Screen size
M350—
M520—
Quick verdict
M350 leads the measured specs 3-1.
Measured wins
M350
3
spec wins
Overall winner
Ties
3
equal specs
M520
1
spec wins
Screen size
Technology
M350
GSM
M520
GSM
2G bands
M350
GSM 900 / 1800
M520
GSM 900 / 1800
GPRS
M350
Class 8
M520
Class 10
EDGE
M350
No
M520
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
M350
2004, Q2
M520
2004, Q4
Status
M350
Discontinued
M520
Discontinued
Dimensions
M350
107 x 47 x 20 mm, 85 cc (4.21 x 1.85 x 0.79 in)
M520
76 x 43 x 22 mm (2.99 x 1.69 x 0.87 in)
Weight
M350
99 g (3.49 oz)
M520
75 g (2.65 oz)
SIM
M350
Mini-SIM
M520
Mini-SIM
Type
M350
TFT, 256K colors
M520
CSTN, 65K colors
Size
M350
M520
Resolution
M350
128 x 160 pixels, 7 lines
M520
128 x 128 pixels, 1:1 ratio
Other
M350
Downloadable logos
M520
Second external CSTN display (96 x 64 pixels), 65K colors Downloadable pictures
Card slot
M350
No
M520
No
Phonebook
M350
255 x 6 fields
M520
500 entries, Photo call
Call records
M350
10 dialed, 10 received, 10 missed calls
M520
10 dialed, 10 received, 10 missed calls
Internal
M350
5MB
M520
3MB
Single
M350
VGA
M520
VGA
Video
M350
No
M520
Yes
Other
M350
No
M520
No
Loudspeaker
M350
Yes
M520
No
Alert types
M350
Vibration; Downloadable polyphonic ringtones
M520
Vibration; Downloadable polyphonic ringtones
3.5mm jack
M350
No
M520
No
WLAN
M350
No
M520
No
Bluetooth
M350
No
M520
No
Positioning
M350
No
M520
No
Infrared port
M350
Yes
M520
-
Radio
M350
No
M520
No
USB
M350
M520
Sensors
M350
M520
Messaging
M350
SMS, MMS, EMail
M520
SMS, MMS
Browser
M350
WAP 1.2.1
M520
WAP 1.2.1
Games
M350
2
M520
5 + downloadable
Java
M350
Yes
M520
Yes, MIDP 1.0
Other
M350
Predictive text input Voice dial/memo Organizer Photo editor
M520
Predictive text input Organizer World Time
Type
M350
Removable Li-Ion 900 mAh battery
M520
Removable Li-Ion 680 mAh battery
Stand-by
M350
-
M520
Up to 120 h
Talk time
M350
-
M520
Up to 2 h
Colors
M350
Metallic Silver
M520
Crystal Silver and Sapphire Blue