Screen size
C20 ProWinner: 1.8"+4.4%
X31.7"
Quick verdict
X3 leads the measured specs 5-3.
Measured wins
C20 Pro
3
spec wins
Ties
4
equal specs
X3
5
spec wins
Overall winner
Screen size
Technology
C20 Pro
No cellular connectivity
X3
No cellular connectivity
2G bands
C20 Pro
N/A
X3
N/A
3G bands
C20 Pro
N/A
X3
N/A
4G bands
C20 Pro
N/A
X3
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
N/A
Speed
C20 Pro
No
X3
No
GPRS
C20 Pro
No
X3
No
EDGE
C20 Pro
No
X3
No
Announced
C20 Pro
2023, November
X3
2025, March
Status
C20 Pro
Available. Released 2023, November
X3
Available. Released 2025, March
Dimensions
C20 Pro
54 x 43 x 12.9 mm (2.13 x 1.69 x 0.51 in)
X3
53.8 x 53.8 x 13.5 mm (2.12 x 2.12 x 0.53 in)
Weight
C20 Pro
-
X3
94.6 g (3.35 oz)
SIM
C20 Pro
No
X3
No
Other
C20 Pro
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
X3
Waterproof (5ATM)
Build
C20 Pro
-
X3
Zinc alloy frame and rear
Type
C20 Pro
TFT LCD
X3
TFT LCD
Size
C20 Pro
1.81 inches
X3
1.73 inches
Resolution
C20 Pro
240 x 286 pixels (~206 ppi density)
X3
466 x 466 pixels (~381 ppi density)
OS
C20 Pro
Proprietary OS
X3
Proprietary OS
Card slot
C20 Pro
No
X3
No
Internal
C20 Pro
128MB
X3
16MB
Other
C20 Pro
No
X3
No
Loudspeaker
C20 Pro
No
X3
Yes
3.5mm jack
C20 Pro
No
X3
No
WLAN
C20 Pro
No
X3
No
Bluetooth
C20 Pro
5.0, A2DP
X3
5.3, A2DP
Positioning
C20 Pro
No
X3
Unspecified
NFC
C20 Pro
No
X3
No
Radio
C20 Pro
No
X3
No
USB
C20 Pro
No
X3
No
Sensors
C20 Pro
Accelerometer, heart rate, SpO2, blood pressure
X3
Accelerometer, heart rate, SpO2, barometer, compass
Type
C20 Pro
380 mAh
X3
900 mAh
Colors
C20 Pro
Gray, Orange
X3
Black
Price
C20 Pro
About 50 EUR
X3
-