Screen size
K-JAM2.8"
PDA2Winner: 3.5"+20%
Quick verdict
K-JAM and PDA2 are close on the measured specs.
Measured wins
K-JAM
3
spec wins
Ties
5
equal specs
PDA2
3
spec wins
Screen size
Technology
K-JAM
GSM
PDA2
GSM
2G bands
K-JAM
GSM 850 / 900 / 1800 / 1900
PDA2
GSM 900 / 1800 / 1900
GPRS
K-JAM
Class 10
PDA2
Class 10
EDGE
K-JAM
Class 10
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
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
K-JAM
2005, September
PDA2
2004, Q4
Status
K-JAM
Discontinued
PDA2
Discontinued
Dimensions
K-JAM
108 x 58 x 23.7 mm (4.25 x 2.28 x 0.93 in)
PDA2
130 x 69 x 19 mm (5.12 x 2.72 x 0.75 in)
Weight
K-JAM
160 g (5.64 oz)
PDA2
190 g (6.70 oz)
Keyboard
K-JAM
QWERTY
PDA2
-
SIM
K-JAM
Mini-SIM
PDA2
Mini-SIM
Type
K-JAM
TFT resistive touchscreen, 65K colors
PDA2
TFT resistive touchscreen, 65K colors
Size
K-JAM
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
K-JAM
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
K-JAM
-
PDA2
Handwriting recognition
OS
K-JAM
Microsoft Windows Mobile 5.0 PocketPC
PDA2
Microsoft Windows Mobile 2003 SE PocketPC
Chipset
K-JAM
TI OMAP 850
PDA2
-
CPU
K-JAM
200 MHz ARM926EJ-S
PDA2
Intel XScale PXA272 520 MHz
Card slot
K-JAM
miniSD, up to 2 GB
PDA2
MMC/SDIO, up to 2 GB
Internal
K-JAM
64MB RAM, 128MB ROM
PDA2
128MB RAM, 64MB ROM
Single
K-JAM
1.3 MP
PDA2
1.3 MP
Features
K-JAM
LED flash
PDA2
-
Video
K-JAM
Yes
PDA2
Yes
Other
K-JAM
No
PDA2
No
Loudspeaker
K-JAM
Yes
PDA2
Yes
Alert types
K-JAM
Vibration; Downloadable polyphonic, MP3 ringtones
PDA2
Vibration; Downloadable polyphonic ringtones
3.5mm jack
K-JAM
No
PDA2
No
WLAN
K-JAM
Wi-Fi 802.11b/g
PDA2
Wi-Fi 802.11b
Bluetooth
K-JAM
2.0
PDA2
v.1.2
Positioning
K-JAM
No
PDA2
No
Infrared port
K-JAM
Yes
PDA2
Yes
Radio
K-JAM
No
PDA2
No
USB
K-JAM
miniUSB
PDA2
Proprietary
Sensors
K-JAM
PDA2
Browser
K-JAM
WAP 2.0/xHTML, HTML (PocketIE)
PDA2
WAP 2.0/xHTML, HTML (PocketIE)
Other
K-JAM
Microsoft ActiveSync Pocket Office MP3/AAC player
PDA2
Pocket Office MP3/MP4 player PDF, PPT viewer Voice memo
Type
K-JAM
Removable Li-Po 1250 mAh battery
PDA2
Removable Li-Ion 1300 mAh battery
Stand-by
K-JAM
Up to 200 h
PDA2
Up to 150 h
Talk time
K-JAM
Up to 5 h
PDA2
Up to 3 h 30 min
Colors
K-JAM
Stylish black
PDA2
Price
K-JAM
About 280 EUR
PDA2
-