O2
Side-by-side technical data
O2 XDA Stellar vs O2 XDA Serra
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
O2 XDA Serra, if you care about…
- Maximum Storage Capacity
- 512 MB
- against 256 MB
- Display Pixel Density
- 286 ppi
- against 143 ppi
- Weight
- 165 g
- against 190 g
- Usable Surface
- 46.7 %
- against 36.7 %
Specification comparison
Battery
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,350 mAh Best value | 1,340 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | — |
| Battery Features | — | — |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 5 h | 8 h Best value |
| Standby time | 365 h | 406 h Best value |
| Music playback time | — | — |
Design
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Body Colors | Silver | Black |
| Body Thickness | 18.6 mm | 18.1 mm Best value |
| Body Width | 59 mm | 51 mm |
| Body Height | 112 mm | 102 mm |
| Weight | 190 g | 165 g Best value |
| Usable Surface | 36.7 % | 46.7 % Best value |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | Yes | Yes |
Performance
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Processor Model | Qualcomm MSM7200 | Qualcomm MSM7201A |
| Processor Process Size | — | — |
| Graphics GPU | Qualcomm Adreno 130 | Qualcomm Adreno 130 |
| Storage Type | — | — |
| Maximum CPU Clock | 0.4 GHz | 0.528 GHz Best value |
| Maximum Storage Capacity | 256 MB | 512 MB Best value |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | 400 MHz ARM 11 | 528 MHz ARM 11 |
| Processor Type | — | — |
| 64-Bit Processor | — | — |
| RAM Capacity | — | 288 MB |
| RAM Type | — | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Display Aspect Ratio | 4:3 | 4:3 |
| Peak Display Brightness | — | — |
| Display Technology | TFT LCD | TFT LCD |
| Display Diagonal | 2.8″ | 2.8″ |
| Display Horizontal Resolution | 240 px | 480 px Best value |
| Display Vertical Resolution | 320 px | 640 px Best value |
| Display Pixel Density | 143 ppi | 286 ppi Best value |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | Resistive Touchscreen, Touchscreen | Touchscreen |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | 65K colors | 65K colors |
Sensor
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Sensor Features | — | Accelerometer |
Software
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Operating System | Windows Mobile 6.0 | Windows Mobile 6.1 |
| OS Family | Windows Mobile | Windows Mobile |
| OS Version | — | 6.1 |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | WAP 2.0/xHTML, HTML | WAP 2.0/xHTML, HTML |
| Java (J2ME) | — | — |
Connectivity
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| SIM Configurations | Mini-SIM | Mini-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS 1900, 3G UMTS 2100 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 2100 |
| Cellular Technologies | GSM, HSPA | GSM, HSPA |
| Wi-Fi Standards | Wi-Fi 802.11b/g | Wi-Fi 802.11b/g |
| Wi-Fi Features | Wi-Fi 802.11b/g | Wi-Fi 802.11b/g |
| Bluetooth Version | Bluetooth 2.0 | Bluetooth 2.0 |
| Bluetooth Profiles | — | A2DP |
| Navigation Systems | GPS, A-GPS | GPS, A-GPS |
| Connectivity Features | USB 2.0 | MP3 Player, MP4/3GP Player, FM Radio, miniUSB |
| USB Version | USB 2.0 | miniUSB |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
Audio
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | Loudspeaker | A2DP, Loudspeaker |
| Alert types | Vibration, Polyphonic ringtones, MP3 ringtones, Downloadable ringtones | — |
Technical
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | XDA Stellar | XDA Serra |
|---|---|---|
| Built-in functions | Handwriting recognition, Voice memo, Audio/video player, Document viewer | Handwriting recognition, MP3 player, Audio/video player, Voice memo, Predictive text input |
