Compare Infinix Smart 20
Prices in ChinaProduct
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Price
735 CNY (Estimated)
Status
Available
Brand
Infinix Mobiles
Model No
X6840, X6840B
Launch Date
2026, March 04
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
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
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)
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
RAM
4GB
Storage
64GB/128GB
Lens 1
8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Features
Dual-LED flash, panorama
Video
1440p@30fps, 1080p@30fps
Lens 1
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video
1440p@30fps, 1080p@30fps
Capacity
5200 mAh
Charging
15W wired
5W reverse wired
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
Loudspeaker
Yes
3.5mm jack
Yes
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