Screen size
Duo2.2"
Link IIWinner: 2.4"+8.3%
Quick verdict
Link II leads the measured specs 5-4.
Measured wins
Duo
4
spec wins
Ties
3
equal specs
Link II
5
spec wins
Overall winner
Screen size
Technology
Duo
GSM / HSPA
Link II
GSM / HSPA
2G bands
Duo
GSM 850 / 900 / 1800 / 1900
Link II
GSM 850 / 900 / 1800 / 1900
3G bands
Duo
HSDPA 850 / 1900
Link II
HSDPA 850 / 1900
Speed
Duo
HSPA
Link II
Resolution
equal specsRefresh 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
SD card
equal specsStereo speakers
HSPA
Announced
Duo
2007, October. Released 2007, October
Link II
2011, October. Released 2011, October
Status
Duo
Discontinued
Link II
Discontinued
Dimensions
Duo
102 x 50 x 19.9 mm (4.02 x 1.97 x 0.78 in)
Link II
114 x 61 x 10 mm (4.49 x 2.40 x 0.39 in)
Weight
Duo
110 g (3.88 oz)
Link II
94 g (3.32 oz)
Keyboard
Duo
QWERTY
Link II
QWERTY
SIM
Duo
Mini-SIM
Link II
Mini-SIM
Other
Duo
Dual slide design
Link II
-
Type
Duo
TFT, 256K colors
Link II
TFT, 256K colors
Size
Duo
2.2 inches, 15.0 cm2 (~29.4% screen-to-body ratio)
Link II
2.4 inches, 17.8 cm2 (~25.7% screen-to-body ratio)
Resolution
Duo
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Link II
320 x 240 pixels, 4:3 ratio (~167 ppi density)
OS
Duo
Windows Mobile 6 Standard
Link II
-
CPU
Duo
Marvell PXA270 416 MHz
Link II
-
Card slot
Duo
microSD (dedicated slot)
Link II
microSDHC (dedicated slot)
Internal
Duo
64MB RAM, 128MB ROM
Link II
200MB
Phonebook
Duo
-
Link II
1000 entries, Photocall
Call records
Duo
-
Link II
Yes
Single
Duo
1.3 MP
Link II
2 MP
Video
Duo
No
Link II
Yes
Other
Duo
No
Link II
No
Loudspeaker
Duo
Yes
Link II
Yes
Alert types
Duo
Vibration; Downloadable polyphonic, MP3, WMA, WAV ringtones
Link II
-
3.5mm jack
Duo
Yes
Link II
No
WLAN
Duo
No
Link II
No
Bluetooth
Duo
1.2, A2DP
Link II
2.1, A2DP
Positioning
Duo
No
Link II
GPS, A-GPS
Radio
Duo
No
Link II
No
USB
Duo
1.1
Link II
2.0
Sensors
Duo
Link II
Browser
Duo
WAP 2.0/xHTML, HTML (PocketIE)
Link II
-
Other
Duo
Pocket Office Voice memo MP3/AAC/AAC+/WMA/OGG/AMR player WMV/MP4 player File manager
Link II
MP3/WAV/eAAC+/WMA player MP4/H.263/WMV player Organizer Voice memo Predictive text input
Messaging
Duo
-
Link II
SMS, MMS, Email, IM
Games
Duo
-
Link II
Yes
Java
Duo
-
Link II
Yes
Type
Duo
Removable Li-Po 1320 mAh battery
Link II
Removable Li-Ion 1000 mAh battery
Stand-by
Duo
Up to 240 h
Link II
Up to 250 h
Talk time
Duo
Up to 3 h
Link II
Up to 3 h
Colors
Duo
Black
Link II
Black
Price
Duo
About 110 EUR
Link II
-