours in GPS: mode).
  • Bigger battery: 700 mAh (vs 540 mAh).
  • Larger 1.5-inch screen (vs 1.32-inch).
  • Swimproof: water resistant to 100 m (vs 50 m).
  • Rated for free diving to 45 m.

Amazfit Cheetah 2 Pro

  • Brighter display: up to 3,000 nits (vs 2,000).
  • Lighter: 45.6 g (vs 68.3 g).
  • Titanium case (vs plastic case).
  • Daily recovery scores.
  • Speaker.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

6 priorities selected.
How each product answers the selected priorities
PriorityAmazfit T-Rex 3Amazfit Cheetah 2 Pro
Battery life700 mAh battery540 mAh battery
Portability68.3 g45.6 g
Display1.5-inch OLED display, 322 ppi1.32-inch OLED display, 353 ppi
SoftwareZepp OS 6Works with the Zepp app
ConnectionsBluetooth 5.2Bluetooth 5.3
Water resistance10 ATM5 ATM

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
Display1.5-inch AMOLED1.32-inch AMOLED
Screen resolution480 × 480 pixels; 322 ppi466 × 466 pixels, 353 ppi
Display protectionCorning Gorilla GlassSapphire crystal
Display features—Up to 3,000 nits peak brightness; Always-On Display

Connectivity

Connectivity specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
Wi-FiWi-Fi 2.4 GHz2.4 GHz Wi-Fi
BluetoothBluetooth 5.2 BLEBluetooth 5.3
Positioning / GNSSDual-band GNSS; 6 satellite positioning systemsSix-system dual-band positioning

Identity & design

Identity & design specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
BrandAmazfitAmazfit
ModelAmazfit T-Rex 3Amazfit Cheetah 2 Pro
Dimensions48.5 × 48.5 × 13.75 mm without heart-rate sensor baseScreen diameter: 43.8 × 43.8 mm; case diameter: 48 × 48 mm; thickness: 15.6 mm including heart-rate sensor, 13.2 mm excluding sensor
Weight68.3 g without strap45.6 g (without strap)
Build materialsStainless-steel bezel; polymer middle frameGrade 5 titanium frame and case; aluminum-alloy buttons; plastic bezel
Wrist size145–210 mm—
Strap / band22 mm liquid silicone; pin buckle20 mm silicone strap with classic pin buckle
Controls / buttons4 physical buttons; touchscreenFour physical buttons; touchscreen

Performance & software

Performance & software specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
Operating systemZepp OS 6—
Storage—32 GB

Audio & communication

Audio & communication specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
SpeakerUnsupportedSupported
MicrophoneSupportedSupported
CallingUnsupported—

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
SensorsBioTracker 6.0 PPG; accelerometer; gyroscope; geomagnetic sensor; barometric altimeter; ambient light; temperatureBioTracker 6.0 PPG biometric sensor (5 photodiodes + 2 LEDs); accelerometer; gyroscope; ambient-light; geomagnetic; temperature; barometric altimeter
Health & wellness features24-hour heart rate, SpO₂ and stress; one-tap measurement; PAI; breathing exercises; high and low heart-rate alerts; low SpO₂ alerts; high-altitude SpO₂ reminders24-hour heart-rate, blood-oxygen, stress and skin-temperature monitoring; one-tap heart-rate, SpO2, stress and breathing-rate measurement; PAI; heart-rate recovery; menstrual-cycle tracking; breathing exercises and health alerts
Sleep trackingSleep stages including REM; naps; sleep breathing quality; sleep scoreSleep HRV; sleep stages including REM; daytime naps; sleep schedule; breathing quality; sleep score; RestoreIQ recovery insights
Sports / workout modes177 sports modes170+ sports modes; automatic recognition of 25 strength-training movements and 8 sports movements
Training & outdoor featuresZepp Coach; PeakBeats; training templates; interval training; track running; trajectory correction; virtual pacer; offline maps; turn-by-turn navigation; route import; return navigation; route-deviation alerts; altitude assistant; compass; sunrise and sunset; moon phase; tides; storm warningsBuilt-in running workouts; Zepp Coach plans; lactate threshold; running power; ground-contact time; gait analysis; VO2 Max; Training Load, Training Effect and Training Stress Balance; offline maps; route import and planning; automatic rerouting; POI search; turn-by-turn navigation; virtual pacer; Track Run and smart trajectory correction
Diving / depth featuresFreediving to 45 m—
Safety & emergency features—Red/white LED flashlight with Boost and SOS modes; phone-call notifications; high/low heart-rate, low-SpO2 and high-stress alerts

Battery & durability

Battery & durability specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
Battery capacity700 mAh rated540 mAh
Battery life27 days typical; 13 days heavy; 40 days Battery Saver; 81 days clock; 42 hours accurate GPS; 72 hours GPS power saver; 180 hours maximum GPSTypical use: up to 20 days; heavy use: 10 days; AOD: 8 days; accurate GPS: 31 h; GPS + music: 15 h; GPS + AOD: 26 h; continuous GPS power-saving: 69 h; extended GPS: 99 h
ChargingMagnetic charging headMagnetic charging head
Water resistance10 ATM5 ATM
Durability / certificationsEN 13319; ISO 6425; GB/T 18828 diving certifications—

Compatibility

Compatibility specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
Phone compatibilityAndroid 7 or later; iOS 14 or laterAndroid 7.0 or later; iOS 14.0 or later
Companion appZeppZepp App
ColorsOnyx; Lava; GrayTitanium

Additional specifications

Additional specifications specifications comparison
SpecificationAmazfit T-Rex 3Amazfit Cheetah 2 Pro
Case materialStainless-steel bezel; polymer frame—
Pixels per inch322 ppi—
Peak brightness2,000 nits peak—
Charging timeApproximately 3 hours—
Packing listWatch with standard strap; magnetic charging head; instruction manual—
Smart recognition25 strength-training movements; 8 sports movements—
Third-party fitness appsStrava; adidas Running; TrainingPeaks; komoot; Relive; Google Fit; Apple Health—

Similarities

  • Both have OLED displays.
  • Both have similar screen sizes (1.5 and 1.32 inches).
  • Both connect over Bluetooth.
  • Both use 2.4 GHz Wi-Fi only.
  • Both use 24-hour (health & wellness features).
  • Both have a microphone.

In summary

Get the Amazfit T-Rex 3 if you want longer battery life and a larger 1.5-inch screen, or the Amazfit Cheetah 2 Pro if you would rather have daily recovery scores and a lighter watch for all-day wear.

Back to compared products ↑

In-stock alternatives

OnePlus Watch 3For Amazfit T-Rex 3OnePlus Watch 3View product ↗Huawei Watch GT 6 ProFor Amazfit T-Rex 3Huawei Watch GT 6 ProView product ↗Huawei Watch GT 6For Amazfit Cheetah 2 ProHuawei Watch GT 6View product ↗

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