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Infinix Note 40

Infinix Note 40
Brand: Infinix
Category: Phones
  • Display 6.78 inch AMOLED screen
  • Camera 108MP Triple camera / 32MP front
  • Memory 8GB RAM with 256GB ROM
  • Platform Helio G99 CPU / Android 14
  • Battery 5000mAh / 45W charging

Our Rating

The rating is based on the opinions of users and reliable reviewers.

  • Design, Built Quality 7 / 10
  • Display Quality 8 / 10
  • Camera Quality 8 / 10
  • Audio & Multimedia 9 / 10
  • OS and Usability 9 / 10
  • Battery Performance 9 / 10

The Infinix Note 40 is the successor to the Note 30 of last year. The device features a 6.78-inch AMOLED display with a 120Hz refresh rate for smooth visuals and a 1300 nit peak brightness for clear viewing in most lighting conditions.

The phone is constructed with glass on both the front and back, protected by Corning Gorilla Glass for scratch resistance. It also carries an IP54 rating, indicating some resistance to dust and splashes.

On the software side, the Note 40 runs Android 14 with Infinix’s XOS 14 on top. It is powered by the MediaTek Helio G99 Ultimate processor, paired with 8GB of RAM and 256GB of UFS 2.2 storage. Users can expand storage further using a microSD card (up to 1TB).

The rear camera system consists of three lenses: a high-resolution 108MP main sensor, a 2MP depth sensor, and a QVGA AI lens. The front-facing camera for selfies and video calls features a 32MP sensor. The phone packs a 5000mAh battery that supports 45W fast wired charging and 20W wireless MagCharge. The full specifications of the Infinix Note 40 smartphone are contained in the table below.

Full Specifications and Features


Technology GSM / HSPA / LTE
2G Network Bands GSM 850 / 900 / 1800 / 1900 - SIM 1 and SIM 2
3G Network Bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network Bands LTE Band 1, 2, 3, 4, 5, 7, 8, 12, 17, 13, 26, 28, 38, 40, 41, 66
5G Network Bands Does not support 5G network
Speed HSPA 42.2/5.76 Mbps, LTE Cat7 300/150 Mbps


Also Known As Infinix Note 40
Model number: Infinix X6853
Announced 2024, March 18
Status Available. Released 2024, March 19


Dimensions 164.1 x 74.5 x 7.8 mm
Weight 190 grams
Build Glass front (Corning Gorilla Glass) / Glass back
- IP54, dust and splash resistant
- Always-on display
SIM Type Dual SIM (Nano-SIM, dual stand-by)


Display Type AMOLED touchscreen / 120Hz refresh / 1300 nits of peak brightness
Size 6.78 inches, (90% screen-to-body ratio)
Resolution 1080 x 2436 pixels, 20:9 ratio (393 ppi density)


Operating System Android 14 with XOS 14
Chipset Mediatek MT8781 Helio G99 Ultimate (6nm)
CPU Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MC2


RAM + ROM 8GB + 256GB
UFS 2.2
Card Slot Yes, up to 1TB via microSD card (uses dedicated SIM slot)


Camera Type Triple Lenses
Camera Sensor(s) Main: 108MP, f/1.9, PDAF
Depth: 2 MP, f/2.4
Camera Features Autofocus / Digital zoom / panorama/ HDR / Touch focus / Quad-LED flash
Video Resolution 1440/1080p@30fps


Camera Type Single Lens
Camera Sensor(s) 32-megapixel
Camera Features AI FaceId / HDR / Dual-LED flash
Video Resolution 1080p@30fps


Loudspeaker Yes, with dual stereo speakers
Speaker Location Top and bottom
Audio Jack Type No


Bluetooth Bluetooth 5.2, A2DP, LE
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
FM Radio FM radio


Battery Capacity Non-removable Li-Po 5000mAh battery
- 45W fast charger
- Reverse wired
Wireless Charging 20W wireless MagCharge
- Reverse wireless


Sensors Fingerprint (under-display), accelerometer, proximity, compass
Colors Titan Gold, Obsidian Black
Box Contents Infinix Note 40 4G model / Charging Brick (45W) / USB Type-C cable

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Disclaimer Note

We CANNOT guarantee 100% accuracy for the specification table above.