Screen size
MX-6815—
MX-7830—
Quick verdict
MX-7830 leads the measured specs 4-0.
Measured wins
MX-6815
0
spec wins
Ties
3
equal specs
MX-7830
4
spec wins
Overall winner
Screen size
Technology
MX-6815
GSM
MX-7830
GSM
2G bands
MX-6815
GSM 900
MX-7830
GSM 900 / 1800
GPRS
MX-6815
No
MX-7830
Yes
EDGE
MX-6815
No
MX-7830
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-6815
1999
MX-7830
2003
Status
MX-6815
Discontinued
MX-7830
Discontinued
Dimensions
MX-6815
110 x 46 x 23 mm (4.33 x 1.81 x 0.91 in)
MX-7830
113 x 47 x 19 mm (4.45 x 1.85 x 0.75 in)
Weight
MX-6815
96 g (3.39 oz)
MX-7830
95 g (3.35 oz)
SIM
MX-6815
Mini-SIM
MX-7830
Mini-SIM
Type
MX-6815
Monochrome graphic
MX-7830
65K colors
Size
MX-6815
MX-7830
Resolution
MX-6815
4 x 12 chars
MX-7830
128 x 160 pixels, 11 lines
Other
MX-6815
Fixed icons
MX-7830
Second external display Wallpaper
Card slot
MX-6815
No
MX-7830
No
Phonebook
MX-6815
MX-7830
250 entries, 5 contact groups
Call records
MX-6815
20 dialed calls
MX-7830
30 received, dialed and missed calls
Other
MX-6815
No
MX-7830
No
Loudspeaker
MX-6815
No
MX-7830
No
Alert types
MX-6815
Monophonic ringtones
MX-7830
Vibration; Polyphonic ringtones
3.5mm jack
MX-6815
No
MX-7830
No
WLAN
MX-6815
No
MX-7830
No
Bluetooth
MX-6815
No
MX-7830
No
Positioning
MX-6815
No
MX-7830
No
Radio
MX-6815
No
MX-7830
No
USB
MX-6815
MX-7830
Proprietary
Infrared port
MX-6815
-
MX-7830
Yes
Sensors
MX-6815
MX-7830
Messaging
MX-6815
SMS
MX-7830
SMS, EMS
Browser
MX-6815
MX-7830
WAP 1.2.1
Clock
MX-6815
Yes
MX-7830
-
Alarm
MX-6815
Yes
MX-7830
-
Games
MX-6815
MX-7830
Yes
Java
MX-6815
No
MX-7830
No
Other
MX-6815
Predictive text input
MX-7830
Predictive text input Sync ML Voice dial Optional digital camera Organizer
Type
MX-6815
Removable NiMH 850 mAh battery
MX-7830
Removable Li-Ion 900 mAh battery
Stand-by
MX-6815
130 h
MX-7830
Up to 200 h
Talk time
MX-6815
3 h
MX-7830
Up to 5 h
Colors
MX-6815
MX-7830