Screen size
MX-7830—
MX-C20—
Quick verdict
MX-7830 leads the measured specs 2-1.
Measured wins
MX-7830
2
spec wins
Overall winner
Ties
4
equal specs
MX-C20
1
spec wins
Screen size
Technology
MX-7830
GSM
MX-C20
GSM
2G bands
MX-7830
GSM 900 / 1800
MX-C20
GSM 900 / 1800
GPRS
MX-7830
Yes
MX-C20
Yes
EDGE
MX-7830
No
MX-C20
No
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
3.5mm jack
equal specsSD card
equal specsStereo speakers
Announced
MX-7830
2003
MX-C20
2003
Status
MX-7830
Discontinued
MX-C20
Discontinued
Dimensions
MX-7830
113 x 47 x 19 mm (4.45 x 1.85 x 0.75 in)
MX-C20
91 x 46 x 23 mm (3.58 x 1.81 x 0.91 in)
Weight
MX-7830
95 g (3.35 oz)
MX-C20
90 g (3.17 oz)
SIM
MX-7830
Mini-SIM
MX-C20
Mini-SIM
Type
MX-7830
65K colors
MX-C20
CSTN, 65K colors
Size
MX-7830
MX-C20
Resolution
MX-7830
128 x 160 pixels, 11 lines
MX-C20
128 x 160 pixels, 7 lines
Other
MX-7830
Second external display Wallpaper
MX-C20
Second external display ( orange LCD ) Wallpaper
Card slot
MX-7830
No
MX-C20
No
Phonebook
MX-7830
250 entries, 5 contact groups
MX-C20
250
Call records
MX-7830
30 received, dialed and missed calls
MX-C20
20 received, dialed and missed calls
Other
MX-7830
No
MX-C20
-
Loudspeaker
MX-7830
No
MX-C20
No
Alert types
MX-7830
Vibration; Polyphonic ringtones
MX-C20
Vibration; Downloadable polyphonic ringtones
3.5mm jack
MX-7830
No
MX-C20
No
WLAN
MX-7830
No
MX-C20
No
Bluetooth
MX-7830
No
MX-C20
No
Positioning
MX-7830
No
MX-C20
No
Infrared port
MX-7830
Yes
MX-C20
-
Radio
MX-7830
No
MX-C20
No
USB
MX-7830
Proprietary
MX-C20
Proprietary
Sensors
MX-7830
MX-C20
Messaging
MX-7830
SMS, EMS
MX-C20
SMS, EMS
Browser
MX-7830
WAP 1.2.1
MX-C20
WAP 1.2.1
Games
MX-7830
Yes
MX-C20
Yes
Java
MX-7830
No
MX-C20
Yes
Other
MX-7830
Predictive text input Sync ML Voice dial Optional digital camera Organizer
MX-C20
Sync ML Predictive text input Organizer
Type
MX-7830
Removable Li-Ion 900 mAh battery
MX-C20
Removable Li-Po battery
Stand-by
MX-7830
Up to 200 h
MX-C20
Up to 150 h
Talk time
MX-7830
Up to 5 h
MX-C20
Up to 3 h
Colors
MX-7830
MX-C20
Single
MX-7830
-
MX-C20
Yes
Video
MX-7830
-
MX-C20
No
Other
MX-7830
-
MX-C20
No