Smart 4 Smart 4 1/2
  • Black
  • Cyan
  • Purple
  • 3 colours
Infinix

Infinix Smart 4

Launched October 2019

Overview

Strengths

  • Storage is expandable.
  • It supports two Nano-SIM cards.
  • It has FM radio and a 3.5 mm audio jack.

Weak points

  • Its 2 GB of RAM and 32 GB of storage leave limited room for apps and files.
  • The 720 × 1600 px display has a density of 266 ppi.
Display
6.6″IPS LCD720 × 1,600 px
Design
183 g76 mm167 mm8.3 mm
Performance
MediaTek Helio A22Quad-Core2 GB RAM32 GB
Battery
4,000 mAh
Cameras
8 Mpxselfie 5 Mpx
Network
4G3G2G
Software
Android 9

Editorial report

Infinix Smart 4 technical sheet

The Infinix Smart 4 is aimed at basic phone use, such as calls, messages and everyday apps. Its main trade-off is limited memory: there are 2 GB of RAM and 32 GB of storage. Storage is expandable, but the built-in capacity leaves little room for apps and files before storage management becomes important.

The 6.6-inch IPS LCD display has a resolution of 720 × 1600 px and a density of 266 ppi. Its screen is large, while the resolution is modest. The battery has a capacity of 4000 mAh. Mobile network support covers GSM, HSPA and LTE, and the phone takes two Nano-SIM cards. Other connections include Wi-Fi 802.11a/b/g/n, Bluetooth 5.0 and GPS.

The rear camera has 8 MP resolution and records video at 1080p at 30 fps. The front camera is 5 MP and records at the same video resolution. A rear fingerprint sensor, FM radio and 3.5 mm audio jack round out the features. The port is microUSB, and Android 9 is the operating system specified for the phone.

Overall, the Infinix Smart 4 is a basic phone with dual-SIM support and expandable storage. Its starting memory and display resolution are the main concessions, particularly for anyone planning to install many apps or keep a large collection of files. The expandable storage and familiar practical features are useful, but the limited RAM and built-in capacity make this a modestly equipped option.

Technical index

NeoScore

NeoScore is NeoTeo's technical index: it weighs each phone's verified specifications and compares them with those of the phones of its time.

Prices in United States

Selected variant

Smart 4

NeoScore does not apply to this phone: its specifications do not cover enough categories, as with basic phones

Infinix

Technical specifications

Performance

Processor Model
MediaTek Helio A22
Processor Process Size
12 nm
Graphics GPU
PowerVR GE8320
Storage Type
eMMC 5.1
Maximum CPU Clock
2 GHz
Maximum Storage Capacity
32 GB
CPU Description
Quad-core 2.0 GHz Cortex-A53
Processor Type
Quad-Core
RAM Capacity
2 GB
Expandable Storage
Yes

Design

Body Colors
Black, Cyan, Purple
Body Thickness
8.3 mm
Body Width
76 mm
Body Height
167 mm
Weight
183 g
Usable Surface
82.9 %
Body Materials
Glass, Plastic
Foldable
No
Rugged Build
No

Battery

Battery Capacity
4,000 mAh
Battery Type
Li-Ion

Display

Display Aspect Ratio
20:9
Display Technology
IPS LCD
Display Diagonal
6.6″
Display Horizontal Resolution
720 px
Display Vertical Resolution
1,600 px
Display Pixel Density
266 ppi
Display Features
IPS LCD
Integrated Projector
No

Sensors

Fingerprint Sensor Placement
Rear

Sensor

Sensor Features
Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass

Software

Operating System
Android 9
OS Family
Android
OS Version
9

Connectivity

SIM Configurations
Dual Nano-SIM
Cellular Bands
2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B38, 4G LTE B40, 4G LTE B41
Cellular Technologies
GSM, HSPA, LTE
Wi-Fi Standards
Wi-Fi 802.11a/b/g/n
Wi-Fi Features
Wi-Fi 802.11a/b/g/n
Bluetooth Version
Bluetooth 5.0
Bluetooth Profiles
A2DP, LE
Navigation Systems
GPS
Connectivity Features
3.5 mm Audio Jack, FM Radio, microUSB
USB Version
microUSB

Audio

Audio Features
A2DP, LE, Loudspeaker

Technical

Model numbers
X653, X663

Smart 4

Camera system

Every physical camera module is shown separately, with its sensor, lens and capture capabilities.

1

Rear Camera

Resolution
8 Mpx
Video Recording
1080p at 30 fps
Slow Motion Frame Rate
30 fps
Flash Type
Dual LED
Flash LED Count
2 LEDs
Camera Features
Dual-LED Flash
Sensor
Resolution
8 Mpx
Video
Video Recording
1080p at 30 fps
Slow Motion Frame Rate
30 fps
Flash
Flash Type
Dual LED
Flash LED Count
2 LEDs
Features
Camera Features
Dual-LED Flash
2

Front Camera

Resolution
5 Mpx
Video Recording
1080p at 30 fps
Sensor
Resolution
5 Mpx
Video
Video Recording
1080p at 30 fps
02
Smart 4
Smart 4

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