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REDMI Note 15 8 Go + 256 Go Bleu REDMI Note 15 8 Go + 256 Go Bleu REDMI Note 15 8 Go + 256 Go Bleu REDMI Note 15 8 Go + 256 Go Bleu
REDMI Note 15 8 Go + 256 Go Bleu

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Xiaomi

REDMI Note 15 8 GB + 256 GB Blue

6,000 mAh battery and 108 MP sensor for long-lasting mid-range performance.

Manufacturer reference 4223713456

Colour Blue

Internal storage capacity 256 GB

RAM capacity 8 GB

Energy class View the energy label (PDF)
74 /100 Its best score: the best battery life, rated "very long" on its category’s scale.
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What the REDMI Note 15 8 GB + 256 GB Blue is worth

The REDMI Note 15 is a 4G smartphone equipped with an 8 GB RAM, 256 GB storage, and a 6.77" screen with 120 Hz refresh rate. Its MediaTek Helio G100-Ultra processor handles everyday tasks, while the dual SIM slot and storage expansion up to 2 TB offer flexibility.

With a battery capacity of 6,000 mAh, it earns a 93/100 autonomy score, well above the market median of 4,500 mAh. The 108 MP main camera scores 78/100, surpassing the 50 MP median. The screen size rates 71/100, and storage sits at 58/100 against a 384 GB median.

Positioned between 250 and 600 euros, this model suits users seeking extended battery life and solid photo resolution without premium pricing. IP64 protection, 33 W fast charging, and Xiaomi HyperOS 2 round out a practical package for daily 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

6,000 mAh · category median: 4,500 mAh

Camera Good

108 MP · category median: 50 MP

Screen Good

6.8 " · category median: 6.7 "

Power Adequate

8 GB · category median: 8 GB

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 64.9 KB Document in Français Fiche d’information produit PDF 61.3 KB Document in Français

Specifications

Design 2
Product colour Blue
Protection rating IP64
Memory 2
RAM capacity 8 GB
Memory type LPDDR4X
Storage media 3
Internal storage capacity 256 GB
Compatible memory cards Expandable up to 2 TB
Storage type UFS2.2
Screen 12
Display diagonal 6.77"
Display resolution 2392 x 1080 pixels
Maximum refresh rate 120 Hz
Maximum display brightness (Outdoor) 3,200 nits
Display brightness 800 nits
Colour depth 12 bit
Colour gamut DCI-P3
Contrast ratio 8,000,000:1
Screen-to-body ratio 93%
PWM dimming 3,840 Hz
Touch sampling rate 240 Hz
Brightness adjustment 16,000 levels
Camera 12
Rear camera resolution (numeric) 108 MP
Front camera resolution (numeric) 20 MP
Main camera sensor size 1/1.67"
Rear camera aperture number f/1.7
Main camera lens 6P
Depth camera 2 MP
Front camera aperture number f/2.4
Depth camera sensor size 1/4"
Depth camera lens 4P lens
Front camera aperture f/2.2
Rear camera video recording 1080p at 60 fps
Front camera video recording 1080p at 30 fps
- 1
Battery capacity 6,000 mAh
Representation / rendering 3
Fast charging Yes
Fingerprint reader Yes
Face recognition Yes
Power 1
USB Type-C required charging power (max) 33 W
Battery 2
Reverse charging 18 W
Charge cycles 3,000 cycles
Processor 5
Processor model MediaTek Helio G100-Ultra
Processor cores 8
Maximum processor frequency 2.2 GHz
GPU Mali-G57 MC2
Manufacturing process 6 nm
Software 1
Operating system installed Xiaomi HyperOS 2
Network 13
Mobile network generation 4G
SIM card capability Dual SIM
Bluetooth Yes
4G LTE FDD 1/3/5/7/8/20/28
4G LTE TDD 38/40/41
3G WCDMA 1/5/8
2G GSM 850/900/1800/1900 MHz
SIM slot type SIM 1 + Hybrid (SIM or microSD)
Wi-Fi Yes
Wi-Fi standards 802.11a/b/g/n/ac
Wi-Fi bands 2.4 GHz, 5 GHz
Bluetooth version 5.3
Near Field Communication (NFC) Yes
Navigation 5
GPS (satellite) Yes
GLONASS Yes
BeiDou Yes
Galileo Yes
Electronic compass Yes
Sensors 5
Proximity sensor Yes
Ambient light sensor Yes
Accelerometer Yes
Gyroscope Yes
Infrared emitter Yes
multimedia 2
Speakers Dual speaker
Audio Dolby Atmos, Hi-Res
Weight and dimensions 4
Weight 183.7 g
Height 164.03 mm
Width 75.42 mm
Depth 7.94 mm
Connectivity 1
USB connector type USB Type-C
Battery life 1
Energy efficiency class B
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. With 6,000 mAh, this REDMI Note 15 scores 93/100 for battery life, rated as very long. The market median sits at 4,500 mAh, placing this model well above.

Yes. The phone accepts a microSD card up to 2 TB via the hybrid slot, which holds either a second SIM or a memory card.

Yes. The REDMI Note 15 supports fast charging up to 33 W and the battery is rated for 3,000 cycles, ensuring faster recharging and extended lifespan.

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