Xiaomi Poco C81x vs Infinix Smart 20
Product
.webp)
.webp)
Price
105 USD
105 USD
Status
Available
Available
Brand
Xiaomi Mobiles
Infinix Mobiles
Model No
Xiaomi Poco C81x
X6840, X6840B
Launch Date
2026, April 23
2026, March 04
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 5, 8, 28, 40, 41
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40
Speed
HSPA, LTE
HSPA, LTE
Dimensions
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in)
Weight
193 g (6.81 oz)
Build
Dust and splash resistant
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
Nano-SIM + Nano-SIM
Colors
Ice Blue, Crystal Black
Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange
Type
IPS LCD, 120Hz, 650 nits (HBM)
IPS LCD, 120Hz, 700 nits (HBM)
Size
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
6.78 inches, 109.5 cm2 (~82.9% screen-to-body ratio)
Resolution
720 x 1640 pixels (~260 ppi density)
720 x 1576 pixels, 19.5:9 ratio (~259 ppi density)
OS
Android 15, up to 2 major Android upgrades
Android 16, XOS 16
Chipset
Unisoc T7250 (12 nm)
Mediatek Helio G81 Ultimate (12 nm)
CPU
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU
Mali-G57 MP1
Mali-G52 MC2
RAM
3GB
4GB
Storage
64GB
64GB/128GB
Lens 1
13 MP, f/2.2, (wide)
8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Features
LED flash, HDR
Dual-LED flash, panorama
Video
1080p@30fps
1440p@30fps, 1080p@30fps
Lens 1
8 MP, f/2.0, (wide)
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Features
HDR
Video
1080p@30fps
1440p@30fps, 1080p@30fps
Capacity
5200 mAh
5200 mAh
Charging
15W wired
7.5W reverse wired
15W wired
5W reverse wired
Sensors
Fingerprint (side-mounted), accelerometer, compass
Virtual proximity sensing
Fingerprint (side-mounted), accelerometer, proximity, compass
Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.2, A2DP, LE
Yes
GPS
GPS, GALILEO, GLONASS, QZSS
GPS
Radio
FM radio
FM radio
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
NFC
Yes