Celkon 2GB Xpress vs O2 XDA Terra
Compare recorded specifications, size and practical differences.
O2 XDA Terra
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Key differences
Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.
-
Weight
2GB Xpress: 34 g lighter
- 2GB Xpress:
- 134 g
- XDA Terra:
- 168 g
-
Width
XDA Terra: 7.5 mm narrower
- 2GB Xpress:
- 66.5 mm
- XDA Terra:
- 59 mm
-
Screen diagonal
XDA Terra: 1.8 in smaller diagonal
- 2GB Xpress:
- 4.5 in
- XDA Terra:
- 2.7 in
-
Chipset
- 2GB Xpress:
- Spreadtrum 7731
- XDA Terra:
- TI OMAP 850
-
Depth
2GB Xpress: 6.9 mm thinner
- 2GB Xpress:
- 10.1 mm
- XDA Terra:
- 17 mm
-
Height
XDA Terra: 24.5 mm shorter
- 2GB Xpress:
- 133.5 mm
- XDA Terra:
- 109 mm
Physical size
Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.
1. 2GB Xpress
- Height:
- 133.5 mm +24.5 mm versus XDA Terra
- Width:
- 66.5 mm +7.5 mm versus XDA Terra
- Depth:
- 10.1 mm
2. XDA Terra
- Height:
- 109 mm
- Width:
- 59 mm
- Depth:
- 17 mm +6.9 mm versus 2GB Xpress
Weight
Bars start at zero and share a scale within this chart.
Screen size
Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.
1. 2GB Xpress
- Screen diagonal:
- 4.5 in
- Aspect ratio (height:width):
- 5:3
- Approximate rectangular screen area:
- 57.6 cm²
2. XDA Terra
- Screen diagonal:
- 2.7 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 22.6 cm²
2GB Xpress has approximately 155.3% more rectangular screen area than XDA Terra.
Memory variants
Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.
| Storage | 2GB Xpress | XDA Terra |
|---|---|---|
| 16 GB | 2 GB RAM | Unknown |
XDA Terra: Original memory entry
64 MB RAM · 128 MB ROM
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. 2GB Xpress
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB
2. XDA Terra
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details microSD (dedicated slot)
Battery capacity
Capacity is not battery life. No endurance test is implied.
At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.
Specifications
Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.
Everyday essentials
| Specification | 2GB Xpress | XDA Terra |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology |
|
|
| Screen size |
|
|
| Screen resolution |
|
|
| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
|
| Memory card support |
|
|
| Battery Capacity is not battery life. No endurance test is implied. |
|
|
| Operating system OS |
|
|
| Chipset |
|
|
| Headphone jack |
|
|
Display
| Specification | 2GB Xpress | XDA Terra |
|---|---|---|
| Touchscreen |
|
|
| Display colors | Unknown |
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | 2GB Xpress | XDA Terra |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
Unknown |
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
Unknown |
Performance
| Specification | 2GB Xpress | XDA Terra |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
Unknown |
General specs
| Specification | 2GB Xpress | XDA Terra |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Battery life | Unknown |
|
Communication and Connectivity
| Specification | 2GB Xpress | XDA Terra |
|---|---|---|
| SIM card |
|
|
| Network |
|
Unknown |
| Speed |
|
Unknown |
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
Music and Audio
| Specification | 2GB Xpress | XDA Terra |
|---|---|---|
| Radio |
|
|
| Others | Unknown |
|
Other features
| Specification | 2GB Xpress | XDA Terra |
|---|---|---|
| Dop |
|
|