Screen size
JAM BlackWinner: 2.8"+21%
SP4m2.2"
Quick verdict
JAM Black leads the measured specs 3-2.
Measured wins
JAM Black
3
spec wins
Overall winner
Ties
6
equal specs
SP4m
2
spec wins
Screen size
Technology
JAM Black
GSM
SP4m
GSM
2G bands
JAM Black
GSM 900 / 1800 / 1900
SP4m
GSM 900 / 1800 / 1900
GPRS
JAM Black
Class 10
SP4m
Class 10
EDGE
JAM Black
No
SP4m
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
equal specsUSB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
JAM Black
2005, Q3
SP4m
2005, September
Status
JAM Black
Discontinued
SP4m
Discontinued
Dimensions
JAM Black
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 Black
160 g (5.64 oz)
SP4m
100 g (3.53 oz)
SIM
JAM Black
Mini-SIM
SP4m
Mini-SIM
Type
JAM Black
TFT resistive touchscreen, 65K colors
SP4m
TFT, 65K colors
Size
JAM Black
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 Black
240 x 320 pixels, 2.8 inches, 4:3 ratio (~143 ppi density)
SP4m
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Other
JAM Black
Handwriting recognition
SP4m
-
OS
JAM Black
Microsoft Windows Mobile 2003 SE PocketPC
SP4m
Microsoft Windows Mobile 5.0 Smartphone
CPU
JAM Black
Intel Bulverde 416 MHz
SP4m
200 MHz ARM926EJ-S
Chipset
JAM Black
-
SP4m
TI OMAP 850
Card slot
JAM Black
SDIO/MMC
SP4m
miniSD
Internal
JAM Black
128MB RAM, 64MB ROM
SP4m
64MB RAM, 64MB ROM
Single
JAM Black
1.3 MP
SP4m
1.3 MP
Video
JAM Black
Yes
SP4m
Yes
Other
JAM Black
No
SP4m
No
Loudspeaker
JAM Black
Yes
SP4m
Yes
Alert types
JAM Black
Vibration; Downloadable polyphonic ringtones
SP4m
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
JAM Black
No
SP4m
No
WLAN
JAM Black
No
SP4m
No
Bluetooth
JAM Black
1.2
SP4m
1.2
Positioning
JAM Black
No
SP4m
No
Infrared port
JAM Black
Yes
SP4m
Yes
Radio
JAM Black
No
SP4m
No
USB
JAM Black
Proprietary
SP4m
miniUSB
Sensors
JAM Black
SP4m
Browser
JAM Black
WAP 2.0/xHTML, HTML (PocketIE)
SP4m
WAP 2.0/xHTML, HTML (PocketIE)
Other
JAM Black
Pocket Office Voice memo MP3/AAC player Predictive text input
SP4m
Microsoft ActiveSync MP3/AAC player Predictive text input
Type
JAM Black
Removable Li-Po 1200 mAh battery
SP4m
Removable Li-Po 1150 mAh battery
Stand-by
JAM Black
-
SP4m
Up to 150 h
Talk time
JAM Black
-
SP4m
Up to 3 h
Colors
JAM Black
Stylish black
SP4m
Silver
Price
JAM Black
About 270 EUR
SP4m
About 130 EUR