Xiaomi 15 12 GB + 512 GB White

Name: Xiaomi 15 12 GB + 512 GB White
Brand: Xiaomi

Large 512 GB storage, 90 W fast charging and 5,240 mAh battery in a 5G smartphone.

Manufacturer reference 4223708202

Colour White

Black
White

Internal storage capacity 512 GB

256 GB
512 GB

Energy class View the energy label (PDF)

75 /100 Its best score: the most storage, rated "very large" on its category’s scale.

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What the Xiaomi 15 12 GB + 512 GB White is worth

The Xiaomi 15 12 GB + 512 GB White is a 5G smartphone with a 6.36-inch CrystalRes AMOLED display (2670 x 1200 pixels, 120 Hz) reaching 3,200 nits peak brightness and protected by Xiaomi Shield Glass. Its Snapdragon 8 Elite processor (3 nm, 8 cores, 4.32 GHz) pairs with 12 GB LPDDR5X RAM and 512 GB UFS 4.0 storage.

It features three 50 MP rear cameras (main f/1.62 with OIS, ultra-wide f/2.2, telephoto f/2.0 with 5x optical zoom) designed by Leica Summilux, plus a 32 MP front camera. The 5,240 mAh battery supports 90 W wired and 50 W wireless HyperCharge. It carries IP68 certification, weighs 191 g and measures 152.3 x 71.2 x 8.08 mm.

Scoring 75/100 overall, this model excels in battery life (81/100), offers very large storage (90/100) and solid performance (80/100). It suits users seeking a premium smartphone with ample storage, fast charging and versatile camera capabilities.

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

5,240 mAh · category median: 4,500 mAh

Power Adequate

12 GB · category median: 8 GB

Camera Good

50 MP · category median: 50 MP

Screen Basic

6.4 " · category median: 6.7 "

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Documents

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

Étiquette énergie PDF 65.5 KB Document in Français Fiche d’information produit PDF 61.6 KB Document in Français

Specifications

Design 4

Product colour White

Protection rating IP68

Protective glass Xiaomi Shield Glass

Frame material 6M42 aluminium alloy

Memory 3

RAM capacity 12 GB

Memory 12 GB

RAM type LPDDR5X 8,533 Mbit/s

Storage media 2

Internal storage capacity 512 GB

Storage type UFS 4.0

Screen 8

Display diagonal 6.36"

Display resolution 2670 x 1200 pixels

Panel type CrystalRes AMOLED

Maximum refresh rate 120 Hz

Maximum display brightness (Outdoor) 3,200 nits

Pixel density 460 PPI

Colour depth 68 billion colours

Colour gamut DCI-P3

Camera 25

Rear camera resolution (numeric) 50 MP

Front camera resolution (numeric) 32 MP

Rear camera aperture number f/1.62

Second rear camera resolution (numeric) 50 MP

Second rear camera aperture number f/2.2

Third rear camera resolution (numeric) 50 MP

Third rear camera aperture number f/2.0

Front camera aperture number f/2.0

Main camera equivalent focal length 23 mm

Ultra wide-angle equivalent focal length 14 mm

Telephoto equivalent focal length 60 mm

Main sensor size 1/1.31"

Pixel size (Super Pixel) 2.4 µm

Dynamic range 13.5 EV

Image stabilizer OIS

Optical zoom 5x

Digital zoom 60x

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

8K video recording 7680 x 4320 at 24 fps and 30 fps

4K video recording 3840 x 2160 at 24 fps, 30 fps and 60 fps

Slow motion mode Yes

Time lapse mode Yes

Night mode Yes

Macro photography 10 cm

Optics Leica Summilux

Processor 5

Processor model Snapdragon 8 Elite

Manufacturing process 3 nm

Processor cores 8

Maximum CPU frequency 4.32 GHz

GPU Adreno

- 1

Battery capacity 5,240 mAh

Battery 1

Battery technology Lithium-Ion Polymer

Representation / rendering 4

Fast charging HyperCharge 90W

Wireless charging HyperCharge wireless 50W

Fingerprint reader Ultrasonic in-display fingerprint sensor

Face recognition Yes

Power 2

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

Wireless charging power 50 W

Network 7

Mobile network generation 5G

SIM card type Dual SIM (nano SIM + nano SIM or nano SIM + eSIM, eSIM + eSIM)

Top Wi-Fi standard Wi-Fi 7

Bluetooth Yes

Wi-Fi Yes

Bluetooth version 6.0

Near Field Communication (NFC) NFC

Connectivity 2

USB connector type USB Type-C

USB port USB 3.2 Gen1

Navigation 6

GPS (satellite) Yes

GLONASS Yes

Galileo Yes

BeiDou Yes

Quasi-Zenith Satellite System (QZSS) Yes

Electronic compass Yes

Sensors 6

Proximity sensor Yes

Ambient light sensor Yes

Accelerometer Yes

Gyroscope Yes

Barometer Yes

Infrared emitter Yes

Software 1

Operating system installed Xiaomi HyperOS 2

Weight and dimensions 4

Weight 191 g

Height 152.3 mm

Width 71.2 mm

Depth 8.08 mm

multimedia 2

Speakers stereo

Number of microphones 4 microphones

Audio 1

Supported audio formats Dolby Atmos

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 screen: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

No, the Xiaomi 15 does not support storage expansion via micro SD card. It comes with 512 GB of non-expandable internal storage, which represents very large storage according to our scale, rated 90/100.

The document indicates a maximum charging power of 90 W with HyperCharge technology and 50 W wireless charging, but does not specify the time required for a full charge of the 5,240 mAh battery.

Yes, at 6.36 inches, the screen is below the market median of 6.7 inches. This size earns it a 56/100 rating, classified as basic, but offers a more compact and manageable format.