Xiaomi 15T Pro 12 GB + 512 GB Mocha

Name: Xiaomi 15T Pro 12 GB + 512 GB Mocha
Brand: Xiaomi

5,500 mAh battery, 144 Hz AMOLED screen, 90 W HyperCharge.

Manufacturer reference 4223711805

Colour Mocha

Black
Grey
Mocha

Internal storage capacity 512 GB

256 GB
512 GB
1 TB

Energy class View the energy label (PDF)

79 /100 Its best score: the most storage, rated "very large" on its category’s scale.

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What the Xiaomi 15T Pro 12 GB + 512 GB Mocha is worth

The Xiaomi 15T Pro 12 GB + 512 GB Mocha is a 5G smartphone with a 6.83" AMOLED screen displaying 2,772 x 1,280 pixels at 144 Hz, a 5,500 mAh battery, 12 GB LPDDR5X RAM and 512 GB UFS 4.1 storage. Its MediaTek Dimensity 9400+ processor built on 3 nm technology and memory deliver decent power (80/100).

For photography, it features three rear cameras (50 MP f/1.62, 50 MP f/3.0, 12 MP f/2.2) with 5x optical zoom and stabilization, plus a 32 MP front camera. The battery exceeds the market median and earns 85/100, while 512 GB storage scores 90/100. Wired HyperCharge 90 W reaches 100% in 36 min, wireless 50 W in 56 min.

This model suits users seeking very long battery life, generous storage and a smooth screen, below the 600 € threshold where photo and software support reach their peak. IP68 certified, it withstands immersion up to 3 m and includes dual SIM, Wi-Fi 7, Bluetooth 6.0 and fingerprint sensor.

Its scores, criterion by criterion

Scores out of 100, calculated from the datasheet and compared with the market. The full method is public.

Storage Very large

512 GB · category median: 384 GB

Battery life Very long

5,500 mAh · category median: 4,500 mAh

Power Adequate

12 GB · category median: 8 GB

Screen Good

6.8 " · category median: 6.7 "

Camera Good

50 MP · category median: 50 MP

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Documents

What the manufacturer publishes about this model. Each document opens in a new tab.

Étiquette énergie PDF 66.3 KB Document in Français Fiche d’information produit PDF 61.3 KB Document in Français

Specifications

Design 1

Product colour Mocha

Memory 2

RAM capacity 12 GB

RAM type LPDDR5X

Storage media 2

Internal storage capacity 512 GB

Storage type UFS 4.1

Screen 11

Display diagonal 6.83"

Display resolution 2,772 x 1,280 pixels

Panel type AMOLED

Maximum refresh rate 144 Hz

Maximum display brightness (Outdoor) 3,200 nits

Pixel density 447 ppi

Colour depth 68 billion colours

Colour gamut DCI-P3

Touch sampling rate 480 Hz

Instant touch sampling rate 2,560 Hz

Screen protection Corning Gorilla Glass 7i

- 1

Battery capacity 5,500 mAh

Camera 25

Rear camera resolution (numeric) 50 MP

Front camera resolution (numeric) 32 MP

Rear camera aperture number f/1.62

Front camera aperture number f/2.2

Second rear camera resolution (numeric) 50 MP

Second rear camera aperture number f/3.0

Third rear camera resolution (numeric) 12 MP

Third rear camera aperture number f/2.2

Optical zoom 5x

Digital zoom 100x

Image stabilizer Yes

Night mode Yes

Time lapse mode Yes

Slow motion mode Yes

Macro photography Yes

Video recording modes 8K, 4K, 1080p, 720p

8K video recording 30 fps

4K video recording 120 fps

Main sensor Light Fusion 900

Main sensor size 1/1.31"

Equivalent focal length (main) 23 mm

Equivalent focal length (ultra wide-angle) 15 mm

Equivalent focal length (telephoto) 115 mm

Dynamic range 13.5 EV

Optical partnership Leica

Network 8

Mobile network generation 5G

Bluetooth Yes

Top Wi-Fi standard Wi-Fi 7

SIM card capability Dual SIM

Wi-Fi Yes

Bluetooth version 6.0

Near Field Communication (NFC) Yes

SIM card type Nano SIM, eSIM

Weight and dimensions 4

Weight 210 g

Height 162.7 mm

Width 77.9 mm

Depth 7.96 mm

Processor 4

Processor model MediaTek Dimensity 9400+

Manufacturing process 3 nm

CPU 1 Cortex-X925 (3.73 GHz), 3 Cortex-X4 (3.3 GHz), 4 Cortex-A720 (2.4 GHz)

GPU Immortalis-G925 MC12

Software 1

Operating system installed Xiaomi HyperOS 2

Power 5

USB Type-C required charging power (max) 90 W

Wired charging HyperCharge 90 W

Wireless charging HyperCharge 50 W

Wired charging time (0-100%) 36 min

Wireless charging time (0-100%) 56 min

Navigation 6

GPS (satellite) Yes

Galileo Yes

GLONASS Yes

BeiDou Yes

Quasi-Zenith Satellite System (QZSS) Yes

Electronic compass Yes

Connectivity 1

USB connector type USB Type-C

Representation / rendering 4

Fingerprint reader Yes

Face recognition Yes

Fast charging Yes

Wireless charging Yes

Sensors 5

Proximity sensor Yes

Ambient light sensor Yes

Accelerometer Yes

Gyroscope Yes

Infrared emitter Yes

Battery 1

Battery technology Xiaomi Surge

Resistance 2

Water and dust resistance IP68

Immersion depth 3 m

Audio 2

Speakers Dual speaker Dolby Atmos

Microphones 3-microphone array

Cooling system 1

Type Xiaomi 3D IceLoop

Battery life 1

Energy efficiency class A

Power management 1

Energy efficiency scale A to G

Who this model suits

It’s for you if

Your first criterion is the storage: it happens to be its best score.

You want a good score on the battery life, above its category average.

You prefer a model tracked across several merchants, to buy at the right time.

Skip it if

Its lowest score is on the camera: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

The 5,500 mAh battery significantly exceeds the market median (4,500 mAh), earning an 85/100 autonomy score (Very long). In practical terms, this capacity ensures a full day of intensive use and can even stretch to two days with moderate usage.

With the 90 W HyperCharge wired charging, the Xiaomi 15T Pro reaches 100% in 36 minutes. The 50 W HyperCharge wireless charging takes 56 minutes for a full charge, which remains very fast for cable-free charging.

The 6.83-inch AMOLED screen with 144 Hz refresh rate offers exceptional fluidity, but the 5,500 mAh battery more than compensates for this consumption. The 3 nm processor and Xiaomi Surge technology optimize energy efficiency to maintain very long battery life.