Screen size
X1b—
X3—
Quick verdict
X3 leads the measured specs 3-2.
Measured wins
X1b
2
spec wins
Ties
2
equal specs
X3
3
spec wins
Overall winner
Screen size
Technology
X1b
GSM
X3
GSM
2G bands
X1b
GSM 900 / 1800 / 1900
X3
GSM 900 / 1800 / 1900
GPRS
X1b
Yes
X3
Class 10
EDGE
X1b
No
X3
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
Stereo speakers
Announced
X1b
2005, Q2
X3
2004,1 Q
Status
X1b
Discontinued
X3
Discontinued
Dimensions
X1b
102 x 44 x 18 mm (4.02 x 1.73 x 0.71 in)
X3
81 x 42 x 26 mm (3.19 x 1.65 x 1.02 in)
Weight
X1b
86 g (3.03 oz)
X3
96 g (3.39 oz)
SIM
X1b
Mini-SIM
X3
Mini-SIM
Type
X1b
TFT, 65K colors
X3
TFT, 256K colors
Size
X1b
X3
Resolution
X1b
128 x 128 pixels, 1:1 ratio
X3
128 x 160 pixels
Other
X1b
5-way navigation key
X3
Second external 4096 colors display Downloadable pictures
Card slot
X1b
No
X3
miniSD, 32 MB included
Phonebook
X1b
Yes
X3
500
Call records
X1b
Yes
X3
Yes
Internal
X1b
16MB
X3
3MB
Single
X1b
CIF
X3
1.3 MP
Video
X1b
No
X3
Yes
Features
X1b
-
X3
LED flash
Other
X1b
No
X3
No
Loudspeaker
X1b
Yes
X3
No
Alert types
X1b
Vibration; Downloadable polyphonic ringtones
X3
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
X1b
No
X3
No
WLAN
X1b
No
X3
No
Bluetooth
X1b
Yes
X3
No
Positioning
X1b
No
X3
No
Radio
X1b
No
X3
No
USB
X1b
X3
Proprietary
Infrared port
X1b
-
X3
Yes
Sensors
X1b
X3
Messaging
X1b
SMS, EMS, MMS
X3
SMS, MMS
Browser
X1b
WAP 2.0/xHTML
X3
WAP 2.0/xHTML, HTML
Games
X1b
Yes
X3
Yes + downloadable
Java
X1b
No
X3
Yes, MIDP 2.0
Other
X1b
Predictive text input Organizer
X3
MP3/MP4 player Predictive text input Organizer Stopwatch
Type
X1b
Removable Li-Ion battery
X3
Removable Li-Ion battery
Stand-by
X1b
Up to 200 h
X3
Up to 150 h
Talk time
X1b
Up to 3 h
X3
Up to 3 h
Colors
X1b
X3
Silver