Allview Viper E vs O2 XDA Zest
Compare recorded specifications, size and practical differences.
O2 XDA Zest
Replace
+ Add a third phone
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
XDA Zest: 20 g lighter
- Viper E:
- 122.5 g
- XDA Zest:
- 102.5 g
-
Width
XDA Zest: 4.5 mm narrower
- Viper E:
- 65 mm
- XDA Zest:
- 60.5 mm
-
Screen diagonal
XDA Zest: 1.7 in smaller diagonal
- Viper E:
- 4.5 in
- XDA Zest:
- 2.8 in
-
Depth
Viper E: 8.7 mm thinner
- Viper E:
- 7.8 mm
- XDA Zest:
- 16.5 mm
-
Height
XDA Zest: 29 mm shorter
- Viper E:
- 131 mm
- XDA Zest:
- 102 mm
-
Release year
- Viper E:
- 2014
- XDA Zest:
- 2008
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. Viper E
- Height:
- 131 mm +29 mm versus XDA Zest
- Width:
- 65 mm +4.5 mm versus XDA Zest
- Depth:
- 7.8 mm
2. XDA Zest
- Height:
- 102 mm
- Width:
- 60.5 mm
- Depth:
- 16.5 mm +8.7 mm versus Viper E
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. Viper E
- Screen diagonal:
- 4.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 55.8 cm²
2. XDA Zest
- Screen diagonal:
- 2.8 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 24.3 cm²
Viper E has approximately 129.9% more rectangular screen area than XDA Zest.
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 | Viper E | XDA Zest |
|---|---|---|
| 8 GB | 1 GB RAM | Unknown |
XDA Zest: Original memory entry
128 MB RAM · 256 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. Viper E
- NFC:
- See details Super AMOLED
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB (dedicated slot)
2. XDA Zest
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details microSD · up to 16 GB (dedicated slot)
Battery capacity
Capacity is not battery life. No endurance test is implied.
Recorded battery capacity
Bars start at zero and share a scale within this chart.
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 | Viper E | XDA Zest |
|---|---|---|
| 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 |
|
Unknown |
| NFC |
|
Unknown |
| Headphone jack |
|
|
Display
| Specification | Viper E | XDA Zest |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
| Screen protection |
|
Unknown |
Camera and Video
| Specification | Viper E | XDA Zest |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
Unknown |
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
| Specification | Viper E | XDA Zest |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
Unknown |
General specs
| Specification | Viper E | XDA Zest |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Battery life |
|
|
Communication and Connectivity
| Specification | Viper E | XDA Zest |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | Viper E | XDA Zest |
|---|---|---|
| Radio |
|
|
| Others |
|
|
Other features
| Specification | Viper E | XDA Zest |
|---|---|---|
| Dop |
|
|


