Screen size
M75Winner: 1.9"
ST55—
Quick verdict
M75 leads the measured specs 7-1.
Measured wins
M75
7
spec wins
Overall winner
Ties
3
equal specs
ST55
1
spec wins
Screen size
Technology
M75
GSM
ST55
GSM
2G bands
M75
GSM 900 / 1800 / 1900
ST55
GSM 900 / 1800
GPRS
M75
Class 10
ST55
Class 10
EDGE
M75
No
ST55
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
Stereo speakers
Announced
M75
2005, Q1
ST55
2003, Q3
Status
M75
Discontinued
ST55
Discontinued
Dimensions
M75
110.5 x 51.5 x 20.8 mm, 104 cc (4.35 x 2.03 x 0.82 in)
ST55
99 x 47 x 22 mm (3.90 x 1.85 x 0.87 in)
Weight
M75
110 g (3.88 oz)
ST55
87 g (3.07 oz)
SIM
M75
Mini-SIM
ST55
Mini-SIM
Other
M75
Dust, shock and splash resistant Metal frame
ST55
-
Type
M75
TFT, 256K colors
ST55
TFT, 65K colors
Size
M75
1.9 inches, 28 x 38 mm, 11.2 cm2 (~19.6% screen-to-body ratio)
ST55
Resolution
M75
132 x 176 pixels, 4:3 ratio (~116 ppi density)
ST55
120 x 160 pixels, 7 lines, 4:3 ratio
Other
M75
-
ST55
5-way navi key
Card slot
M75
RS-MMC, 32 MB included
ST55
No
Phonebook
M75
1000 x 20 fields, Photo call
ST55
255 x 15 entries
Call records
M75
10 dialed, 10 received, 10 missed calls
ST55
10 dialed, 20 received, 20 missed calls
Internal
M75
14MB
ST55
-
Other
M75
-
ST55
1.2 MB for photos 1.3 MB for MMS 1.1 MB for email messages 100 short messages
Single
M75
1.3 MP
ST55
VGA
Video
M75
Yes
ST55
No
Other
M75
No
ST55
No
Loudspeaker
M75
No
ST55
Yes
Alert types
M75
Vibration; Downloadable polyphonic, MP3, AAC ringtones
ST55
Vibration; Downloadable polyphonic ringtones
3.5mm jack
M75
No
ST55
No
WLAN
M75
No
ST55
No
Bluetooth
M75
1.2
ST55
No
Positioning
M75
No
ST55
No
Infrared port
M75
Yes
ST55
-
Radio
M75
No
ST55
No
USB
M75
Proprietary
ST55
Sensors
M75
ST55
Messaging
M75
SMS, MMS, EMail
ST55
SMS, EMS, MMS, Email
Browser
M75
WAP 2.0/xHTML
ST55
WAP 2.0/xHTML
Games
M75
Yes + downloadable
ST55
3 - Wacko, Toggle, Tetris + Java
Java
M75
Yes, MIDP 2.0
ST55
No
Other
M75
MP3/AAC player Video player Organizer Voice memo Predictive text input
ST55
Predictive text input Organizer User profiles SyncML
Clock
M75
-
ST55
Yes
Alarm
M75
-
ST55
Yes
Type
M75
Removable Li-Ion 750 mAh battery
ST55
Removable Li-Ion 750 mAh battery (EBA-595)
Stand-by
M75
Up to 250 h
ST55
Up to 140 h
Talk time
M75
Up to 5 h
ST55
Up to 4 h 30 min
Colors
M75
Safari Green, Volcano Black
ST55