Infinix Smart 20

Specifications

2026, March 04 Released
Infinix Smart 20
Display
6.78"
720x1576 pixels
Camera
8 MP
1440p
RAM & Chipset
4 GB RAM
Helio G81 Ultimate
Battery
5200 mAh
15W

Detailed Specifications

Full technical breakdown of Infinix Smart 20

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

Launch

Announced
2026, March 04
Status
Available. Released 2026, March

Body

Dimensions
167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in)
Weight
-
Build
Glass front, plastic back, plastic frame
SIM
Nano-SIM + Nano-SIM
 
IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m

Display

Type
IPS LCD, 120Hz, 700 nits (HBM)
Size
6.78 inches, 109.5 cm2 (~82.9% screen-to-body ratio)
Resolution
720 x 1576 pixels, 19.5:9 ratio (~259 ppi density)

Platform

OS
Android 16, XOS 16
Chipset
Mediatek Helio G81 Ultimate (12 nm)
CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU
Mali-G52 MC2

Memory

Card slot
microSDXC (dedicated slot)
Internal
64GB 4GB RAM, 128GB 4GB RAM
 
eMMC 5.1

Main Camera

Single
8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Features
Dual-LED flash, panorama
Video
1440p@30fps, 1080p@30fps

Selfie Camera

Single
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video
1440p@30fps, 1080p@30fps

Sound

Loudspeaker
Yes
3.5mm jack
Yes

Comms

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Yes
Positioning
GPS
NFC
Yes
Infrared port
Yes
Radio
FM radio
USB
USB Type-C 2.0, OTG

Features

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

Battery

Type
5200 mAh
Charging
15W wired 5W reverse wired

Misc

Colors
Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange
Models
X6840, X6840B

Infinix Smart 20 — Complete Review & Specifications 2026

Everything you need to know about the Infinix Smart 20 before buying

The smartphone market continues to expand with exciting new releases, and the Infinix Smart 20 is one of the devices that has captured the attention of tech enthusiasts and everyday users alike. Whether you are considering purchasing the Infinix Smart 20 as your next daily driver or simply want to understand what this device has to offer, this comprehensive review will walk you through every important aspect of its specifications and help you decide if it is the right phone for you. At PhoneSpecs, we provide detailed, accurate specification data so you can make informed purchasing decisions with confidence.

Design and Build Quality of the Infinix Smart 20

First impressions matter, and the Infinix Smart 20 delivers a design that reflects current smartphone trends. Modern smartphones are expected to combine aesthetics with durability, and the Infinix Smart 20 aims to strike that balance. The device features a carefully crafted body that feels comfortable in the hand while maintaining a sleek, contemporary appearance. Build quality is an essential factor when investing in a new phone — you want a device that not only looks premium but can also withstand the rigors of daily use. The Infinix Smart 20 incorporates materials and construction techniques designed to provide both visual appeal and structural integrity.

Display and Visual Experience

The display is the component you interact with most on any smartphone, and the Infinix Smart 20 comes equipped with a screen designed to deliver an engaging visual experience. Whether you are scrolling through social media, watching streaming content, or playing games, the display quality significantly impacts your overall satisfaction. Key factors include resolution sharpness, color accuracy, brightness levels for outdoor visibility, and refresh rate smoothness. The Infinix Smart 20 specification sheet on PhoneSpecs provides the exact display specifications so you can determine if the screen meets your standards.

Camera System and Photography

For many buyers, the camera system is the deciding factor when choosing a new smartphone. Modern smartphone photography uses multi-lens configurations, advanced AI processing, and sophisticated algorithms to produce images that rival dedicated cameras. The Infinix Smart 20 camera system is engineered to handle various shooting scenarios — from bright daylight landscapes to challenging low-light environments, from ultra-wide group photos to detailed macro shots. Visit the full specification page on PhoneSpecs to explore the exact camera configuration, sensor details, and supported shooting modes.

Battery Life and Charging Technology

A smartphone is only as good as its battery life — no amount of impressive features matters if your phone dies halfway through the day. The Infinix Smart 20 is equipped with a battery designed to keep up with your daily activities. Battery capacity provides a baseline estimate, but real-world performance depends on display efficiency, processor power management, and software optimization. Equally important is the charging technology — modern fast charging can dramatically reduce the time you spend tethered to a charger. Check the battery and charging details on PhoneSpecs.

Is the Infinix Smart 20 Worth Buying?

Ultimately, whether the Infinix Smart 20 is the right phone for you depends on your individual priorities, usage patterns, and budget. By reviewing the complete specification sheet available here on PhoneSpecs, you can compare every technical detail against competing devices to determine which phone truly offers the best value for your specific needs. Explore our extensive database to discover your perfect smartphone.

Discover More Amazing Phones

Love the Infinix Smart 20? Explore Thousands More.

Compare specifications side by side, discover the latest releases, and find the perfect phone that matches your needs and budget.

10,000+ Phone Models 100+ Brands Updated Daily 100% Free
Detailed Specs
Every technical detail covered
Always Current
Database updated daily
Global Brands
100+ manufacturers worldwide