Xiaomi 15 12 GB + 256 GB White

Name: Xiaomi 15 12 GB + 256 GB White
Brand: Xiaomi

Compact powerhouse with triple 50 MP Leica cameras and blazing 90W charging.

Manufacturer reference 4223708201

Colour White

Black
White

Internal storage capacity 256 GB

256 GB
512 GB

Energy class View the energy label (PDF)

69 /100 Its best score: the best battery life, rated "very long" on its category’s scale.

See the price on Amazon This merchant’s price is not collected automatically: we would rather show none at all than a figure we could not date.

Duel it against another model Start a duel

1 merchant

offers it on this market

What the Xiaomi 15 12 GB + 256 GB White is worth

The Xiaomi 15 12 GB + 256 GB White is a 5G smartphone with a 6.36" CrystalRes AMOLED display (2670 x 1200 pixels, 120 Hz, 3 200 nits peak brightness) protected by Xiaomi Shield Glass. It runs on a Snapdragon 8 Elite processor built on 3 nm technology, paired with 12 GB LPDDR5X RAM and 256 GB UFS 4.0 storage.

It earns an overall score of 69/100. The 5 240 mAh battery scores 81/100 for battery life, well above the market median of 4500 mAh. With 12 GB RAM, it achieves 80/100 for power. The triple rear camera setup (50 MP f/1.62 with OIS, 50 MP f/2.2 ultra-wide, and 50 MP f/2.0 telephoto) features Leica Summilux optics and scores 70/100 for photography. The 6.36" screen scores 56/100, more compact than the 6.7" median. Storage at 256 GB scores 58/100.

It supports 90W wired HyperCharge and 50W wireless charging. IP68-certified, it includes an ultrasonic in-display fingerprint reader, Wi-Fi 7, Bluetooth 6.0, NFC, and USB Type-C 3.2 Gen1. At 191 g and 8.08 mm thick, it suits those seeking a compact format, ultra-fast charging, and versatile Leica triple cameras.

Its scores, criterion by criterion

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

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

Storage Limited

256 GB · category median: 384 GB

Screen Basic

6.4 " · category median: 6.7 "

All offers

Amazon Price not collected View

Kalyneo only shows a price when it has been collected automatically from the merchant, together with its collection date. For merchants whose prices are not connected, the page links to the merchant without showing a price. No price is ever entered by hand.

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 256 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 battery life: it happens to be its best score.

You want a good score on the power, 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.

Yes, all three rear sensors deliver 50 MP each and carry Leica Summilux optics, with OIS stabilisation on the main sensor, f/1.62 aperture and 2.4 µm pixels. The photo score reaches 70/100, rated as good, and optical zoom goes up to 5x.

Yes, it sits below the market median set at 6.7 inches, earning a screen score of 56/100 rated as basic. On the other hand, the CrystalRes AMOLED panel offers 120 Hz, 3,200 nits outdoors and 68 billion colours.

The document does not specify full charging time, but HyperCharge 90W wired and 50W wireless technology ensures fast charging. Battery life scores 81/100, rated as very long, thanks to capacity above the 4,500 mAh median.