Screen size
m21i—
M750—
Quick verdict
m21i leads the measured specs 3-1.
Measured wins
m21i
3
spec wins
Overall winner
Ties
3
equal specs
M750
1
spec wins
Screen size
Technology
m21i
GSM
M750
GSM
2G bands
m21i
GSM 900 / 1800
M750
GSM 900 / 1800
GPRS
m21i
Class 8
M750
Class 8
EDGE
m21i
No
M750
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
m21i
2003
M750
2003, Q4
Status
m21i
Discontinued
M750
Discontinued
Dimensions
m21i
115 x 47 x 19 mm, 85 cc (4.53 x 1.85 x 0.75 in)
M750
96 x 47 x 24 mm, 88 cc (3.78 x 1.85 x 0.94 in)
Weight
m21i
95 g (3.35 oz)
M750
102 g (3.60 oz)
SIM
m21i
Mini-SIM
M750
Mini-SIM
Type
m21i
CSTN, 4096 colors
M750
TFT, 256K colors
Size
m21i
M750
Resolution
m21i
128 x 141 pixels
M750
128 x 160 pixels
Other
m21i
Downloadable wallpapers Customizable softkeys
M750
Second external STN display (62 x 80 pixels), 4096 colors Downloadable logos
Card slot
m21i
No
M750
No
Phonebook
m21i
255 x 6 fields, Photo call
M750
255 x 6 fields
Call records
m21i
M750
10 dialed, 10 received, 10 missed calls
Other
m21i
150 SMS messages SMS templates Detailed call logs
M750
-
Internal
m21i
-
M750
5MB
Other
m21i
No
M750
-
Loudspeaker
m21i
Yes
M750
Yes
Alert types
m21i
Vibration; Downloadable polyphonic ringtones, composer
M750
Vibration; Downloadable polyphonic ringtones
3.5mm jack
m21i
No
M750
No
Other
m21i
Polyphonic ringtones (SMF, MFi 3.0, MFi 3.0 with ADPCM)
M750
-
WLAN
m21i
No
M750
No
Bluetooth
m21i
No
M750
No
Positioning
m21i
No
M750
No
Infrared port
m21i
Yes
M750
Yes
Radio
m21i
No
M750
No
USB
m21i
M750
Sensors
m21i
M750
Messaging
m21i
SMS, Email (melody attachments)
M750
SMS, MMS, Email
Browser
m21i
iMode
M750
WAP 1.2.1
Clock
m21i
Yes
M750
-
Alarm
m21i
Yes
M750
-
Games
m21i
2 - Rayman Bowling and Rayman Garden
M750
Yes - Demo Mox + downloadable
Java
m21i
No
M750
Yes
Other
m21i
Business card exchange via IrDA Predictive text input Organizer
M750
Predictive text input Voice dial/memo Organizer Photo editor
Languages
m21i
-
M750
English, French, German, Italian, Spanish, Dutch
Type
m21i
Removable Li-Ion 900 mAh battery
M750
Removable Li-Ion battery
Stand-by
m21i
Up to 350 h
M750
Up to 250 h
Talk time
m21i
Up to 4 h
M750
Up to 5h
Colors
m21i
3 - Quartz gold ; Frozen silver ;Marine blue
M750
Single
m21i
-
M750
VGA
Video
m21i
-
M750
No
Other
m21i
-
M750
No