Key Features
- MediaTek Helio G81 Ultimate chipset
- 6.78-inch HD+ punch-hole display with 120Hz refresh rate
- 5200mAh battery in a 7.7mm slim body; 15W charging supported
- Voiceprint noise reduction for clearer calls
- UltraLink offline calling up to about 1km (official claim)
- NFC with cross-system touch transfer
- IP64 splash and dust resistance
- Extended RAM: 4GB physical, up to 8GB with virtual RAM; microSD up to 2TB
General
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Brand:
Infinix
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Model:
Smart 20
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Model Code:
X6840B
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Memory options:
4GB/64GB, 4GB/128GB
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Network:
4G
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Colours:
Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange
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Condition:
Brand new, PTA approved, official warranty
Display
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Size:
6.78 inches
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Resolution:
HD+ 720*1576
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Refresh Rate:
45Hz/60Hz/90Hz/120Hz
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Type:
IPS a-si
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Material:
LCD
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Brightness:
560 nits (TYP), 700 nits (HBM Brightness)
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Color Gamut:
72% NTSC (TYP)
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Touch Sampling Rate:
120Hz(@60Hz Display) / 180Hz(@90Hz Display) / 240Hz(@120Hz Display)
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Other Features:
AOD, Dynamic Bar
Performance
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Chipset:
MediaTek Helio G81 Ultimate
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CPU:
Octa-core (2×2.0GHz Cortex-A75 & 6×1.7GHz Cortex-A55
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GPU:
Mali G52
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RAM & Storage:
64GB + 4GB (Up to 8GB) / 128GB + 4GB (Up to 8GB)
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Memory Type:
EMMC + LPDDR4X
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Expandable Storage:
Up to 2TB
Camera
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Rear Camera:
8MP, f/2.0, 1/4” sensor, 1.12um, AF
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Front Camera:
8MP, f/2.0, 1/4” sensor, 1.12um, FF
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Flash:
Rear Dual Flash
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Video Recording:
Front/Rear: 2K 30FPS/1080P / 30FPS/720P 30FPS
Battery
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Capacity:
5200mAh (TYP)
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Charging:
10W Charger, 15W Supported
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Reverse Charging:
5W Supported
Other
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Model:
X6840B
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Dimensions:
167.7*78.8*7.7mm
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Network:
4G/3G/2G
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Audio/Video:
Audio: DTS
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SIM Card Slot:
2 nano SIMs + Micro SD
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Wi-Fi:
Wi-Fi 802.11 (a/b/g/n/ac)
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Bluetooth:
Yes
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Earphone:
Yes, 3.5 Jack
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NFC:
Yes
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Fingerprint:
Yes
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Infrared Blaster:
Yes
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Water/Dust Resistance:
IP64




































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