Category Breakdown
O2 Xphone II
Siemens SX1
Performance
26.415.6
Camera
39.639.6
Display
20.326.8
Battery
1.610.3
Build
0.20.2
Connectivity
8.52.9
Audio
8.90.0
Overall
11.110.8
Summary
- The O2 Xphone II and Siemens SX1 both feature a 2.2-inch display with a resolution of 176 x 220 pixels, but the O2 model uses a TFT display while the Siemens employs a TFD type.
- In terms of performance, the O2 Xphone II is equipped with a faster TI OMAP 730 chipset and a CPU running at 200 MHz, compared to the 120 MHz ARM9 in the Siemens SX1.
- Both devices have a VGA rear camera with no optical image stabilization and lack front-facing cameras.
- The O2 Xphone II has a smaller battery capacity, while the Siemens SX1 offers a 1000 mAh battery, which may provide better longevity.
- Software-wise, the O2 runs on Microsoft Smartphone 2003 SE OS, whereas the Siemens operates on Symbian 6.1, which may offer a different user experience.
- Build quality is comparable, with the O2 being slightly lighter and more compact than the Siemens.
Side-by-side Specification Comparison
O2 Xphone II
Siemens SX1
General
Release Date
2004
2003
Announced
2004
2003
Description
Produced by HTC. Functionally identical toQtek 8020,i-mate SP3iand T-Mobile SDA.
N/A
Display
Size
2.2"
2.2"
Type
TFT, 65K colors
TFD, 65K colors
Resolution
176 x 220 pixels (~128 ppi density)
176 x 220 pixels (~128 ppi density)
PPI
176
176
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
TI OMAP 730
TI OMAP 310
CPU
200 MHz ARM926EJ-S
120 MHz ARM9
GPU
N/A
N/A
Memory
32MB
16MB
Expandable Storage
✗
✗
Card Slot
miniSD, 64 MB included
MMC
Camera
Main Camera
VGA
VGA
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
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
N/A
1000 mAh
Battery Details
Removable Li-Ion battery
Removable Li-Ion 1000 mAh battery (EBA-540)
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
107 x 44 x 18 mm (4.21 x 1.73 x 0.71 in)
109 x 56 x 19 mm, 110 cc (4.29 x 2.20 x 0.75 in)
Weight
102 g
116 g
Materials
N/A
N/A
Colors
N/A
Ice blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
Yes
1.1
NFC
✗
✗
USB
Proprietary
Proprietary
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
No
Audio Jack
No
No
Software & Security
Operating System
Microsoft Smartphone 2003 SE OS
Symbian 6.1, Series 60 v1.0 UI
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

