Allview V4 Viper Pro vs Spice Stellar 509 (Mi-509)
Compare recorded specifications, size and practical differences.
Spice Stellar 509 (Mi-509)
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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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Weight
Stellar 509 (Mi-509): 71.6 g lighter
- V4 Viper Pro:
- 191.6 g
- Stellar 509 (Mi-509):
- 120 g
-
Width
Stellar 509 (Mi-509): 3 mm narrower
- V4 Viper Pro:
- 82 mm
- Stellar 509 (Mi-509):
- 79 mm
-
Screen diagonal
Stellar 509 (Mi-509): 1.8 in smaller diagonal
- V4 Viper Pro:
- 6.8 in
- Stellar 509 (Mi-509):
- 5 in
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Chipset
- V4 Viper Pro:
- Mediatek MT6739 (28 nm)
- Stellar 509 (Mi-509):
- Mediatek MT6582M (28 nm)
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Depth
V4 Viper Pro: 0.7 mm thinner
- V4 Viper Pro:
- 8.8 mm
- Stellar 509 (Mi-509):
- 9.5 mm
-
Height
Stellar 509 (Mi-509): 26 mm shorter
- V4 Viper Pro:
- 171 mm
- Stellar 509 (Mi-509):
- 145 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. V4 Viper Pro
- Height:
- 171 mm +26 mm versus Stellar 509 (Mi-509)
- Width:
- 82 mm +3 mm versus Stellar 509 (Mi-509)
- Depth:
- 8.8 mm
2. Stellar 509 (Mi-509)
- Height:
- 145 mm
- Width:
- 79 mm
- Depth:
- 9.5 mm +0.7 mm versus V4 Viper Pro
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. V4 Viper Pro
- Screen diagonal:
- 6.8 in
- Aspect ratio (height:width):
- 19:9
- Approximate rectangular screen area:
- 115.4 cm²
2. Stellar 509 (Mi-509)
- Screen diagonal:
- 5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 68.9 cm²
V4 Viper Pro has approximately 67.5% more rectangular screen area than Stellar 509 (Mi-509).
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 | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| 4 GB | Not recorded | 1 GB RAM |
| 32 GB | 2 GB RAM | Not recorded |
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. V4 Viper Pro
- NFC:
- See details Super AMOLED
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 128 GB (uses shared SIM slot)
2. Stellar 509 (Mi-509)
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 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 | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| 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 | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| 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 | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| 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
| Specification | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| Processor CPU |
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| Graphics processor GPU |
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General specs
| Specification | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| Release date |
|
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| Colors |
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| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
Unknown |
| Battery life | Unknown |
|
Communication and Connectivity
| Specification | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| 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 | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| Radio |
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Other features
| Specification | V4 Viper Pro | Stellar 509 (Mi-509) |
|---|---|---|
| Dop |
|
|