Screen size
Poco C316.5"
Poco C81xWinner: 6.9"+5.1%
Quick verdict
Poco C81x leads the measured specs 11-2.
Measured wins
Poco C31
2
spec wins
Ties
8
equal specs
Poco C81x
11
spec wins
Overall winner
Screen size
Technology
Poco C31
GSM / HSPA / LTE
Poco C81x
GSM / HSPA / LTE
2G bands
Poco C31
GSM 850 / 900 / 1800 / 1900
Poco C81x
GSM 850 / 900 / 1800 / 1900
3G bands
Poco C31
HSDPA 850 / 900 / 2100
Poco C81x
HSDPA 850 / 900 / 2100
4G bands
Poco C31
1, 3, 5, 8, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Poco C81x
1, 3, 5, 8, 28, 40, 41
Speed
Poco C31
HSPA, LTE
Poco C81x
HSPA, LTE
Announced
Poco C31
2021, September 30
Poco C81x
2026, April 23
Status
Poco C31
Available. Released 2021, October 02
Poco C81x
Available. Released 2026, April 23
Dimensions
Poco C31
164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in)
Poco C81x
171.8 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)
Weight
Poco C31
194 g (6.84 oz)
Poco C81x
193 g (6.81 oz)
SIM
Poco C31
Nano-SIM + Nano-SIM
Poco C81x
Nano-SIM + Nano-SIM
Other
Poco C31
-
Poco C81x
Dust and splash resistant
Type
Poco C31
IPS LCD
Poco C81x
IPS LCD, 120Hz, 650 nits (HBM)
Size
Poco C31
6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio)
Poco C81x
6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio)
Resolution
Poco C31
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Poco C81x
720 x 1640 pixels (~260 ppi density)
OS
Poco C31
Android 10, MIUI 12
Poco C81x
Android 15, up to 2 major Android upgrades
Chipset
Poco C31
Mediatek MT6765G Helio G35 (12 nm)
Poco C81x
Unisoc T7250 (12 nm)
CPU
Poco C31
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Poco C81x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Poco C31
PowerVR GE8320
Poco C81x
Mali-G57 MP1
Card slot
Poco C31
microSDXC (dedicated slot)
Poco C81x
microSDXC (dedicated slot)
Internal
Poco C31
32GB 3GB RAM, 64GB 4GB RAM
Poco C81x
64GB 3GB RAM
Other
Poco C31
eMMC 5.1
Poco C81x
-
Triple
Poco C31
13 MP, f/2.2, (wide), 1.0µm, PDAF 2 MP (macro) Auxiliary lens
Poco C81x
-
Features
Poco C31
LED flash, HDR
Poco C81x
LED flash, HDR
Video
Poco C31
1080p@30fps
Poco C81x
1080p@30fps
Single
Poco C31
-
Poco C81x
13 MP, f/2.2, (wide)
Single
Poco C31
5 MP, f/2.2, (wide), 1.12µm
Poco C81x
8 MP, f/2.0, (wide)
Features
Poco C31
HDR
Poco C81x
HDR
Video
Poco C31
1080p@30fps
Poco C81x
1080p@30fps
Loudspeaker
Poco C31
Yes
Poco C81x
Yes
3.5mm jack
Poco C31
Yes
Poco C81x
Yes
WLAN
Poco C31
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Poco C81x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Poco C31
5.0, A2DP, LE
Poco C81x
5.2, A2DP, LE
Positioning
Poco C31
GPS, GLONASS, BDS
Poco C81x
GPS, GALILEO, GLONASS, QZSS
NFC
Poco C31
No
Poco C81x
No
Radio
Poco C31
FM radio
Poco C81x
FM radio
USB
Poco C31
microUSB 2.0, OTG
Poco C81x
USB Type-C 2.0, OTG
Sensors
Poco C31
Fingerprint (rear-mounted), accelerometer, proximity
Poco C81x
Fingerprint (side-mounted), accelerometer, compass
Other
Poco C31
-
Poco C81x
Virtual proximity sensing
Type
Poco C31
Li-Po 5000 mAh
Poco C81x
5200 mAh
Charging
Poco C31
10W wired
Poco C81x
15W wired 7.5W reverse wired
Colors
Poco C31
Royal Blue, Shadow Gray
Poco C81x
Ice Blue, Crystal Black
Models
Poco C31
MZB0A0MIN, MZB0A0KIN, 211033MI, 22031116AI
Poco C81x
-
SAR
Poco C31
0.51 W/kg (head) 0.83 W/kg (body)
Poco C81x
-
Price
Poco C31
About 90 EUR
Poco C81x
About 90 EUR