Screen size
JAM Black2.8"
PDA2Winner: 3.5"+20%
Quick verdict
JAM Black leads the measured specs 3-2.
Measured wins
JAM Black
3
spec wins
Overall winner
Ties
6
equal specs
PDA2
2
spec wins
Screen size
Technology
JAM Black
GSM
PDA2
GSM
2G bands
JAM Black
GSM 900 / 1800 / 1900
PDA2
GSM 900 / 1800 / 1900
GPRS
JAM Black
Class 10
PDA2
Class 10
EDGE
JAM Black
No
PDA2
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
PDA2
2004, Q4
Status
JAM Black
Discontinued
PDA2
Discontinued
Dimensions
JAM Black
108 x 58 x 18 mm (4.25 x 2.28 x 0.71 in)
PDA2
130 x 69 x 19 mm (5.12 x 2.72 x 0.75 in)
Weight
JAM Black
160 g (5.64 oz)
PDA2
190 g (6.70 oz)
SIM
JAM Black
Mini-SIM
PDA2
Mini-SIM
Type
JAM Black
TFT resistive touchscreen, 65K colors
PDA2
TFT resistive touchscreen, 65K colors
Size
JAM Black
2.8 inches, 42 x 57 mm, 24.3 cm2 (~38.8% screen-to-body ratio)
PDA2
3.5 inches, 53 x 71 mm, 37.9 cm2 (~42.3% screen-to-body ratio)
Resolution
JAM Black
240 x 320 pixels, 2.8 inches, 4:3 ratio (~143 ppi density)
PDA2
240 x 320 pixels, 3.5 inches, 4:3 ratio (~114 ppi density)
Other
JAM Black
Handwriting recognition
PDA2
Handwriting recognition
OS
JAM Black
Microsoft Windows Mobile 2003 SE PocketPC
PDA2
Microsoft Windows Mobile 2003 SE PocketPC
CPU
JAM Black
Intel Bulverde 416 MHz
PDA2
Intel XScale PXA272 520 MHz
Card slot
JAM Black
SDIO/MMC
PDA2
MMC/SDIO, up to 2 GB
Internal
JAM Black
128MB RAM, 64MB ROM
PDA2
128MB RAM, 64MB ROM
Single
JAM Black
1.3 MP
PDA2
1.3 MP
Video
JAM Black
Yes
PDA2
Yes
Other
JAM Black
No
PDA2
No
Loudspeaker
JAM Black
Yes
PDA2
Yes
Alert types
JAM Black
Vibration; Downloadable polyphonic ringtones
PDA2
Vibration; Downloadable polyphonic ringtones
3.5mm jack
JAM Black
No
PDA2
No
WLAN
JAM Black
No
PDA2
Wi-Fi 802.11b
Bluetooth
JAM Black
1.2
PDA2
v.1.2
Positioning
JAM Black
No
PDA2
No
Infrared port
JAM Black
Yes
PDA2
Yes
Radio
JAM Black
No
PDA2
No
USB
JAM Black
Proprietary
PDA2
Proprietary
Sensors
JAM Black
PDA2
Browser
JAM Black
WAP 2.0/xHTML, HTML (PocketIE)
PDA2
WAP 2.0/xHTML, HTML (PocketIE)
Other
JAM Black
Pocket Office Voice memo MP3/AAC player Predictive text input
PDA2
Pocket Office MP3/MP4 player PDF, PPT viewer Voice memo
Type
JAM Black
Removable Li-Po 1200 mAh battery
PDA2
Removable Li-Ion 1300 mAh battery
Stand-by
JAM Black
-
PDA2
Up to 150 h
Talk time
JAM Black
-
PDA2
Up to 3 h 30 min
Colors
JAM Black
Stylish black
PDA2
Price
JAM Black
About 270 EUR
PDA2
-