Infinix Smart 20
Infinix

Infinix Smart 20

Android 16 XOS 16 Available
Display 6.78″ IPS LCD
Camera 8 MP Main camera
Chipset MediaTek Helio G81 Ultimate
Memory 4GB LPDDR4X 64GB | 128GB eMMC
Battery 5200 mAh
Charging 15W supported; 10W charger
PhonicSpecs score7.3/10
Current price Rs. 38,499
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PhonicSpecs editorial 7.3/10 editorial Independent editorial assessment

Prices

Pakistan price Rs. 38,499

Overview

Infinix Smart 20 is a 4G smartphone built around a 6.78-inch 120Hz IPS LCD, MediaTek Helio G81 Ultimate. Its camera setup is led by 8 MP rear camera, f/2.0, autofocus. Power comes from a 5200mAh battery with 15W supported; 10W charger. IP64 protection strengthens its everyday durability. Software is listed as XOS 16 on Android 16. The main trade-off is large display is only hd+ resolution. Overall, it is aimed at budget buyers who want Android 16, a 120Hz display and expandable storage.

Full Specifications

Launch & Software

Availability Status Available
Operating System Android 16
UI / Software Version XOS 16
Model Numbers X6840

Network

Technology 2G, 3G, 4G
2G Bands B3 | B5 | B8 (official X6840 reference; band availability can vary by region)
3G Bands B1 | B5 | B8 (official X6840 reference; band availability can vary by region)
4G Bands B1 | B3 | B5 | B8 | B28A | B28B | B38 | B40 | B41 (official X6840 reference; band availability can vary by region)
5G Bands No
Network Speed 4G LTE
SIM Dual Nano-SIM + dedicated microSD

Body & Design

Dimensions 167.7 × 78.8 × 7.7 mm
Build Front glass / polymer body not explicitly detailed on cited official page
Protection / Resistance IP64
Colors Shadow Black | Polaris Titanium | Sunlike Orange | Cloudline Blue

Display

Display Type IPS LCD
Screen Size 6.78 inches
Resolution 720 × 1576 pixels
Refresh Rate 120 Hz
Peak Brightness 700 nits
HDR / Display Features 560 nits typical; 700 nits HBM; 45/60/90/120Hz

Platform & Memory

Chipset MediaTek Helio G81 Ultimate
CPU Octa-core: 2×2.0GHz Cortex-A75 + efficiency cores
GPU Mali-G52
RAM Options 4GB LPDDR4X
Storage Options 64GB | 128GB eMMC
Storage Type eMMC
Memory Card MicroSD up to 2TB

Cameras

Main Camera 8 MP rear camera, f/2.0, autofocus
Optical Zoom No dedicated optical telephoto
Flash Rear dual flash
Main Camera Features AI Cam; Dual Video; Portrait; Super Night; Pro; Panorama; Documents
Main Camera Video 2K at 30 fps; 1080p at 30 fps; 720p at 30 fps
Selfie Camera 8 MP front camera, f/2.0, autofocus
Selfie Video 2K at 30 fps; 1080p at 30 fps; 720p at 30 fps

Sound

3.5mm Jack 3.5mm headphone jack
Audio Features DTS

Battery & Charging

Battery Type Built-in rechargeable battery
Battery Capacity 5200 mAh
Wired Charging 15W supported; 10W charger
Reverse Charging 5W wired reverse charging
Removable No

Connectivity

Wi-Fi Wi-Fi 802.11 a/b/g/n/ac
Bluetooth Bluetooth (version not specified on cited official page)
Positioning GPS
NFC No
Infrared Yes; infrared blaster
Radio FM radio
USB USB Type-C
USB / Port USB Type-C; OTG

Sensors & Features

Fingerprint Fingerprint sensor
Accelerometer Yes
Gyroscope Software/virtual gyroscope
Compass Yes
Proximity Yes
Other Features Exact X6840 hardware is manufacturer-confirmed: Android 16/XOS 16, Helio G81 Ultimate, 4GB+64/128GB, 5200mAh, 120Hz, IP64, NFC No, infrared, DTS and 5W reverse charging. The manufacturer explicitly states band availability can vary by region; the listed bands are the official X6840 reference and are not labelled Pakistan-exclusive. Current Pakistan retail price: PKR 38,499.

PhonicSpecs Review

Infinix Smart 20 Review: Android 16 Basics with a 120Hz Screen 7.3/10 editorial

Infinix Smart 20: Android 16 Basics with a 120Hz Screen. PhonicSpecs editorial score 73/100, based on verified specifications and market context rather than hands-on testing.

Read review →

Our verdict

Infinix Smart 20 earns 73/100 as a android 16 basics with a 120hz screen. Its strongest verified advantages are 120hz display for smoother scrolling, 8 mp rear camera, ip64 protection, while large display is only hd+ resolution, no 5g support.

Buying advice

Buy Infinix Smart 20 if you are among budget buyers who want Android 16, a 120Hz display and expandable storage. Check the current Pakistan price and exact local variant before purchase, especially where memory, NFC, SIM configuration or network bands can vary by market.

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Pros & Cons

Pros

  • 120Hz display for smoother scrolling
  • 8 MP rear camera
  • IP64 protection
  • Expandable storage support

Cons

  • Large display is only HD+ resolution
  • No 5G support
  • Charging is limited to 15W supported; 10W charger
  • eMMC storage is slower than UFS-based rivals
  • Rear camera system has limited focal-length flexibility

Alternatives

Frequently Asked Questions

Does Infinix Smart 20 support 5G?

No. The tracked configuration is a 4G/LTE phone; it should not be presented as a 5G model.

What are the battery and charging specifications of Infinix Smart 20?

PhonicSpecs tracks a 5200mAh battery with 15W supported; 10W charger. Actual endurance and charging time depend on usage, temperature and the charger/cable used.

Who should buy Infinix Smart 20?

It is best suited to budget buyers who want Android 16, a 120Hz display and expandable storage. Buyers should compare its current local price with nearby alternatives before deciding.