Skip to content

Xiaomi Amazfit T-Rex vs Apple Watch 3 Nike+ (38mm)

Side by side comparison between Xiaomi Amazfit T-Rex vs Apple Watch 3 Nike+ smartwatches, differences, pros, cons and full specifications. What's the better?

,
1.3"
AMOLED

360x360

N/A
512MB
RAM

Single-core

390
mAh

(Non removable)

vs
11Points Apple Watch 3 Nike+ (38mm) Compare Xiaomi Amazfit T-Rex X
1.5"
AMOLED

340x272

N/A
768MB
RAM

Dual-core

279
mAh

(Non removable)

What's the better smartwatch? Apple Watch 3 Nike+ (38mm)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!


14 Common items in both devices
AMOLED
16 million
Capacitive
Multitouch
Accelerometer
Ambient light sensor
Heart rate
+7 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Change model 
ModelAmazfit T-RexWatch 3 Nike+ (38mm)
Other model namesMi Amazfit TRexApple Watch Nike Plus Series 3 A1858 GPS 8GB
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandXiaomiApple
Release date1/9/2020, Announced: 1/1/20209/22/2017
Depth13.5 millimeters (0.53 inches)11.4 millimeters (0.45 inches)
Size (width x height)47.47 x 47.47 millimeters (1.87 x 1.87 in)33.3 x 38.6 millimeters (1.31 x 1.52 in)
Weight58 grams (2.03 ounces)27 grams (.95 ounces)
Build, materialsPlastic body, glass frontAluminum body, glass front, ceramic back
Protection against water and others5 ATM: 50 meters waterproof5 ATM: 50 meters waterproof

📲 Display

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Display typeAMOLEDAMOLED
Screen size1.3" inches1.5" inches
Screen-to-body ratio~24.2% (screen-to-body ratio)~55.1% (screen-to-body ratio)
Display resolution360x360 pixels340x272 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)392 PPI290 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Scratch-resistant glass
Refresh rate60Hzfeature not registered
Display featuresNot supportedfeature not registered

🤖 Operating System

Amazfit T-RexApple Watch 3 Nike+ (38mm)
System versionProprietary OSWatchOS 4.0
Firmware updatefeature not registeredWatchOS 5.0
User InterfaceRTOSfeature not registered

⚙️ Processor

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Chipset32bit32bit: Apple S3 (28nm)
CPUSingle-core, 1 processor:
Single-core
Dual-core, 1 processor:
2x 1GHz ARM Cortex-A7 (Dual-core)
GPU graphical controllerfeature not registeredPowerVR G6200
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Amazfit T-RexApple Watch 3 Nike+ (38mm)
RAM memory512MB LPDDR3768MB LPDDR4
Internal storage4GB (2GB available)
eMCP
8GB (5GB available)
External storageNot supportedNot supported

📶 Mobile networks

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Dual-SIMNot supportedNot supported
SIM cardNot supportedNot supported
Maximum Download / Uploadfeature not registeredfeature not registered
Network technologyfeature not registeredfeature not registered
Frequency, bands Expand band details Collapse details
GSM MHz bandNot supportedNot supported
Primary 2G networkNot supportedNot supported
Primary 3G networkNot supportedNot supported
Primary 4G networkNot supportedNot supported
Primary 5G networkNot supportedNot supported
Primary data networkNot supportedNot supported
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Back camera (main camera)Not supportedNot supported
Main camera resolutionNot supportedNot supported
Video recording (primary)Not supportedNot supported
FlashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusNot supportedNot supported
Touch focusNot supportedNot supported
Image stabilizationNot supportedNot supported
ZoomNot supportedNot supported
Face/smile detectionNot supportedNot supported
BSI sensorNot supportedNot supported
HDRNot supportedNot supported
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Front camera (secondary)Not supportedNot supported
Front camera resolutionNot supportedNot supported
Video recording (secondary)Not supportedNot supported
Front flashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Loudspeakerfeature not registeredSupported
Active noise cancellationNot supportedNot supported
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsfeature not registeredMP4, H.264, H.263
Audio formatsfeature not registeredMP3, WAV, eAAC+, FLAC

🔌 Connectivity

Amazfit T-RexApple Watch 3 Nike+ (38mm)
USBNot supportedNot supported
Audio outputNot supportedNot supported
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFiNot supported802.11 b/g/n [wifi4] (2.4GHz)
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Amazfit T-RexApple Watch 3 Nike+ (38mm)
SensorsAccelerometer
Ambient light sensor
Compass
Heart rate
Pedometer
SpO2
Accelerometer
Ambient light sensor
Barometer
Gyroscope
Heart rate
Pedometer
Vibrating alertSupportedSupported

🔋 Battery

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity390 mAh279 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingMagnetic charging (dock)Magnetic charging (dock)
Talk time autonomy20 hours18 hours
Standby480 hours (20 days)feature not registered

➕ Other features

Amazfit T-RexApple Watch 3 Nike+ (38mm)
Call controlNot supportedNot supported
MessagingSMS (T9), E-mailSMS, E-mail
Hands-free callingNot supportedSupported
Video callingNot supportedNot supported
Ringtonesfeature not registeredfeature not registered
Web browserNot supportedNot supported
Antennafeature not registeredNot supported
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, Gray, Camouflage, Army green, Khaki
• Watch band: 22mm
• BioTracker PPG
• 14 sports mode
• AppZepp app
• Compatible with Android 5.0/iOS 10 and above
• Colors: Silver, Space Gray
• Sport Band or Nike Sport Band
• 1000 nits screen
• 3D Touch display
• Siri

☢️ Radiation rate

Amazfit T-RexApple Watch 3 Nike+ (38mm)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.17W/kg (head), 0.03W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.