Screen size
X4—
XM—
Quick verdict
XM leads the measured specs 2-0.
Measured wins
X4
0
spec wins
Ties
5
equal specs
XM
2
spec wins
Overall winner
Screen size
Technology
X4
GSM / UMTS
XM
GSM
2G bands
X4
GSM 900 / 1800
XM
GSM 900 / 1800 / 1900
3G bands
X4
UMTS 2100
XM
-
Speed
X4
Yes, 384 kbps
XM
-
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront 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
GPRS
X4
-
XM
Class 10
EDGE
X4
-
XM
No
Announced
X4
2004, Q4
XM
2005, Q2
Status
X4
Discontinued
XM
Discontinued
Dimensions
X4
89.9 x 45.1 x 24 mm (3.54 x 1.78 x 0.94 in)
XM
89 x 47 x 23.5 mm (3.50 x 1.85 x 0.93 in)
Weight
X4
116 g (4.09 oz)
XM
91 g (3.21 oz)
SIM
X4
Mini-SIM
XM
Mini-SIM
Type
X4
TFT, 256K colors
XM
TFT, 256K colors
Size
X4
XM
Resolution
X4
176 x 220 pixels
XM
176 x 220 pixels
Other
X4
Second external 4096 colors display Downloadable pictures
XM
Second external color display
Card slot
X4
miniSD, 32 MB included
XM
MMC/SDIO
Phonebook
X4
500 entries, Photo call
XM
250 entries, Photocall
Call records
X4
Yes
XM
Yes
Internal
X4
-
XM
13.8MB
Single
X4
1.3 MP
XM
1.3 MP
Features
X4
LED flash
XM
-
Video
X4
Yes
XM
Yes
Other
X4
No
XM
No
Loudspeaker
X4
No
XM
No
Alert types
X4
Vibration; Downloadable polyphonic, MP3 ringtones
XM
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
X4
No
XM
No
WLAN
X4
No
XM
No
Bluetooth
X4
No
XM
No
Positioning
X4
No
XM
No
Infrared port
X4
Yes
XM
-
Radio
X4
No
XM
No
USB
X4
Proprietary
XM
Sensors
X4
XM
Messaging
X4
SMS, MMS
XM
SMS, MMS
Browser
X4
WAP 2.0/xHTML
XM
WAP 2.0/xHTML
Games
X4
Yes + downloadable
XM
Yes
Java
X4
Yes, MIDP 2.0
XM
Yes, MIDP 2.0
Other
X4
MP3 player Predictive text input Organizer Stopwatch
XM
MP3 player Predictive text input
Type
X4
Removable Li-Ion battery
XM
Removable Li-Ion battery
Stand-by
X4
Up to 180 h
XM
Up to 200 h
Talk time
X4
Up to 3 h
XM
Up to 4 h
Colors
X4
XM