Infinix

Infinix Smart 20

Infinix budget smartphone featuring 5200 mAh battery, 120Hz display and 8MP camera

Battery: 5200mAh

Price

$144 – $169

Typical retail range — check local retailers before you buy.

Editor score0.0/10

Reader average will appear after the first published user review.

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Overview

Affordable 120Hz everyday smartphone with a large display and 5200mAh battery. MobilesDive lists the verified market variants, key hardware, display, camera, battery and connectivity specifications for this model.

Verdict

What we like — and what gave us pause during testing.

Pros

120Hz display
5200mAh battery
microSD support up to 2TB
Slim 7.7mm design
IP64 protection

Cons

4G only
720p-class display resolution
10W charger in the box
Entry-level Helio G81 Ultimate chipset
Limited display brightness

Full specifications

Verified at publish time — regional SKUs and bands may differ.

OS	Android 16
UI	XOS 16
CPU	Octa-core, 2x2.0GHz Cortex-A75 + 6x1.8GHz Cortex-A55
GPS	Yes
GPU	Mali-G52
NFC	No
OTG	Yes
RAM	4GB
SIM	Dual Nano-SIM
USB	USB Type-C
Model	X6840
Wi-Fi	802.11 a/b/g/n/ac
Colors	Shadow Black / Cloudline Blue / Polaris Titanium / Sunlike Orange
Battery	5200mAh
Chipset	MediaTek Helio G81 Ultimate
Network	4G / 3G / 2G
Process	12nm
Storage	64GB + 128GB
Charging	10W charger, 15W supported
FM Radio	Yes
G-Sensor	Yes
RAM Type	LPDDR4X
Speakers	Dual speakers
Announced	Q1 2026
Bluetooth	5.2
E-Compass	Yes
IP Rating	IP64
2G Support	Yes
3.5mm Jack	Yes
3G Support	Yes
4G Support	Yes
5G Support	No
Brightness	700 nits
Dimensions	167.7 x 78.8 x 7.7mm
Rear Video	2K at 30fps
Resolution	720 x 1576
Color Gamut	72% NTSC
Face Unlock	Yes
Fingerprint	Yes
Memory Card	microSD, up to 2TB
Rear Camera	8MP
Display Size	6.78-inch
Display Type	IPS LCD
Front Camera	8MP
Light Sensor	Yes
RAM Variants	4GB
Refresh Rate	120Hz
SoC Platform	MediaTek Helio G81 Ultimate
Storage Type	eMMC
Battery Class	Standard-large battery
Display Class	Large display
Market Colors	Shadow Black / Cloudline Blue / Polaris Titanium / Sunlike Orange
Pixel Density	256 ppi
Speaker Setup	Dual speakers
USB Interface	USB Type-C
Wi-Fi Support	802.11 a/b/g/n/ac
User Interface	XOS 16
Android Version	Android 16
Body Width (mm)	78.8
Body Length (mm)	167.7
Dual SIM Support	Yes
Proximity Sensor	Yes
Storage Variants	64GB + 128GB
Bluetooth Support	5.2
Graphics Processor	Mali-G52
Ingress Protection	IP-rated
Body Thickness (mm)	7.7
Display Pixel Count	1,134,720 pixels
Rear Camera Modules	1
Touch Sampling Rate	240Hz
Display Aspect Ratio	720:1576
Front Camera Modules	1
Screen-to-Body Ratio	84.8%
Wired Charging Power	15W
Battery Capacity (mAh)	5200