Allview A10 Plus vs verykool s4009 Crystal
Compare recorded specifications, size and practical differences.
verykool s4009 Crystal
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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.
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Width
s4009 Crystal: 5.8 mm narrower
- A10 Plus:
- 71.8 mm
- s4009 Crystal:
- 66 mm
-
Screen diagonal
s4009 Crystal: 1.34 in smaller diagonal
- A10 Plus:
- 5.34 in
- s4009 Crystal:
- 4 in
-
Chipset
- A10 Plus:
- Mediatek MT6580 (28 nm)
- s4009 Crystal:
- Mediatek MT6570 (28 nm)
-
Depth
A10 Plus: 1.1 mm thinner
- A10 Plus:
- 9.6 mm
- s4009 Crystal:
- 10.7 mm
-
Height
s4009 Crystal: 24 mm shorter
- A10 Plus:
- 151 mm
- s4009 Crystal:
- 127 mm
-
Release year
- A10 Plus:
- 2018
- s4009 Crystal:
- 2017
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. A10 Plus
- Height:
- 151 mm +24 mm versus s4009 Crystal
- Width:
- 71.8 mm +5.8 mm versus s4009 Crystal
- Depth:
- 9.6 mm
- Weight:
- 150 g
2. s4009 Crystal
- Height:
- 127 mm
- Width:
- 66 mm
- Depth:
- 10.7 mm +1.1 mm versus A10 Plus
- Weight:
- Unknown
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. A10 Plus
- Screen diagonal:
- 5.34 in
- Aspect ratio (height:width):
- 18:9
- Approximate rectangular screen area:
- 73.6 cm²
2. s4009 Crystal
- Screen diagonal:
- 4 in
- Aspect ratio (height:width):
- 5:3
- Approximate rectangular screen area:
- 45.5 cm²
A10 Plus has approximately 61.6% more rectangular screen area than s4009 Crystal.
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 | A10 Plus | s4009 Crystal |
|---|---|---|
| 8 GB | 1 GB RAM | Unknown |
s4009 Crystal: Original memory entry
8 GB · 512 MB RAM
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. A10 Plus
- NFC:
- See details Super AMOLED
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 128 GB (uses shared SIM slot)
2. s4009 Crystal
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 64 GB
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 | A10 Plus | s4009 Crystal |
|---|---|---|
| Dimensions (HxWxD) |
|
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| Weight |
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| Technology |
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| Screen size |
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| Screen resolution |
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| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
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| Memory card support |
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| Battery Capacity is not battery life. No endurance test is implied. |
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| Operating system OS |
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| Chipset |
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| NFC |
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Unknown |
| Headphone jack |
|
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Display
| Specification | A10 Plus | s4009 Crystal |
|---|---|---|
| Touchscreen |
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| Display colors |
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| Screen area |
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| Screen format |
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| Screen to body ratio |
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| PPI /points per inch/ |
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Camera and Video
| Specification | A10 Plus | s4009 Crystal |
|---|---|---|
| Rear camera, main |
|
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| Camera specs |
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| Functions |
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| Video |
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| Front camera, selfie |
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| Specifications |
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Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | A10 Plus | s4009 Crystal |
|---|---|---|
| Processor CPU |
|
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| Graphics processor GPU |
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| Antutu 7 score * |
|
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General specs
| Specification | A10 Plus | s4009 Crystal |
|---|---|---|
| Release date |
|
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| Colors |
|
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| Battery life | Unknown |
|
Communication and Connectivity
| Specification | A10 Plus | s4009 Crystal |
|---|---|---|
| SIM card |
|
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| Network |
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| Speed |
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| GPRS |
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| Edge |
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| Wi-Fi |
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| GPS |
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| USB |
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| Bluetooth |
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| Harmful irradiation |
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Music and Audio
| Specification | A10 Plus | s4009 Crystal |
|---|---|---|
| Radio |
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Other features
| Specification | A10 Plus | s4009 Crystal |
|---|---|---|
| Dop |
|
|