Screen size
Poco C406.7"
Poco C81xWinner: 6.9"+2.5%
Quick verdict
Poco C81x leads the measured specs 9-6.
Measured wins
Poco C40
6
spec wins
Ties
6
equal specs
Poco C81x
9
spec wins
Overall winner
Screen size
Technology
Poco C40
GSM / HSPA / LTE
Poco C81x
GSM / HSPA / LTE
2G bands
Poco C40
GSM 850 / 900 / 1800 / 1900
Poco C81x
GSM 850 / 900 / 1800 / 1900
3G bands
Poco C40
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Poco C81x
HSDPA 850 / 900 / 2100
4G bands
Poco C40
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Poco C81x
1, 3, 5, 8, 28, 40, 41
Speed
Poco C40
HSPA, LTE
Poco C81x
HSPA, LTE
Announced
Poco C40
2022, June 06
Poco C81x
2026, April 23
Status
Poco C40
Available. Released 2022, June 17
Poco C81x
Available. Released 2026, April 23
Dimensions
Poco C40
169.6 x 76.6 x 9.2 mm (6.68 x 3.02 x 0.36 in)
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Weight
Poco C40
204 g (7.20 oz)
Poco C81x
193 g (6.81 oz)
SIM
Poco C40
Nano-SIM + Nano-SIM
Poco C81x
Nano-SIM + Nano-SIM
Other
Poco C40
Dust & splash resistant
Poco C81x
Dust and splash resistant
Type
Poco C40
IPS LCD, 400 nits
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Size
Poco C40
6.71 inches, 106.5 cm2 (~82.0% screen-to-body ratio)
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Resolution
Poco C40
720 x 1650 pixels (~268 ppi density)
Poco C81x
720 x 1640 pixels (~260 ppi density)
Protection
Poco C40
Corning Gorilla Glass
Poco C81x
-
OS
Poco C40
Android 11, MIUI 13 for POCO
Poco C81x
Android 15, up to 2 major Android upgrades
Chipset
Poco C40
JLQ JR510 (11 nm)
Poco C81x
Unisoc T7250 (12 nm)
CPU
Poco C40
Octa-core (4x2.0 GHz Cortex-A55 & 4x1.5 GHz Cortex-A55)
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Poco C40
Mali-G57 MC1
Poco C81x
Mali-G57 MP1
Card slot
Poco C40
microSDXC
Poco C81x
microSDXC (dedicated slot)
Internal
Poco C40
32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM
Poco C81x
64GB 3GB RAM
Dual
Poco C40
13 MP, f/2.2, (wide), PDAF Auxiliary lens
Poco C81x
-
Features
Poco C40
LED flash, HDR, panorama
Poco C81x
LED flash, HDR
Video
Poco C40
1080p@30fps
Poco C81x
1080p@30fps
Single
Poco C40
-
Poco C81x
13 MP, f/2.2, (wide)
Single
Poco C40
5 MP, f/2.2
Poco C81x
8 MP, f/2.0, (wide)
Features
Poco C40
HDR
Poco C81x
HDR
Video
Poco C40
1080p@30fps
Poco C81x
1080p@30fps
Loudspeaker
Poco C40
Yes
Poco C81x
Yes
3.5mm jack
Poco C40
Yes
Poco C81x
Yes
WLAN
Poco C40
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Poco C40
5.0, A2DP, LE
Poco C81x
5.2, A2DP, LE
Positioning
Poco C40
GPS, GLONASS, GALILEO, BDS
Poco C81x
GPS, GALILEO, GLONASS, QZSS
NFC
Poco C40
Yes (market/region dependent)
Poco C81x
No
Infrared port
Poco C40
Yes
Poco C81x
-
Radio
Poco C40
FM radio
Poco C81x
FM radio
USB
Poco C40
USB Type-C 2.0
Poco C81x
USB Type-C 2.0, OTG
Sensors
Poco C40
Fingerprint (rear-mounted), accelerometer, proximity
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Other
Poco C40
-
Poco C81x
Virtual proximity sensing
Type
Poco C40
Li-Po 6000 mAh
Poco C81x
5200 mAh
Charging
Poco C40
18W wired
Poco C81x
15W wired 7.5W reverse wired
Colors
Poco C40
Power Black, Coral Green, Poco Yellow
Poco C81x
Ice Blue, Crystal Black
Models
Poco C40
220333QPG
Poco C81x
-
Price
Poco C40
About 110 EUR
Poco C81x
About 90 EUR