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Apple Watch 3 (42mm) vs Xiaomi Amazfit T-Rex Pro

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

,
Apple Watch 3 (42mm)
1.65"
AMOLED

390x312

N/A
MP

768MB
RAM

32bit Dual

352
mAh

(Non removable)

vs
07PointsXiaomi Amazfit T-Rex ProCompare Apple Watch 3 X
Xiaomi Amazfit T-Rex Pro
1.3"
AMOLED

360x360

N/A
MP

512MB
RAM

32bit Single

390
mAh

(Non removable)

What's the better smartwatch? Apple Watch 3 (42mm)

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!

Watch 3 (42mm)13 Advantages Apple Watch 3 (42mm)vsAmazfit T-Rex Pro7 Advantages Xiaomi Amazfit T-Rex Pro
+768MB LPDDR450%
More RAM memory. Typically more responsive and better for multitasking.
vs512MB LPDDR3
+16GB (10GB available)4 times
More internal storage for applications and files
vs4GB (2GB available)
+53 grams (1.86 ounces)11%
Lighter
vs59 grams (2.07 ounces)
+11.4 millimeters (0.45 inches)18%
Thinner
vs13.5 millimeters (0.53 inches)
+Stainless steel body, glass front, ceramic backAdvantage
More resistant material
vsPlastic body, glass front
+1.65"27%
Larger screen
vs1.3"
+1400000 apps (App Store)139999 times
More apps available to download and use
vs10 apps
+4G LTEAdvantage
The 4G LTE network is newer and faster
vsNot supported
+(4G LTE) 150 MbpsAdvantage
Faster for surfing the internet and download files
vs(Not supported)
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+Hands-free callingAdvantage
Hands-free calling is useful when you are driving and on other occasions
vsNot supported
+802.11 b/g/n (2.4Ghz)Advantage
WiFi 802.11 b/g/n (2.4Ghz) is newer and faster
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
390x312 pixelsvs+360x360 pixels7%
Higher resolution screen
303 PPIvs+392 PPI29%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+SpO2Advantage
Sensors help you use the device
352 mAhvs+390 mAh11%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
5 ATMvs+10 ATMAdvantage
Protection against water allows you talk to your friends in the rain, for example

15 Common items in both devices
AMOLED
16 million
Capacitive
Multitouch
Accelerometer
Ambient Light sensor
Barometer
+8 specs and more in the table below

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

Highlight differencesClear highlight

📱 Model features

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
ModelWatch 3 (42mm)Amazfit T-Rex Pro
Other model namesApple Watch Series 3 GPS + Cellular (4G LTE) Stainless SteelMi Amazfit TRex Pro
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandAppleXiaomi
Release date9/22/20173/23/2021, Announced: 3/5/2021
Depth11.4 millimeters (0.45 inches)13.5 millimeters (0.53 inches)
Size (width x height)36.4 x 42.5 millimeters (1.43 x 1.67 in)47.47 x 47.47 millimeters (1.87 x 1.87 in)
Weight53 grams (1.86 ounces)59 grams (2.07 ounces)
Build, materialsStainless steel body, glass front, ceramic backPlastic body, glass front
Protection against water and others5 ATM: 50 meters waterproof10 ATM: 100 meters waterproof

🤖 Operating System

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
System versionWatchOS 4.0Proprietary OS
Firmware updateWatchOS 5.0feature not registered
User Interfacefeature not registeredRTOS

⚙️ Processor

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
Chipset32bit - Apple S3 (28nm)32bit
CPUDual-Core, 1 processor:
1GHz Dual-Core ARM Cortex-A7
Single-Core, 1 processor:
Single-Core
GPU graphical controllerPowerVR G6200feature not registered
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
RAM memory768MB LPDDR4512MB LPDDR3
Internal storage16GB (10GB available)4GB (2GB available)
eMCP
External storageNot supportedNot supported

📲 Display

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
Display typeAMOLEDAMOLED
Screen size1.65" inches1.3" inches
Screen-to-body ratio~55.4% (screen-to-body ratio)~24.2% (screen-to-body ratio)
Display resolution390x312 pixels360x360 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)303 PPI392 PPI
Colors16 million16 million
Scratch-resistant glassSapphire GlassGorilla Glass 3
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

📶 Mobile networks

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
e-SIM (Eletronic)
Not supported
Maximum download/upload150/50 Mbpsfeature not registered
Network technology2G, 3G, 4Gfeature not registered
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Not supported
Primary 2G networkGSM 850/900/1800/1900Not supported
Primary 3G networkA1891 model (Europe,Australia):
UMTS 800/850/900/2100
A1861 model (USA,LATAM,Canada):
UMTS 800/850/1700/1900
A1892 model (China):
UMTS 2100
Not supported
Primary 4G networkLTE Cat4
A1891 model (Europe,Australia):
LTE (Bands 1,3,5,7,8,18,19,20,26)
A1861 model (USA,LATAM,Canada):
LTE (Bands 2,4,5,12,13,17,18,19,25,26)
TD-LTE (Bands 41)
A1892 model (China):
LTE (Bands 1,3)
TD-LTE (Bands 39,40,41)
Not supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTENot supported
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
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

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
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

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
LoudspeakerSupportedfeature not registered
Active noise cancellationNot supportedNot supported
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263feature not registered
Audio formatsMP3, WAV, eAAC+, FLACfeature not registered

🔌 Connectivity

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
USBNot supportedNot supported
Audio outputNot supportedNot supported
TV outputNot supportedNot supported
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)Not supported
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
SensorsAccelerometer
Ambient Light sensor
Barometer
Gyroscope
Heart rate
Pedometer
Accelerometer
Ambient Light sensor
Barometer
Compass
Heart rate
Pedometer
SpO2
Vibrating alertSupportedSupported

🔋 Battery

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
Battery typeLi-Ion: Lithium-Ion (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity352 mAh390 mAh
Charger, watts Standard charging
Magnetic charging (dock)
Standard charging
Magnetic charging (dock)
Talk time autonomy18 hours432 hours (18 days)
Standbyfeature not registered432 hours (18 days)

➕ Other features

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
Call controlVoice dialingNot supported
MessagingSMS, E-mailSMS (T9), E-mail
Hands-free callingSupportedNot supported
Video callingNot supportedNot supported
RingtonesPolyphonic and customizedfeature not registered
Web browserNot supportedNot supported
AntennaInternal antennafeature not registered
Qwerty physical keyboardNot supportedNot supported
Miscellaneous- Colors: Silver, Space black
- Sport band or leather bands (Hermès edition)
- 1000 nits screen
- 3D Touch display
- Siri
- Colors: Black, Gray, Blue
- Watch band: 22mm
- BioTracker PPG
- 100 sports mode
- AppZepp app
- Compatible with Android 5.0/iOS 10 and above

☢️ Radiation rate

Apple Watch 3 (42mm)Xiaomi Amazfit T-Rex Pro
SAR 1.6W/kg (USA, Mexico, etc.)0.35W/kg (head), 0.18W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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