Xiaomi

POCO M8 5G 8 GB + 256 GB Black

Name: POCO M8 5G 8 GB + 256 GB Black
Brand: Xiaomi

6.77" AMOLED 120 Hz screen, 5520 mAh battery, and 45 W fast charging.

Manufacturer reference 4223713412

Colour Black

Black
Green
Silver

Internal storage capacity 256 GB

256 GB
512 GB

Energy class View the energy label (PDF)

68 /100 Its best score: the best battery life, rated "good" on its category’s scale.

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What the POCO M8 5G 8 GB + 256 GB Black is worth

The POCO M8 5G features a 6.77" AMOLED 120 Hz display, 8 GB RAM, 256 GB storage expandable to 1 TB, and a 5520 mAh battery with 45 W fast charging. It runs Xiaomi HyperOS 2 and weighs 178 g.

With a battery score of 85/100 thanks to its 5520 mAh capacity (well above the market median of 4500 mAh), it also delivers good screen (71/100) and camera (70/100 for its 50 MP sensor) ratings. Storage at 256 GB scores 58/100, below the 384 GB median. Overall score reaches 71/100.

This smartphone suits users seeking long battery life, a large fluid screen, and decent photography, all in a slim 7.35 mm IP65-certified body. Fast 45 W charging offsets storage capacity below market average.

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 Good

5,520 mAh · category median: 5,000 mAh

Screen Good

6.8 " · category median: 6.7 "

Camera Good

50 MP · category median: 50 MP

Storage Fair

256 GB · category median: 256 GB

Power Low

8 GB · category median: 12 GB

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Documents

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

Étiquette énergie PDF 65.8 KB Document in Français Fiche d’information produit PDF 61.3 KB Document in Français

Specifications

Design 1

Product colour Black

Memory 2

RAM capacity 8 GB

RAM and storage type LPDDR4X + UFS 2.2

Storage media 2

Internal storage capacity 256 GB

Compatible memory cards Expandable up to 1 TB

Screen 13

Display diagonal 6.77"

Display resolution 2392 x 1080 pixels

Panel type AMOLED

Maximum refresh rate 120 Hz

Maximum display brightness (Outdoor) 3,200 nits

Screen-to-body ratio 92%

Contrast ratio 8,000,000:1

Colour gamut 100% DCI-P3

Colour depth 12-bit (68.7 billion colours)

Touch sampling rate 240 Hz

Instant touch sampling rate 2,560 Hz

PWM dimming 3,840 Hz

Display brightness 800 nits

- 1

Battery capacity 5,520 mAh

Camera 8

Rear camera resolution (numeric) 50 MP

Front camera resolution (numeric) 20 MP

Rear camera aperture number f/1.8

Front camera aperture number f/2.2

Video recording modes 4K

Main sensor type Light Fusion 400

Main sensor size 1/2.88"

Depth camera 2 MP

Network 10

Mobile network generation 5G

Bluetooth Yes

SIM card type Nano-SIM

SIM card capability Dual SIM

Wi-Fi Yes

Wi-Fi Direct Yes

Bluetooth version 5.1

Near Field Communication (NFC) Yes

Wi-Fi protocol 802.11a/b/g/n/ac

NFC Yes

Processor 4

Processor model Snapdragon 6 Gen 3

Processor cores 8

Maximum CPU frequency 2.4 GHz

Etching technology 4 nm

Weight and dimensions 4

Weight 178 g

Depth 7.35 mm

Height 164 mm

Width 75.42 mm

Software 1

Operating system installed Xiaomi HyperOS 2

Representation / rendering 3

Fast charging Yes

Fingerprint reader Yes

Face recognition Yes

Power 1

USB Type-C required charging power (max) 45 W

Charge 1

Reverse charging 18 W

Navigation 5

GPS (satellite) Yes

GLONASS Yes

BeiDou Yes

Galileo Yes

Electronic compass Yes

Sensors 5

Accelerometer Yes

Ambient light sensor Yes

Proximity sensor Yes

Gyroscope Yes

Infrared emitter Yes

Connectivity 1

USB connector type USB Type-C

multimedia 1

Speakers stereo

Audio 1

Audio technologies Dolby Atmos, Hi-Res

Resistance 1

Protection rating IP65

Battery life 1

Energy efficiency class B

Power management 1

Energy efficiency scale A to G

Battery 3

Time to charge to 50% 25 min

Moderate usage battery life 1.58 days

Charge cycles for 80% capacity 1,600 cycles

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 screen, 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 power: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

Yes. With 5520 mAh, this POCO M8 5G exceeds the market median of 4500 mAh, earning a battery score of 85/100. The document states 1.58 days under moderate use, and the battery retains 80% capacity after 1600 charge cycles.

Yes. The POCO M8 5G reaches 50% charge in 25 minutes thanks to its 45 W charger. It also offers 18 W reverse charging to power another device.

Yes. The 6.77-inch AMOLED display delivers 3200 nits maximum outdoor brightness and 800 nits typical brightness, with a 120 Hz refresh rate and TÜV Rheinland Flicker Free certification.