Screen size
equal specsXDA Orbit II2.8"
XDA Serra2.8"
Quick verdict
XDA Orbit II leads the measured specs 3-2.
Measured wins
XDA Orbit II
3
spec wins
Overall winner
Ties
6
equal specs
XDA Serra
2
spec wins
Screen size
equal specsTechnology
XDA Orbit II
GSM / HSPA
XDA Serra
GSM / HSPA
2G bands
XDA Orbit II
GSM 850 / 900 / 1800 / 1900
XDA Serra
GSM 850 / 900 / 1800 / 1900
3G bands
XDA Orbit II
HSDPA 2100 , HSDPA 850 / 1900
XDA Serra
HSDPA 2100
Speed
XDA Orbit II
HSPA 3.6/0.384 Mbps
Resolution
Refresh 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
XDA Serra
HSPA 7.2/0.384 Mbps
Announced
XDA Orbit II
2007, November. Released 2008, February
XDA Serra
2008, July. Released 2008, September
Status
XDA Orbit II
Discontinued
XDA Serra
Discontinued
Dimensions
XDA Orbit II
110 x 58 x 15.5 mm (4.33 x 2.28 x 0.61 in)
XDA Serra
102 x 51 x 18.1 mm (4.02 x 2.01 x 0.71 in)
Weight
XDA Orbit II
130 g (4.59 oz)
XDA Serra
165 g (5.82 oz)
SIM
XDA Orbit II
Mini-SIM
XDA Serra
Mini-SIM
Keyboard
XDA Orbit II
-
XDA Serra
QWERTY
Type
XDA Orbit II
TFT resistive touchscreen, 65K colors
XDA Serra
TFT resistive touchscreen, 65K colors
Size
XDA Orbit II
2.8 inches, 24.3 cm2 (~38.1% screen-to-body ratio)
XDA Serra
2.8 inches, 24.3 cm2 (~46.7% screen-to-body ratio)
Resolution
XDA Orbit II
240 x 320 pixels, 4:3 ratio (~143 ppi density)
XDA Serra
480 x 640 pixels, 4:3 ratio (~286 ppi density)
Other
XDA Orbit II
TouchFLO finger swipe navigation Handwriting recognition 4-way navigation wheel
XDA Serra
Handwriting recognition
OS
XDA Orbit II
Microsoft Windows Mobile 6.0 Professional
XDA Serra
Microsoft Windows Mobile 6.1 Professional
Chipset
XDA Orbit II
Qualcomm MSM7200
XDA Serra
Qualcomm MSM7201A
CPU
XDA Orbit II
400 MHz ARM 11
XDA Serra
528 MHz ARM 11
GPU
XDA Orbit II
Adreno 130
XDA Serra
Adreno 130
Card slot
XDA Orbit II
microSD (dedicated slot), SD 2.0 compatible
XDA Serra
microSD (dedicated slot)
Internal
XDA Orbit II
128MB RAM, 256MB ROM
XDA Serra
288MB RAM, 512MB ROM
Single
XDA Orbit II
3.15 MP, AF
XDA Serra
3.15 MP, AF
Video
XDA Orbit II
Yes
XDA Serra
Yes
Features
XDA Orbit II
-
XDA Serra
LED flash
Single
XDA Orbit II
VGA
XDA Serra
VGA videocall camera
Video
XDA Orbit II
XDA Serra
Loudspeaker
XDA Orbit II
Yes
XDA Serra
Yes
Alert types
XDA Orbit II
Vibration; Downloadable polyphonic, MP3, AAC ringtones
XDA Serra
-
3.5mm jack
XDA Orbit II
No
XDA Serra
No
WLAN
XDA Orbit II
Wi-Fi 802.11b/g
XDA Serra
Wi-Fi 802.11 b/g
Bluetooth
XDA Orbit II
2.0, A2DP
XDA Serra
2.0, A2DP
Positioning
XDA Orbit II
GPS, CoPilot Live Navigator
XDA Serra
GPS, A-GPS
Radio
XDA Orbit II
FM radio
XDA Serra
Stereo FM radio, RDS
USB
XDA Orbit II
miniUSB
XDA Serra
miniUSB
Sensors
XDA Orbit II
XDA Serra
Accelerometer
Browser
XDA Orbit II
WAP 2.0/xHTML, HTML (PocketIE)
XDA Serra
WAP 2.0/xHTML, HTML
Other
XDA Orbit II
Pocket Office Voice memo MP3/AAC/AAC+/WMA/WAV/AMR-NB player Predictive text input
XDA Serra
MP3/WAV/WMA player MP4/WMV/3gp player Pocket Office Voice memo Predictive text input
Type
XDA Orbit II
Removable Li-Ion 1350 mAh battery
XDA Serra
Removable Li-Ion 1340 mAh battery
Stand-by
XDA Orbit II
Up to 400 h (2G) / Up to 450 h (3G)
XDA Serra
Up to 406 h
Talk time
XDA Orbit II
Up to 7 h (2G) / Up to 4 h (3G)
XDA Serra
Up to 8 h
Colors
XDA Orbit II
Black
XDA Serra
Black
SAR EU
XDA Orbit II
1.72 W/kg (head)
XDA Serra
-