O2
Side-by-side technical data
O2 XDA Zest 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 Zest, if you care about…
- Weight
- 102.5 g
- against 165 g
- Body Thickness
- 16.5 mm
- against 18.1 mm
O2 XDA Serra, if you care about…
- RAM Capacity
- 288 MB
- against 128 MB
- Maximum Storage Capacity
- 512 MB
- against 256 MB
- Usable Surface
- 46.7 %
- against 39.3 %
- Talk time
- 8 h
- against 5 h
Specification comparison
Battery
| Specification | XDA Zest | XDA Serra |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,300 mAh | 1,340 mAh Best value |
| 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 | 260 h | 406 h Best value |
| Music playback time | — | — |
Design
| Specification | XDA Zest | XDA Serra |
|---|---|---|
| Body Colors | Black | Black |
| Body Thickness | 16.5 mm Best value | 18.1 mm |
| Body Width | 60.5 mm | 51 mm |
| Body Height | 102 mm | 102 mm |
| Weight | 102.5 g Best value | 165 g |
| Usable Surface | 39.3 % | 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 |
Performance
| Specification | XDA Zest | XDA Serra |
|---|---|---|
| Processor Model | — | Qualcomm MSM7201A |
| Processor Process Size | — | — |
| Graphics GPU | — | Qualcomm Adreno 130 |
| Storage Type | — | — |
| Maximum CPU Clock | 0.624 GHz Best value | 0.528 GHz |
| Maximum Storage Capacity | 256 MB | 512 MB Best value |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | 624 MHz Marvell TavorP | 528 MHz ARM 11 |
| Processor Type | — | — |
| 64-Bit Processor | — | — |
| RAM Capacity | 128 MB | 288 MB Best value |
| RAM Type | — | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | XDA Zest | XDA Serra |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | XDA Zest | 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 | 480 px | 480 px |
| Display Vertical Resolution | 640 px | 640 px |
| Display Pixel Density | 286 ppi | 286 ppi |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | Resistive 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 Zest | XDA Serra |
|---|---|---|
| Sensor Features | — | Accelerometer |
Software
| Specification | XDA Zest | XDA Serra |
|---|---|---|
| Operating System | Windows Mobile 6.1 | Windows Mobile 6.1 |
| OS Family | Windows Mobile | Windows Mobile |
| OS Version | 6.1 | 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 Zest | XDA Serra |
|---|---|---|
| SIM Configurations | Single Mini-SIM | Mini-SIM |
| Cellular Bands | 2G GSM 900, 2G GSM 1800, 2G GSM 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 | A2DP |
| Navigation Systems | GPS, A-GPS | GPS, A-GPS |
| Connectivity Features | MP3 Player, miniUSB | MP3 Player, MP4/3GP Player, FM Radio, miniUSB |
| USB Version | miniUSB | miniUSB |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
Audio
| Specification | XDA Zest | XDA Serra |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | Loudspeaker | A2DP, Loudspeaker |
| Alert types | — | — |
Technical
| Specification | XDA Zest | XDA Serra |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | XDA Zest | XDA Serra |
|---|---|---|
| Built-in functions | Handwriting recognition, Voice memo, MP3 player, Predictive text input | Handwriting recognition, MP3 player, Audio/video player, Voice memo, Predictive text input |
