Xiaomi Amazfit T-Rex vs OnePlus 3T (128GB)

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

11/25/2021 1:37 AM, updated: 11/25/2021 5:34 PM

Compare OnePlus 3T X Xiaomi Amazfit T-Rex 06Points

Specifications Compare Models Pictures

1.3"
AMOLED

360x360

N/A

512MB
RAM

Single-core

390
mAh

(Non removable)

24Points OnePlus 3T (128GB) Compare Xiaomi Amazfit T-Rex X

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

16
MP

16mp

6GB
RAM

Quad-core

3400
mAh

(Non removable)

What's the better device? OnePlus 3T (128GB)

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!

6 Advantages Xiaomi Amazfit T-Rex	vs	24 Advantages OnePlus 3T (128GB)
+58 grams (2.03 ounces)172% Lighter	vs	158 grams (5.53 ounces)
+Heart rateAdvantage Sensors help you use the device	vs	Not supported
+PedometerAdvantage Sensors help you use the device	vs	Not supported
+SpO2Advantage Sensors help you use the device	vs	Not supported
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+5 ATMAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
512MB LPDDR3	vs	+6GB LPDDR411 times More RAM memory. Typically more responsive and better for multitasking.
4GB (2GB available)	vs	+128GB (114GB available)56 times More internal storage for applications and files
13.5 millimeters (0.53 inches)	vs	+7.35 millimeters (0.29 inches)84% Thinner
AMOLED	vs	+Optic AMOLEDAdvantage Optic AMOLED display is brighter and more vivid
360x360 pixels	vs	+1080x1920 pixels15 times Higher resolution screen
392 PPI	vs	+401 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
1.3"	vs	+5.5"3 times Larger screen
Not supported	vs	+(back) 16MPAdvantage With a camera you can take pictures anywhere
Not supported	vs	+4K UHD (3840x2160)Advantage More image quality for recording videos with the primary camera
10 apps	vs	+3500000 apps (Google Play Store)349999 times More apps available to download and use
Not supported	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(Not supported)	vs	+(4G LTE-A) 300 MbpsAdvantage Faster for surfing the internet and download files
Not supported	vs	+Fingerprint sensorAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
Not supported	vs	+Proximity sensorAdvantage Sensors help you use the device
390 mAh	vs	+3400 mAh8 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
Not supported	vs	+USB 2.0 Type-C reversible connectorAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

9 Common items in both devices

16 million

Capacitive

Multitouch

Accelerometer

Ambient light sensor

Compass

LiPo: li-ion polymer (Non removable)

+2 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

📱 Model features
	Amazfit T-Rex	OnePlus 3T (128GB)
Change model		Choose the model
Model	Amazfit T-Rex	OnePlus 3T (128GB)
Other model names	Mi Amazfit TRex	OnePlus Three, OnePlus 3T Dual-Sim
Country or region available	(Global, International)	(Global, International), Canada, China, USA, (Europe), Hong Kong
Brand	Xiaomi	OnePlus
Release date	1/9/2020, Announced: 1/1/2020	11/22/2016
Depth	13.5 millimeters (0.53 inches)	7.35 millimeters (0.29 inches)
Size (width x height)	47.47 x 47.47 millimeters (1.87 x 1.87 in)	74.7 x 152.7 millimeters (2.94 x 6.01 in)
Weight	58 grams (2.03 ounces)	158 grams (5.53 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	5 ATM: 50 meters waterproof	Not supported
📲 Display
	Amazfit T-Rex	OnePlus 3T (128GB)
Display type	AMOLED	Optic AMOLED
Screen size	1.3" inches	5.5" inches
Screen-to-body ratio	~24.2% (screen-to-body ratio)	~73.1% (screen-to-body ratio)
Display resolution	360x360 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	392 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 4
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Amazfit T-Rex	OnePlus 3T (128GB)
System version	Proprietary OS	Android 6.0.1 Marshmallow
Firmware update	feature not registered	feature not registered
User Interface	RTOS	feature not registered
⚙️ Processor
	Amazfit T-Rex	OnePlus 3T (128GB)
Chipset	32bit	64bit: Qualcomm Snapdragon 821 MSM8996 (14nm)
CPU	Single-core, 1 processor: Single-core	Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core)
GPU graphical controller	feature not registered	Qualcomm Adreno 530
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Amazfit T-Rex	OnePlus 3T (128GB)
RAM memory	512MB LPDDR3	6GB LPDDR4
Internal storage	4GB (2GB available) eMCP	128GB (114GB available)
External storage	Not supported	Not supported
📶 Mobile networks
	Amazfit T-Rex	OnePlus 3T (128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	Not supported	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	feature not registered	300/50 Mbps
Network technology	feature not registered	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Not supported	Quad-Band 850/900/1800/1900
Primary 2G network	Not supported	GSM 850/900/1800/1900
Primary 3G network	Not supported	North America model: CDMA2000 EV-DO UMTS 850/900/1700/1900/2100 Europe/Asia model: UMTS 850/900/1900/2100 China model: CDMA2000 EV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	Not supported	LTE Cat6 North America model: LTE (Bands 1,2,4,5,7,8,12,17,30) Europe/Asia model: LTE (Bands 1,3,5,7,8,20) TD-LTE (Bands 38,40) China model: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 38,39,40,41)
Primary 5G network	Not supported	Not supported
Primary data network	Not supported	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Amazfit T-Rex	OnePlus 3T (128GB)
Back camera (main camera)	Not supported	16 megapixels
Main camera resolution	Not supported	4608x3456 pixels
Video recording (primary)	Not supported	4K UHD (3840x2160) 30 fps
Flash	Not supported	LED flash
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	1.12µm pixel
Autofocus	Not supported	PDAF: phase detection autofocus
Touch focus	Not supported	Supported
Image stabilization	Not supported	OIS: Optical stabilization
Zoom	Not supported	Only digital zoom
Face/smile detection	Not supported	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo/video on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Amazfit T-Rex	OnePlus 3T (128GB)
Front camera (secondary)	Not supported	16 megapixels
Front camera resolution	Not supported	4608x3456 pixels
Video recording (secondary)	Not supported	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1µm pixel
🔉 Sound and multimedia
	Amazfit T-Rex	OnePlus 3T (128GB)
Loudspeaker	feature not registered	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	feature not registered	MP4, H.265, H.264, H.263, DivX, XviD, MKV, WMV
Audio formats	feature not registered	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Amazfit T-Rex	OnePlus 3T (128GB)
USB	Not supported	USB 2.0 Type-C reversible connector
Audio output	Not supported	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	4.2 + A2DP
WiFi	Not supported	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Amazfit T-Rex	OnePlus 3T (128GB)
Sensors	Accelerometer Ambient light sensor Compass Heart rate Pedometer SpO2	Accelerometer Ambient light sensor Compass Fingerprint sensor Gesture Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Amazfit T-Rex	OnePlus 3T (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable) 5V 4A
Battery capacity	390 mAh	3400 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	Magnetic charging (dock)	feature not registered
Talk time autonomy	20 hours	feature not registered
Standby	480 hours (20 days)	feature not registered
➕ Other features
	Amazfit T-Rex	OnePlus 3T (128GB)
Call control	Not supported	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), E-mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Not supported	Supported
Video calling	Not supported	Supported
Ringtones	feature not registered	Polyphonic and customized
Web browser	Not supported	HTML, XHTML, HTML5
Antenna	feature not registered	Internal antenna
Qwerty physical keyboard	Not supported	Not 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: Gunmetal • USB OTG On-The-Go • Aluminum body • OxygenOS 3.5 • LED notification (RGB) • Rear camera: Sony IMX298 sensor • Front camera: Samsung 3P8SP sensor • Slow motion 720p@120fps • Dash charge • Fast battery charging: 60% in 30min • Dirac HD Sound • Miracast • WiFi dual-band
☢️ Radiation rate
	Amazfit T-Rex	OnePlus 3T (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered