Screen size
C20 Pro1.8"
GT3Winner: 2.0"+7.7%
Quick verdict
GT3 leads the measured specs 6-2.
Measured wins
C20 Pro
2
spec wins
Ties
4
equal specs
GT3
6
spec wins
Overall winner
Screen size
Technology
C20 Pro
No cellular connectivity
GT3
No cellular connectivity
2G bands
C20 Pro
N/A
GT3
N/A
3G bands
C20 Pro
N/A
GT3
N/A
4G bands
C20 Pro
N/A
GT3
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
GT3
No
GPRS
C20 Pro
No
GT3
No
EDGE
C20 Pro
No
GT3
No
Announced
C20 Pro
2023, November
GT3
2025, March
Status
C20 Pro
Available. Released 2023, November
GT3
Available. Released 2025, March
Dimensions
C20 Pro
54 x 43 x 12.9 mm (2.13 x 1.69 x 0.51 in)
GT3
59.3 x 48.2 x 13.4 mm (2.33 x 1.90 x 0.53 in)
Weight
C20 Pro
-
GT3
57 g (2.01 oz)
SIM
C20 Pro
No
GT3
No
Other
C20 Pro
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
GT3
Waterproof (5ATM)
Type
C20 Pro
TFT LCD
GT3
AMOLED
Size
C20 Pro
1.81 inches
GT3
1.96 inches
Resolution
C20 Pro
240 x 286 pixels (~206 ppi density)
GT3
410 x 502 pixels (~331 ppi density)
OS
C20 Pro
Proprietary OS
GT3
Proprietary OS
Card slot
C20 Pro
No
GT3
No
Internal
C20 Pro
128MB
GT3
32MB
Other
C20 Pro
No
GT3
No
Loudspeaker
C20 Pro
No
GT3
Yes
3.5mm jack
C20 Pro
No
GT3
No
WLAN
C20 Pro
No
GT3
No
Bluetooth
C20 Pro
5.0, A2DP
GT3
5.3, A2DP, LE
Positioning
C20 Pro
No
GT3
GPS (L1+L5)
NFC
C20 Pro
No
GT3
No
Radio
C20 Pro
No
GT3
No
USB
C20 Pro
No
GT3
No
Sensors
C20 Pro
Accelerometer, heart rate, SpO2, blood pressure
GT3
Accelerometer, gyro, barometer, compass, heart rate, SpO2
Languages
C20 Pro
-
GT3
Type
C20 Pro
380 mAh
GT3
530 mAh
Colors
C20 Pro
Gray, Orange
GT3
Black, Gray
Price
C20 Pro
About 50 EUR
GT3
-