71% SPEC SCORE
$80
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 both work and entertainment. Get smooth, responsive performance for effortless day-to-day usage. With a Long-lasting 5200 mAh battery life, you can stay powered throughout the day without frequent charging. Price starting at $79 this device is budget-friendly and it’s offers incredible value, blending performance, style, and affordability.
Infinix Smart 20 Key Features
Display
6.78 inches (720x1576 pixels) HD
120Hz Refresh rate
Camera
8 MP (Single Camera)
8 MP Selfie 1440P Video
Hardware
MediaTek Helio G81 Ultimate
OS
Android 16
XOS 16
Ram & Storage
4GB + 64GB
4GB + 128GB
Battery
5200mAh
Wired, 15W
Data Updated on: 01 Sep, 2026
Infinix Smart 20 Pros & Cons
By Amit Dubey | on 07 September 2026
5.9
/ 10
TSI Score
Design
Display
Performance
Battery
Camera
Software
Sound
Usage
Pros
Very low pricing.
Large 6.78-inch display.
120Hz refresh rate at an entry-level price.
5200mAh battery is larger than the budget-phone norm.
Cons
720p-class resolution on a 6.78-inch panel.
Only 4GB RAM.
64GB storage will feel tight quickly.
Helio G81 Ultimate is a modest chipset.
Infinix Smart 20 Price and Full Specifications
Launch Date
| Announced Date | 04 Apr, 2026 |
| Released Date | 07 Mar, 2026 |
| Status | Available |
Network
| Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | LTE |
| Speed | HSPA / LTE |
Display
Similar Display
| Screen Size | 6.78 inches, 109.5 cm² (~82.9% screen-to-body ratio) |
| Display Type | IPS LCD |
| Resolution | 720 × 1576 pixels (HD) |
| Aspect Ratio | 19.5:9 |
| PPI | 259 ppi |
| Refresh Rate | 120Hz |
| Brightness | 700 nits (HBM) |
Performance
Similar Performance
| Processor (SoC) | MediaTek Helio G81 Ultimate |
| Fabrication process | 12nm |
| CPU | Octa-core: 2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55 |
| CPU cores | 8 |
| GPU | Mali G52 MC2 |
Storage
| Memory | 4GB + 64GB, 4GB + 128GB |
| Storage type | eMMC 5.1 |
| Memory Card Slot | microSDXC (dedicated slot) |
Camera
Similar Camera
REAR CAMERA | |
| Type | Single camera |
| Primary | 8 MP, f/2.0, (Wide), 1/4.0", 1.12µm, AF |
| Features | Dual-LED Flash, Panorama |
| Video Recording | 2K @30fpsfps 1080p @30fpsfps |
FRONT CAMERA | |
| Type | Single camera |
| Primary | 8 MP, f/2.0, (Wide), 1.12µm |
| Video Recording | 2K @30fpsfps 1080p @30fpsfps |
Battery
Similar Battery
| Battery Capacity | 5200mAh |
| Battery Removable | No |
| Charging | 15W Wired 5W reverse wired |
Software & OS
| Operating System | Android 16 |
| OS UI | XOS 16 |
Design
| Dimensions | 167.7 x 78.8 x 7.7 mm (3.1 x 0.3 in) |
| Color Options | Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange |
| Water & Dust Resistance | IP64 Dust tight and water resistant (water splashes) |
| Build | Glass front, plastic back, Plastic frame |
| Sim Card Types | Nano-SIM + Nano-SIM |
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, OTG |
Sound
| Loudspeaker | Yes |
| Sound Jack | 3.5 |
Sensors & Features
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
Additional Info
| Models | X6840, X6840B |
| Pricing | $79.54 / R$ 406.51 / ₹7,499 / £59.09 / €68.11 / C$109.97 |
What's in the Box
| Infinix Smart 20 | Handset, USB-C cable, SIM ejector tool, and quick start guide |
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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Frequently Asked Questions
Is the Infinix Smart 20 water proof?
The Infinix Smart 20 is water-resistant, not fully waterproof, with an IP64 rating for dust and splash protection. IP64 means the phone is protected against dust ingress and water splashes, but it is not designed for submersion in water. Buyers should avoid swimming, shower use, or charging the Infinix Smart 20 while it is wet, because splash resistance is different from full waterproofing.
What are the key features of the Infinix Smart 20?
The Infinix Smart 20’s key features include a 6.78-inch 120Hz display, MediaTek Helio G81 Ultimate chipset, 4GB RAM, and a large 5200mAh battery. The listed model includes 64GB storage, while Infinix’s global information also references 64GB and 128GB variants with expandable storage up to 2TB. It runs Android and is positioned as an entry-level smartphone, with pricing listed around USD 79.54, INR 7,499, GBP 59.09, or EUR 68.11 depending on market.
How to know original Infinix Smart 20?
An original Infinix Smart 20 can be checked by verifying its IMEI and serial number through Infinix’s official authenticity process. The search context states that you should enter the 16-digit IMEI and the 6-character SN, then submit them to see whether the phone is genuine. Buyers should compare the IMEI on the box, phone settings, and device body where available, especially when purchasing the Infinix Smart 20 from a third-party seller.
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