Screen size
MX-7830—
MX-7990—
Quick verdict
MX-7830 leads the measured specs 2-1.
Measured wins
MX-7830
2
spec wins
Overall winner
Ties
4
equal specs
MX-7990
1
spec wins
Screen size
Technology
MX-7830
GSM
MX-7990
GSM
2G bands
MX-7830
GSM 900 / 1800
MX-7990
GSM 900 / 1800
GPRS
MX-7830
Yes
MX-7990
Yes
EDGE
MX-7830
No
MX-7990
No
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired 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-7990
2003
Status
MX-7830
Discontinued
MX-7990
Discontinued
Dimensions
MX-7830
113 x 47 x 19 mm (4.45 x 1.85 x 0.75 in)
MX-7990
78 x 37 x 20.5 mm (3.07 x 1.46 x 0.81 in)
Weight
MX-7830
95 g (3.35 oz)
MX-7990
67 g (2.36 oz)
SIM
MX-7830
Mini-SIM
MX-7990
Mini-SIM
Type
MX-7830
65K colors
MX-7990
65K colors
Size
MX-7830
MX-7990
Resolution
MX-7830
128 x 160 pixels, 11 lines
MX-7990
128 x 128 pixels, 8 lines, 1:1 ratio
Other
MX-7830
Second external display Wallpaper
MX-7990
Second external display OLED Wallpaper
Card slot
MX-7830
No
MX-7990
No
Phonebook
MX-7830
250 entries, 5 contact groups
MX-7990
250 entries, 5 contact groups
Call records
MX-7830
30 received, dialed and missed calls
MX-7990
20 received, dialed and missed calls
Other
MX-7830
No
MX-7990
No
Loudspeaker
MX-7830
No
MX-7990
No
Alert types
MX-7830
Vibration; Polyphonic ringtones
MX-7990
Vibration; Downloadable polyphonic ringtones
3.5mm jack
MX-7830
No
MX-7990
No
WLAN
MX-7830
No
MX-7990
No
Bluetooth
MX-7830
No
MX-7990
No
Positioning
MX-7830
No
MX-7990
No
Infrared port
MX-7830
Yes
MX-7990
-
Radio
MX-7830
No
MX-7990
No
USB
MX-7830
Proprietary
MX-7990
Proprietary
Sensors
MX-7830
MX-7990
Messaging
MX-7830
SMS, EMS
MX-7990
SMS, EMS, Email
Browser
MX-7830
WAP 1.2.1
MX-7990
WAP 1.2.1
Games
MX-7830
Yes
MX-7990
Downloadable
Java
MX-7830
No
MX-7990
No
Other
MX-7830
Predictive text input Sync ML Voice dial Optional digital camera Organizer
MX-7990
Predictive text input Sync ML
Type
MX-7830
Removable Li-Ion 900 mAh battery
MX-7990
Removable Li-Ion 900 mAh battery
Stand-by
MX-7830
Up to 200 h
MX-7990
Up to 200 h
Talk time
MX-7830
Up to 5 h
MX-7990
Up to 3 h
Colors
MX-7830
MX-7990