Acer beTouch E400 vs O2 XDA Zest
Compare recorded specifications, size and practical differences.
O2 XDA Zest
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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
XDA Zest: 22.5 g lighter
- beTouch E400:
- 125 g
- XDA Zest:
- 102.5 g
-
Width
beTouch E400: 1.2 mm narrower
- beTouch E400:
- 59.3 mm
- XDA Zest:
- 60.5 mm
-
Screen diagonal
XDA Zest: 0.4 in smaller diagonal
- beTouch E400:
- 3.2 in
- XDA Zest:
- 2.8 in
-
Depth
beTouch E400: 4.5 mm thinner
- beTouch E400:
- 12 mm
- XDA Zest:
- 16.5 mm
-
Height
XDA Zest: 13 mm shorter
- beTouch E400:
- 115 mm
- XDA Zest:
- 102 mm
-
Release year
- beTouch E400:
- 2010
- 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. beTouch E400
- Height:
- 115 mm +13 mm versus XDA Zest
- Width:
- 59.3 mm
- Depth:
- 12 mm
2. XDA Zest
- Height:
- 102 mm
- Width:
- 60.5 mm +1.2 mm versus beTouch E400
- Depth:
- 16.5 mm +4.5 mm versus beTouch E400
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. beTouch E400
- Screen diagonal:
- 3.2 in
- Aspect ratio (height:width):
- 3:2
- Approximate rectangular screen area:
- 30.5 cm²
2. XDA Zest
- Screen diagonal:
- 2.8 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 24.3 cm²
beTouch E400 has approximately 25.6% 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.
No unambiguous storage/RAM pairings are recorded. See the original specifications below.
beTouch E400: Original memory entry
256 MB RAM · 512 MB RAM - Liquid M2208 GB
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. beTouch E400
- NFC:
- See details Super AMOLED
- Headphone jack:
- Yes
- Memory card support:
- See details microSD (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 | beTouch E400 | 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 | beTouch E400 | XDA Zest |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | beTouch E400 | XDA Zest |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
| Specification | beTouch E400 | XDA Zest |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
Unknown |
General specs
| Specification | beTouch E400 | XDA Zest |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
Unknown |
| Battery life |
|
|
Communication and Connectivity
| Specification | beTouch E400 | XDA Zest |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
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| Bluetooth |
|
|
Music and Audio
| Specification | beTouch E400 | XDA Zest |
|---|---|---|
| Radio |
|
|
| Others |
|
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Other features
| Specification | beTouch E400 | XDA Zest |
|---|---|---|
| Dop |
|
|


