Category Breakdown
O2 XDA IIi
O2 XDA Stellar
Performance
31.338.9
Camera
39.639.6
Display
9.59.5
Battery
12.313.6
Build
0.20.2
Connectivity
11.921.9
Audio
8.98.9
Overall
11.313.7
Summary
- The O2 XDA IIi features a larger 3.5-inch TFT resistive touchscreen with a resolution of 240 x 320 pixels, while the O2 XDA Stellar has a smaller 2.8-inch display but offers a higher pixel density at 143 ppi.
- In terms of performance, the XDA IIi is powered by a 520 MHz Intel Xscale CPU, compared to the 400 MHz ARM 11 in the XDA Stellar, which also includes an Adreno 130 GPU for improved graphics.
- The Stellar has a superior camera with 3.15 MP and autofocus, whereas the IIi has a 1.3 MP camera.
- Battery capacity is slightly higher in the Stellar at 1350 mAh versus 1200 mAh in the IIi.
- Both devices run on different versions of Windows Mobile, with the IIi using Windows Mobile 2003 SE and the Stellar using Windows Mobile 6.0 Professional, which may offer a more refined software experience.
Side-by-side Specification Comparison
O2 XDA IIi
O2 XDA Stellar
General
Release Date
2004
2007
Announced
2004
2007
Description
Produced by HTC. Functionally identical toQtek 2020i.
HTC Kaiser platform
Display
Size
3.5"
2.8"
Type
TFT resistive touchscreen, 65K colors
TFT resistive touchscreen, 65K colors
Resolution
240 x 320 pixels, 4:3 ratio (~114 ppi density)
240 x 320 pixels, 4:3 ratio (~143 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
Qualcomm MSM7200
CPU
Intel Xscale PXA272 520 MHz
400 MHz ARM 11
GPU
N/A
Adreno 130
Memory
128MB RAM, 96MB ROM
128MB RAM, 256MB ROM
Expandable Storage
✗
✗
Card Slot
MMC/SDIO
microSD
Camera
Main Camera
1.3 MP
3.15 MP, AF
Main Camera Features
N/A
N/A
Front Camera
N/A
VGA videocall camera
Front Camera Features
N/A
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1200 mAh
1350 mAh
Battery Details
Removable Li-Po 1200 mAh battery
Removable Li-Ion 1350 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
130 x 70 x 19 mm (5.12 x 2.76 x 0.75 in)
112 x 59 x 18.6 mm (4.41 x 2.32 x 0.73 in)
Weight
190 g
190 g
Materials
N/A
N/A
Colors
N/A
Silver
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM / HSPA
Network Speed
N/A
HSPA 3.6/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11b
Wi-Fi 802.11b/g
Bluetooth
Yes
2.0
NFC
✗
✗
USB
Proprietary
2.0
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
No
Software & Security
Operating System
Microsoft Windows Mobile 2003 SE PocketPC
Microsoft Windows Mobile 6.0 Professional
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

