Screen size
JAMWinner: 2.8"+21%
SP4m2.2"
Quick verdict
JAM and SP4m are close on the measured specs.
Measured wins
JAM
3
spec wins
Ties
5
equal specs
SP4m
3
spec wins
Screen size
Technology
JAM
GSM
SP4m
GSM
2G bands
JAM
GSM 900 / 1800 / 1900
SP4m
GSM 900 / 1800 / 1900
GPRS
JAM
Class 10
SP4m
Class 10
EDGE
JAM
No
SP4m
No
Resolution
equal specsRefresh 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
Announced
JAM
2004, Q4
SP4m
2005, September
Status
JAM
Discontinued
SP4m
Discontinued
Dimensions
JAM
108 x 58 x 18 mm (4.25 x 2.28 x 0.71 in)
SP4m
109 x 48 x 19 mm (4.29 x 1.89 x 0.75 in)
Weight
JAM
150 g (5.29 oz)
SP4m
100 g (3.53 oz)
SIM
JAM
Mini-SIM
SP4m
Mini-SIM
Type
JAM
TFT resistive touchscreen, 65K colors
SP4m
TFT, 65K colors
Size
JAM
2.8 inches, 42 x 57 mm, 24.3 cm2 (~38.8% screen-to-body ratio)
SP4m
2.2 inches, 33 x 45 mm, 15.0 cm2 (~28.6% screen-to-body ratio)
Resolution
JAM
240 x 320 pixels, 4:3 ratio (~143 ppi density)
SP4m
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Other
JAM
Handwriting recognition
SP4m
-
OS
JAM
Microsoft Windows Mobile 2003 SE PocketPC
SP4m
Microsoft Windows Mobile 5.0 Smartphone
CPU
JAM
Intel PXA272 416 MHz
SP4m
200 MHz ARM926EJ-S
Chipset
JAM
-
SP4m
TI OMAP 850
Card slot
JAM
SDIO/MMC, up to 2 GB
SP4m
miniSD
Internal
JAM
64MB RAM
SP4m
64MB RAM, 64MB ROM
Single
JAM
1.3 MP
SP4m
1.3 MP
Video
JAM
Yes
SP4m
Yes
Other
JAM
No
SP4m
No
Loudspeaker
JAM
Yes
SP4m
Yes
Alert types
JAM
Vibration; Downloadable polyphonic ringtones
SP4m
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
JAM
No
SP4m
No
WLAN
JAM
No
SP4m
No
Bluetooth
JAM
Yes
SP4m
1.2
Positioning
JAM
No
SP4m
No
Infrared port
JAM
Yes
SP4m
Yes
Radio
JAM
No
SP4m
No
USB
JAM
Proprietary
SP4m
miniUSB
Sensors
JAM
SP4m
Browser
JAM
WAP 2.0/xHTML, HTML (PocketIE)
SP4m
WAP 2.0/xHTML, HTML (PocketIE)
Other
JAM
Pocket Office Voice memo MP3/AAC player Predictive text input
SP4m
Microsoft ActiveSync MP3/AAC player Predictive text input
Type
JAM
Removable Li-Ion 1200 mAh battery
SP4m
Removable Li-Po 1150 mAh battery
Stand-by
JAM
Up to 180 h
SP4m
Up to 150 h
Talk time
JAM
Up to 3 h 30 min
SP4m
Up to 3 h
Colors
JAM
Stylish black and silver
SP4m
Silver
Price
JAM
About 260 EUR
SP4m
About 130 EUR