Xiaomi

POCO F9 Ultra 12 GB + 256 GB Black

Name: POCO F9 Ultra 12 GB + 256 GB Black
Brand: Xiaomi

8,050 mAh battery, 6.9" AMOLED 185 Hz display and 200 MP rear camera.

Manufacturer reference 4223717988

Colour Black

Black
Red

Internal storage capacity 256 GB

256 GB
512 GB

RAM capacity 12 GB

12 GB
16 GB

Energy class View the energy label (PDF)

79 /100 Its best score: the best battery life, rated "very long" on its category’s scale.

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What the POCO F9 Ultra 12 GB + 256 GB Black is worth

The POCO F9 Ultra packs 12 GB of RAM, 256 GB of UFS 4.1 storage and a 6.9" AMOLED screen running 2,608 x 1,200 pixels at 185 Hz, shielded by Corning Gorilla Glass 7i. The Snapdragon 8 Elite Gen 5 built on 3 nm reaches 4.6 GHz across 8 cores, while the 8,050 mAh battery supports 100 W wired and 50 W wireless fast charging.

The battery score hits 95/100 thanks to a capacity well above the market median of 4500 mAh. The 6.9" display earns 73/100, the 200 MP main camera scores 90/100, 256 GB storage gets 58/100 and 12 GB RAM achieves 80/100, yielding an overall rating of 79/100.

The triple rear setup combines 200 MP (f/1.68, OIS), 50 MP and 50 MP (f/3.0), while the front camera delivers 32 MP (f/2.4). It records 8K 30FPS and 4K 60FPS video, features stereo speakers certified for Dolby Atmos and Sound by Bose, and bundles Wi-Fi 7, Bluetooth 6.0, NFC, GPS, dual SIM 5G and IP68 rating.

This model suits those seeking exceptional battery life, a large fluid screen and high-resolution photography, all housed in a 235 g IP68-certified body built for intensive multimedia use.

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

8,050 mAh · category median: 4,500 mAh

Camera Excellent

200 MP · category median: 50 MP

Power Adequate

12 GB · category median: 8 GB

Screen Good

6.9 " · category median: 6.7 "

Storage Limited

256 GB · category median: 384 GB

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Documents

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

Étiquette énergie PDF 65.1 KB Document in Français Fiche d’information produit PDF 61.4 KB Document in Français

Specifications

Memory 2

RAM capacity 12 GB

Memory type LPDDR5X 9600 Mbps

Storage media 2

Internal storage capacity 256 GB

Storage type UFS 4.1

Design 2

Product colour Black

Resistance IP68

Screen 14

Display diagonal 6.9"

Display resolution 2608 x 1200 pixels

Maximum refresh rate 185 Hz

Panel type AMOLED

HBM brightness 2200 nits

Maximum brightness (1% of screen) 10000 nits

Maximum brightness (25% of screen) 4500 nits

Typical brightness 850 nits

Minimum brightness 1 nit

Contrast ratio 5,000,000:1

Touch sampling rate 480 Hz

Instant touch sampling rate 4800 Hz

Screen protection Corning Gorilla Glass 7i

Display certifications HDR10+, Dolby Vision

Camera 13

Rear camera resolution (numeric) 200 MP

Front camera resolution (numeric) 32 MP

Rear camera aperture number f/1.68

Second rear camera resolution (numeric) 50 MP

Third rear camera resolution (numeric) 50 MP

Front camera aperture number f/2.4

Third rear camera aperture number f/3.0

Image stabilizer Yes

Image stabilizer type OIS

Night mode Yes

Time lapse mode Yes

Slow motion mode Yes

Video recording modes 8K 30FPS, 4K 60FPS

- 1

Battery capacity 8050 mAh

Processor 4

Processor model Snapdragon 8 Elite Gen 5

Processor cores 8

Manufacturing process 3 nm

Maximum CPU frequency 4.6 GHz

Network 8

Mobile network generation 5G

Bluetooth Yes

SIM card capability Dual SIM

Wi-Fi Yes

Wi-Fi standards Wi-Fi 7 / Wi-Fi 6 / Wi-Fi 5 / Wi-Fi 4 and 802.11a/b/g/n/ac/ax/be

Bluetooth version 6.0

Near Field Communication (NFC) Yes

MIMO Yes

Power 4

USB Type-C required charging power (max) 100 W

Fast wireless charging 50 W

Wired reverse charging 27 W

Reverse wireless charging 22.5 W

Weight and dimensions 4

Weight 235 g

Height 163.49 mm

Width 77.94 mm

Depth 8.74 mm

Software 1

Operating system installed Xiaomi HyperOS 3

Connectivity 2

USB connector type USB Type-C

USB port USB 3.2 Gen 1

Navigation 6

GPS (satellite) Yes

BeiDou Yes

Galileo Yes

GLONASS Yes

Quasi-Zenith Satellite System (QZSS) Yes

Electronic compass Yes

Sensors 5

Proximity sensor Yes

Ambient light sensor Yes

Accelerometer Yes

Gyroscope Yes

Sensor type Ultrasonic

Representation / rendering 4

Fingerprint reader Yes

Face recognition Yes

Fast charging Yes

Wireless charging Yes

multimedia 1

Speakers stereo

Audio 1

Audio certifications Hi-Res, Hi-Res Audio Wireless, Dolby Atmos, Sound by Bose

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 camera, 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 storage: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

Yes. The 185 Hz refresh rate delivers noticeably superior fluidity compared to the market median, particularly visible when scrolling and in compatible games. The touch sampling rate reaches 480 Hz in normal use and 4,800 Hz in instant mode, improving touch responsiveness.

Yes. The POCO F9 Ultra offers reverse wired charging up to 27 W and reverse wireless charging up to 22.5 W. You can therefore use it as a power bank to charge other phones, earphones or compatible watches.

The smartphone weighs 235 g with a thickness of 8.74 mm. Despite its exceptional battery that earns it a battery life score of 95/100, it remains reasonably sized: 163.49 mm in height and 77.94 mm in width.