Screen size
m21i—
M320—
Quick verdict
m21i leads the measured specs 1-0.
Measured wins
m21i
1
spec wins
Overall winner
Ties
6
equal specs
M320
0
spec wins
Screen size
Technology
m21i
GSM
M320
GSM
2G bands
m21i
GSM 900 / 1800
M320
GSM 900 / 1800
GPRS
m21i
Class 8
M320
Class 8
EDGE
m21i
No
M320
No
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
equal specsThickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Announced
m21i
2003
M320
2002, Q4
Status
m21i
Discontinued
M320
Discontinued
Dimensions
m21i
115 x 47 x 19 mm, 85 cc (4.53 x 1.85 x 0.75 in)
M320
116 x 47 x 20 mm (4.57 x 1.85 x 0.79 in)
Weight
m21i
95 g (3.35 oz)
M320
95 g (3.35 oz)
SIM
m21i
Mini-SIM
M320
Mini-SIM
Type
m21i
CSTN, 4096 colors
M320
CSTN, 4096 colors
Size
m21i
M320
Resolution
m21i
128 x 141 pixels
M320
128 x 141 pixels
Other
m21i
Downloadable wallpapers Customizable softkeys
M320
Downloadable wallpapers Customizable softkeys
Card slot
m21i
No
M320
No
Phonebook
m21i
255 x 6 fields, Photo call
M320
255 x 6 fields
Call records
m21i
M320
Other
m21i
150 SMS messages SMS templates Detailed call logs
M320
20 voice dial records 150 SMS messages SMS templates Detailed call logs
Other
m21i
No
M320
No
Loudspeaker
m21i
Yes
M320
Yes
Alert types
m21i
Vibration; Downloadable polyphonic ringtones, composer
M320
Vibration; Downloadable polyphonic ringtones, composer
3.5mm jack
m21i
No
M320
No
Other
m21i
Polyphonic ringtones (SMF, MFi 3.0, MFi 3.0 with ADPCM)
M320
-
WLAN
m21i
No
M320
No
Bluetooth
m21i
No
M320
No
Positioning
m21i
No
M320
No
Infrared port
m21i
Yes
M320
Yes
Radio
m21i
No
M320
No
USB
m21i
M320
Sensors
m21i
M320
Messaging
m21i
SMS, Email (melody attachments)
M320
SMS
Browser
m21i
iMode
M320
WAP 1.2.1 color image viewer (GIF, PNG, JPG)
Clock
m21i
Yes
M320
Yes
Alarm
m21i
Yes
M320
Yes
Games
m21i
2 - Rayman Bowling and Rayman Garden
M320
Yes
Java
m21i
No
M320
No
Other
m21i
Business card exchange via IrDA Predictive text input Organizer
M320
Business card exchange via IrDA Voice dial Voice memo Predictive text input Organizer Customizable front panel
Type
m21i
Removable Li-Ion 900 mAh battery
M320
Removable Li-Ion 900 mAh battery
Stand-by
m21i
Up to 350 h
M320
Up to 350 h
Talk time
m21i
Up to 4 h
M320
Up to 4 h
Colors
m21i
3 - Quartz gold ; Frozen silver ;Marine blue
M320
3 - Quartz gold ; Frozen silver ;Marine blue