Oppo R817 Real 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.
-
Width
R817 Real: 3 mm narrower
- R817 Real:
- 63 mm
- s4009 Crystal:
- 66 mm
-
Chipset
- R817 Real:
- Mediatek MT6577 (40 nm)
- s4009 Crystal:
- Mediatek MT6570 (28 nm)
-
Depth
R817 Real: 1 mm thinner
- R817 Real:
- 9.7 mm
- s4009 Crystal:
- 10.7 mm
-
Height
R817 Real: 4 mm shorter
- R817 Real:
- 123 mm
- s4009 Crystal:
- 127 mm
-
Release year
- R817 Real:
- 2012
- 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. R817 Real
- Height:
- 123 mm
- Width:
- 63 mm
- Depth:
- 9.7 mm
- Weight:
- 125 g
2. s4009 Crystal
- Height:
- 127 mm +4 mm versus R817 Real
- Width:
- 66 mm +3 mm versus R817 Real
- Depth:
- 10.7 mm +1 mm versus R817 Real
- 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. R817 Real
- Screen diagonal:
- 4 in
- Aspect ratio (height:width):
- 5:3
- Approximate rectangular screen area:
- 45.5 cm²
2. s4009 Crystal
- Screen diagonal:
- 4 in
- Aspect ratio (height:width):
- 5:3
- Approximate rectangular screen area:
- 45.5 cm²
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 | R817 Real | s4009 Crystal |
|---|---|---|
| 4 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. R817 Real
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB (dedicated 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 | R817 Real | s4009 Crystal |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
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| Technology |
|
|
| Screen size |
|
|
| Screen resolution |
|
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| 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 |
|
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| Chipset |
|
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| Headphone jack |
|
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Display
| Specification | R817 Real | s4009 Crystal |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
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| Screen area |
|
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| Screen format |
|
|
| Screen to body ratio |
|
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| PPI /points per inch/ |
|
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Camera and Video
| Specification | R817 Real | 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 | R817 Real | s4009 Crystal |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
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| Antutu 7 score * | Unknown |
|
General specs
| Specification | R817 Real | s4009 Crystal |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
Unknown |
| Battery life |
|
|
Communication and Connectivity
| Specification | R817 Real | s4009 Crystal |
|---|---|---|
| SIM card |
|
|
| 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 | Unknown |
|
Music and Audio
| Specification | R817 Real | s4009 Crystal |
|---|---|---|
| Radio |
|
|
Other features
| Specification | R817 Real | s4009 Crystal |
|---|---|---|
| Dop |
|
|