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- Smart 20
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Infinix Smart 20
Infinix Smart 20 is a smartphone released in March 2026. Key specs: screen size 6.8″, refresh rate 120 Hz, chipset Mediatek Helio G81 Ultimate, RAM 4 GB.
5.9Score
Display5.9
Camera3.2
Battery5.8
Features4.5
price range—
- Released
- March 2026
- Type
- Smartphone
- Brand
Infinix- Popularity
- #1,216 of 4,088
- Series
- Infinix Smart · 7 generations
- Model numbers
- X6840X6840B
6.8″Screen size
120 HzRefresh rate
Helio G81 UltimateChipset
4 GBRAM
8 MPMain camera
5,200 mAhBattery capacity
15 WWired charging
185 gWeight
Spec guide
How it ranks among smartphones of 2026
Screen size · 6.8″Top 42%Refresh rate · 120 HzBottom 45%RAM · 4 GBBottom 11%Main camera · 8 MPBottom 4%Battery capacity · 5,200 mAhBottom 25%Wired charging · 15 WBottom 12%Weight · 185 gTop 11%
Compared with smartphones released in 2026. Bars show the share of models it beats.
compared with other smartphones
Why is Smart 20 a good choice?
Refresh rate: 120 Hzbetter than 72% of smartphones
Screen size: 6.8″better than 82% of smartphones
Weight: 185 gbetter than 76% of smartphones
Thickness: 7.7 mmbetter than 90% of smartphones
Weak points
Pixel density: 259 ppiworse than 94% of smartphones
RAM: 4 GBworse than 89% of smartphones
Wired charging: 15 Wworse than 85% of smartphones
Water resistance (IPx): IPx4worse than 87% of smartphones
Specifications
Full specifications
Design
- Weight
- 185 g
- Thickness
- 7.7 mm
- Height
- 167.7 mm
- Width
- 78.8 mm
- Frame
- Plastic
- Back
- Plastic
- Water resistance (IPx)
- IPx4
- Colours
- Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange
Display
- Screen size
- 6.8″
- Panel
- IPS LCD
- OLED panel
- No
- Resolution (width)
- 720 px
- Resolution (height)
- 1,576 px
- Pixel density
- 259 ppi
- Refresh rate
- 120 Hz
- Peak brightness
- 700 nits
- Screen-to-body ratio
- 82.9%
Performance
- Chipset
- Mediatek Helio G81 Ultimate
- Process
- 12 nm
- CPU cores
- 8
- CPU frequency
- 2 GHz
Camera
- Main camera
- 8 MP
- Main camera aperture
- f/2
- Rear cameras
- 1
- Optical stabilisation
- No
- Ultra-wide camera
- No
- Telephoto camera
- No
- Max video
- 1080p
- Selfie camera
- 8 MP
- 4K selfie video
- No
Battery
- Battery capacity
- 5,200 mAh
- Wired charging
- 15 W
- Wireless charging
- No
Connectivity
- 5G
- No
- eSIM
- No
- Dual SIM
- Yes
- Wi-Fi standard
- Wi-Fi 5
- NFC
- Yes
- USB
- USB Type-C 2.0
- USB version
- 2
Features
- Stereo speakers
- No
- 3.5 mm headphone jack
- Yes
- Fingerprint sensor
- Side
- Sensors
- Fingerprint (side-mounted), accelerometer, proximity, compass
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
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