Screen size
equal specsC36.5"
C31 Pro6.5"
Quick verdict
C3 leads the measured specs 5-4.
Measured wins
C3
5
spec wins
Overall winner
Ties
10
equal specs
C31 Pro
4
spec wins
Screen size
equal specsTechnology
C3
GSM / HSPA / LTE
C31 Pro
GSM / HSPA / LTE
2G bands
C3
GSM 850 / 900 / 1800 / 1900
C31 Pro
GSM 850 / 900 / 1800 / 1900
3G bands
C3
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
C31 Pro
HSDPA 850 / 900 / 2100
4G bands
C3
1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 25, 26, 28, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
C31 Pro
LTE
Speed
C3
HSPA, LTE
C31 Pro
HSPA, LTE
Announced
C3
2025, June
C31 Pro
2022, December
Status
C3
Available. Released 2025, July
C31 Pro
Available. Released 2022, December
Dimensions
C3
163.6 x 75.9 x 9.3 mm (6.44 x 2.99 x 0.37 in)
C31 Pro
9.5 mm thickness
Weight
C3
198 g (6.98 oz)
C31 Pro
212 g (7.48 oz)
SIM
C3
Nano-SIM + Nano-SIM
C31 Pro
Nano-SIM + Nano-SIM
Type
C3
IPS LCD, 450 nits
C31 Pro
IPS LCD, 400 nits
Size
C3
6.52 inches, 102.6 cm2 (~82.7% screen-to-body ratio)
C31 Pro
6.52 inches, 102.6 cm2
Resolution
C3
540 x 1200 pixels, 20:9 ratio (~202 ppi density)
C31 Pro
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Protection
C3
Sharp glass, Mohs level 5
C31 Pro
-
OS
C3
Android 14
C31 Pro
Android 12
Chipset
C3
Unisoc T310 (12 nm)
C31 Pro
Mediatek MT6762 Helio P22 (12 nm)
CPU
C3
Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
C31 Pro
Octa-core 2.0 GHz Cortex-A53
GPU
C3
PowerVR GE8300
C31 Pro
PowerVR GE8320
Card slot
C3
microSDXC (uses shared SIM slot)
C31 Pro
microSDXC (dedicated slot)
Internal
C3
64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
C31 Pro
64GB 4GB RAM
Single
C3
13 MP, f/2.2 (wide), AF
C31 Pro
-
Features
C3
LED flash, HDR, panorama
C31 Pro
LED flash
Video
C3
1080p@30fps
C31 Pro
1080p@30fps
Triple
C3
-
C31 Pro
13 MP, (wide), AF Other unspecified cameras
Single
C3
5 MP, f/2.2, (wide)
C31 Pro
5 MP
Video
C3
720p@30fps
C31 Pro
Yes
Loudspeaker
C3
Yes
C31 Pro
Yes
3.5mm jack
C3
Yes
C31 Pro
Yes
WLAN
C3
Wi-Fi 802.11 a/b/g/n/ac, dual-band
C31 Pro
Yes
Bluetooth
C3
5.0, A2DP, LE
C31 Pro
Yes
Positioning
C3
GPS, GALILEO, GLONASS, BDS
C31 Pro
GPS, GLONASS, GALILEO, BDS
NFC
C3
No
C31 Pro
No
Radio
C3
FM radio
C31 Pro
Unspecified
USB
C3
USB Type-C
C31 Pro
USB Type-C 2.0
Sensors
C3
Accelerometer
C31 Pro
Fingerprint (rear-mounted); unspecified sensors
Type
C3
Li-Po 5000 mAh
C31 Pro
Li-Po 5150 mAh
Charging
C3
10W wired
C31 Pro
-
Colors
C3
Gold, Purple, Blue, Black
C31 Pro
Blue, Purple, Black
Price
C3
-
C31 Pro
About 110 EUR