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  • Infinix Smart 20 Price in China
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Infinix Smart 20 Price In China

Supported Bands  2G  3G  4G

¥ 735
Estimated

Estimated price, converted from the US price ($105).

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Brand Infinix Mobiles Model X6840, X6840B
  • processor
    Mediatek Helio G81 Ultimate
  • screen
    6.78"
  • battery
    5200 mAh
  • camera
    8MP
  • memory
    4GB, 64GB
  • physical
    720 x 1576 Pixels

Infinix Smart 20 Specifications

Infinix Smart 20 Price In China
  • Box Price ¥ 735Estimated
  • USD Price $105
  • Brand Infinix Mobiles
  • Model No X6840, X6840B

Infinix Smart 20 Launch
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

Infinix Smart 20 Body
  • Dimensions 167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in)
  • Build Glass front, plastic back, plastic frame IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m
  • SIM Nano-SIM + Nano-SIM
  • Colors Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange

Infinix Smart 20 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)

Infinix Smart 20 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

Infinix Smart 20 Memory
  • RAM 4GB
  • Storage 64GB/128GB

Infinix Smart 20 Main Camera
  • Lens 1 8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
  • Features Dual-LED flash, panorama
  • Video 1440p@30fps, 1080p@30fps

Infinix Smart 20 Selfie Camera
  • Lens 1 8 MP, f/2.0, (wide), 1/4.0", 1.12µm
  • Video 1440p@30fps, 1080p@30fps

Infinix Smart 20 Battery
  • Capacity 5200 mAh
  • Charging 15W wired 5W reverse wired

Infinix Smart 20 Smartphone Features
  • Sensors Fingerprint (side-mounted), accelerometer, proximity, compass

Infinix Smart 20 Sound
  • Loudspeaker Yes
  • 3.5mm jack Yes

Infinix Smart 20 Connectivity
  • WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
  • Bluetooth Yes
  • GPS GPS
  • NFC Yes
  • Radio FM radio
  • USB USB Type-C 2.0, OTG

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Infinix Smart 20 Description

Infinix launched the Infinix Smart 20 on 4 Mar 2026. Its price in China is ¥ 735, or $105 in the US.

It has a 6.78-inch IPS LCD display, the Mediatek Helio G81 Ultimate chipset, 4GB RAM and a 5200 mAh battery.

Connectivity & Networking

The Infinix Smart 20 supports GSM / HSPA / LTE on these bands:

  • GSM 850 / 900 / 1800 / 1900
  • HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  • 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40

Infinix Smart 20 connectivity options

  • Wi-Fi: Wi-Fi 802.11 a/b/g/n/ac, dual-band
  • Bluetooth: Yes
  • GPS: GPS
  • NFC: Yes
  • USB: USB Type-C 2.0, OTG

Infinix Smart 20 Design

The phone measures 167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in). Build: Glass front, plastic back, plastic frame IP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m. SIM: Nano-SIM + Nano-SIM. Colours: Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange. Sensors: Fingerprint (side-mounted), accelerometer, proximity, compass.

Display and Processor

The display measures 6.78 inches, 109.5 cm2 (~82.9% screen-to-body ratio) with a resolution of 720 x 1576 pixels, 19.5:9 ratio (~259 ppi density). Panel type: IPS LCD, 120Hz, 700 nits (HBM).

It runs Android 16, XOS 16. The chipset is the Mediatek Helio G81 Ultimate (12 nm) with an octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) CPU.

Memory

The Infinix Smart 20 comes with 4GB RAM and 64GB/128GB storage.

Camera

The main camera has one lens:

  • 8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF

Camera features: Dual-LED flash, panorama.

Selfie camera: 8 MP, f/2.0, (wide), 1/4.0", 1.12µm.

Battery

The Infinix Smart 20 has a 5200 mAh battery with 15W wired 5W reverse wired charging. Loudspeaker: Yes.

What mobile can you get in similar price range?
¥ 640 — ¥ 830

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International Price List of Infinix Smart 20