INFINIX SMART 20 4G SPECIFICATION
INFINIX SMART 20 4G SPECIFICATION
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71% SPEC SCORE

$79


The Infinix Smart 20 comes with Android 16, ensuring enhanced functionality and smooth multitasking. It features a massive 6.78-inches HD+ display, perfect for... Read More

Infinix Smart 20 Key Features

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Display

6.78 inches (720x1576 pixels) HD

120Hz Refresh rate

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Camera

8 MP (Single Camera)

8 MP Selfie 1440P Video

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Hardware

MediaTek Helio G81 Ultimate

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OS

Android 16

XOS 16

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Ram & Storage

4GB + 64GB

4GB + 128GB

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Battery

5200mAh

Wired, 15W

Data Updated on: 01 Jun, 2026

Infinix Smart 20 Price and Full Specifications

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Display

Screen Size

6.78 inches, 109.5 cm² (~82.9% screen-to-body ratio)

Display Type

IPS LCD

Aspect Ratio

19.5:9

PPI

259 ppi

Refresh Rate

120Hz

Brightness

700 nits (HBM)

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Performance

Processor (SoC)

MediaTek Helio G81 Ultimate

Fabrication process

12nm

CPU

Mali (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)

CPU cores

Octa-core

GPU

Mali G52 MC2

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Storage

Memory4GB + 64GB,
4GB + 128GB
Storage type

eMMC 5.1

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Camera

REAR CAMERA

Type

Single camera

Primary

8 MP, (Wide), 1.12µm, AF, (1/4.0")

Aperture size: f/2.0

Focal length: 1.12µm

Features

Dual-LED Flash, Panorama

Video Recording

1440p @30fps

1080p @30fps

Autofocus

Yes

OIS

No

FRONT CAMERA

Primary

8 MP, (Wide), 1.12µm

Aperture size: f/2.0

Focal length: 1.12µm

Video Recording

1440p @30fps,

1080p @30fps,

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Battery

Battery Capacity

5200mAh

Charging15W Wired,
5W reverse wired
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Sound

Loudspeaker

Yes

Sound Jack

3.5

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Software & OS

Operating System

Android 16

OS UI

XOS 16

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Design

Dimensions

167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in)

Color Options

Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange

Water & Dust Resistance

Dust tight and water resistant (water splashes)

BuildGlass front, Plastic frame
plastic back
Sim Card Types

Nano-SIM + Nano-SIM

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Network

Technology

GSM / HSPA / LTE

2G bands

GSM 850 / 900 / 1800 / 1900

3G bands

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100

4G bands

1

2

3

4

5

7

8

20

28

38

41

40

Speed

HSPA / LTE

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Connectivity

WLAN

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

Bluetooth

Yes

Positioning

GPS

NFC

Yes

Radio

No

Infrared-port

Yes

USB Version

USB Type-C 2.0

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Sensors & Features

Sensors

Fingerprint (side-mounted), accelerometer, proximity, compass

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Additional Info

PRICING

4GB + 64GB

$79

Models

X6840, X6840B

Disclaimer: Information here may not be 100% accurate; please verify specs and prices on the retailer's website before buying. This page contains affiliate links. We may earn a commission if you make a purchase through them, at no extra cost to you. Thanks for your support!

Infinix Smart 20 Comparisons

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Infinix Smart 20

$79

71% SPEC SCORE

display

6.78 inches (17.22 cm)

120Hz Display

camera

8 MP (Single)

8 MP (Single)

platform

MediaTek

Helio G81 Ultimate

platformOS

Android 16

XOS 16

battery

5200 mAh

15W Wired

storage

4 GB RAM

64 GB Storage

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