Category Breakdown
Asus P550
O2 XDA Stellar
Performance
64.061.8
Camera
41.941.9
Display
53.453.4
Battery
43.543.5
Build
68.868.8
Overall
53.753.1
Summary
- The Asus P550 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 with the same resolution but a higher pixel density.
- In terms of performance, the P550 is equipped with a 520 MHz Marvell CPU and 256MB of RAM, outperforming the 400 MHz Qualcomm CPU and 128MB RAM of the XDA Stellar.
- The camera on the O2 XDA Stellar is superior with a 3.15 MP rear camera compared to the 2 MP of the P550.
- Battery capacity is slightly higher in the P550 at 1530 mAh versus the XDA Stellar's 1350 mAh.
- Both devices run on Microsoft Windows Mobile 6.0 Professional, offering a similar software experience, but the P550 has a more robust connectivity option with USB 1.1 compared to the XDA Stellar's USB 2.0.
- Overall, the P550 offers better performance and battery life, while the XDA Stellar has a better camera.
Side-by-side Specification Comparison
Asus P550
O2 XDA Stellar
General
Release Date
2008
2007
Announced
2007
2007
Description
N/A
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
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
Qualcomm MSM7200
CPU
Marvell PXA270M 520 MHz
400 MHz ARM 11
GPU
N/A
Adreno 130
Memory
256MB 64MB RAM
128MB RAM, 256MB ROM
Expandable Storage
✗
✗
Card Slot
miniSD, miniSDHC
microSD
Camera
Main Camera
2 MP
3.15 MP
Main Camera Details
2 MP
3.15 MP, AF
Front Camera
N/A
N/A
Front Camera Details
N/A
VGA videocall camera
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
1530 mAh
1350 mAh
Battery Details
Removable Li-Ion 1530 mAh battery
Removable Li-Ion 1350 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
121 x 70 x 16.5 mm (4.76 x 2.76 x 0.65 in)
112 x 59 x 18.6 mm (4.41 x 2.32 x 0.73 in)
Weight
188 g
190 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Silver
Silver
Foldable
✗
✗
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / UMTS
GSM / HSPA
Network Speed
Yes, 384 kbps
HSPA 3.6/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g
Wi-Fi 802.11b/g
Bluetooth
2.0
2.0
NFC
✗
✗
USB
1.1
2.0
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS, SiRF Star III chipset
GPS, A-GPS
Software
Operating System
Microsoft Windows Mobile 6.0 Professional
Microsoft Windows Mobile 6.0 Professional
OS Version
Microsoft Windows Mobile 6.0 Professional
Microsoft Windows Mobile 6.0 Professional
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A
Audio
Stereo Speakers
✗
✗
Loudspeaker
No
Yes
Audio Jack
No
No

