Screen size
X1b—
X2—
Quick verdict
X1b leads the measured specs 2-0.
Measured wins
X1b
2
spec wins
Overall winner
Ties
4
equal specs
X2
0
spec wins
Screen size
Technology
X1b
GSM
X2
GSM
2G bands
X1b
GSM 900 / 1800 / 1900
X2
GSM 900 / 1800 / 1900
GPRS
X1b
Yes
X2
Class 10
EDGE
X1b
No
X2
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
X1b
2005, Q2
X2
2004,1 Q
Status
X1b
Discontinued
X2
Discontinued
Dimensions
X1b
102 x 44 x 18 mm (4.02 x 1.73 x 0.71 in)
X2
81 x 44 x 21 mm (3.19 x 1.73 x 0.83 in)
Weight
X1b
86 g (3.03 oz)
X2
89 g (3.14 oz)
SIM
X1b
Mini-SIM
X2
Mini-SIM
Type
X1b
TFT, 65K colors
X2
TFT, 65K colors
Size
X1b
X2
Resolution
X1b
128 x 128 pixels, 1:1 ratio
X2
128 x 128 pixels, 1:1 ratio
Other
X1b
5-way navigation key
X2
Second external OLED display
Card slot
X1b
No
X2
No
Phonebook
X1b
Yes
X2
Yes
Call records
X1b
Yes
X2
Yes
Internal
X1b
16MB
X2
1MB
Single
X1b
CIF
X2
VGA
Video
X1b
No
X2
No
Other
X1b
No
X2
No
Loudspeaker
X1b
Yes
X2
No
Alert types
X1b
Vibration; Downloadable polyphonic ringtones
X2
Vibration; Downloadable polyphonic ringtones
3.5mm jack
X1b
No
X2
No
WLAN
X1b
No
X2
No
Bluetooth
X1b
Yes
X2
No
Positioning
X1b
No
X2
No
Radio
X1b
No
X2
No
USB
X1b
X2
Proprietary
Sensors
X1b
X2
Messaging
X1b
SMS, EMS, MMS
X2
SMS, MMS
Browser
X1b
WAP 2.0/xHTML
X2
WAP 2.0/xHTML
Games
X1b
Yes
X2
Yes + downloadable
Java
X1b
No
X2
Yes
Other
X1b
Predictive text input Organizer
X2
Predictive text input Organizer
Type
X1b
Removable Li-Ion battery
X2
Removable Li-Ion battery
Stand-by
X1b
Up to 200 h
X2
Up to 170 h
Talk time
X1b
Up to 3 h
X2
Up to 3 h 30 min
Colors
X1b
X2
Silver