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Infinix Note 40 Pro 4G

Infinix Note 40 Pro 4G
Brand: Infinix
Category: Phones
  • Display 6.78 inch AMOLED screen
  • Camera 108MP Triple camera / 32MP front
  • Memory 8/12GB RAM with 256GB ROM
  • Platform Helio G99 CPU / Android 14
  • Battery 5000mAh / 70W 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

Infinix Note 40 Pro 4G Highlights and Overview

This is the Infinix Note 40 Pro 4G. It is the slightly higher model to the standard Note 40, and should not be confused with the Note 40 Pro 5G version. The device features a 6.78-inch AMOLED display. The display offers a 120Hz refresh rate for potentially smoother visuals and a 1080 x 2436 pixel resolution.

The phone is powered by the Mediatek Helio G99 Ultimate processor paired with either 8 or 12-Gigs of RAM. Storage capacity is 256GB, expandable via microSD card (up to 1TB).

The rear camera system consists of three lenses: a 108-megapixel main sensor with Optical Image Stabilization (OIS), a 2-megapixel depth sensor, and a 2-megapixel macro sensor. This is the same camera setup on the base Note 40, except for the inclusion of OIS.

The front-facing camera has 32 megapixels. Another key difference from the base model is the inclusion of a 70W fast charging, up from the 45W on the standard model. But it is the same 5000mAh battery in both device.

The Infinix Note 40 Pro 4G runs Android 14 with the XOS 14 user interface. It is available in Vintage Green and Titan Gold. The table below contains the full specifications of the Infinix Note 40 Pro 4G model.

Infinix Note 40 Pro 4G 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 Pro 4G Model
Model number: Infinix X6850
Announced 2024, March 18
Status Available. Released 2024, March 19


Dimensions 164.4 x 74.6 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 / 12GB + 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, OIS
Depth: 2 MP, f/2.4
Macro: 2MP, f/2.4
Camera Features Autofocus / Digital zoom / panorama/ HDR / Touch focus / Dual-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
- Tuned by JBL
- 24-bit/192kHz Hi-Res audio
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
- 70W fast charger
- Reverse wired
Wireless Charging 20W wireless MagCharge
- Reverse wireless


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

Infinix Note 40 Pro 4G User Reviews and Opinions

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Disclaimer Note

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