Lava Iris Alfa vs Vertu Signature Touch
Compare recorded specifications, size and practical differences.
Vertu Signature Touch
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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
Iris Alfa: 34 g lighter
- Iris Alfa:
- 158 g
- Signature Touch:
- 192 g
-
Width
Signature Touch: 2.4 mm narrower
- Iris Alfa:
- 71.4 mm
- Signature Touch:
- 69 mm
-
Screen diagonal
Signature Touch: 0.3 in smaller diagonal
- Iris Alfa:
- 5 in
- Signature Touch:
- 4.7 in
-
Chipset
- Iris Alfa:
- Spreadtrum 7731
- Signature Touch:
- Qualcomm Snapdragon 801 (28 nm)
-
Depth
Iris Alfa: 1.4 mm thinner
- Iris Alfa:
- 9.3 mm
- Signature Touch:
- 10.7 mm
-
Height
Iris Alfa: 4 mm shorter
- Iris Alfa:
- 141 mm
- Signature Touch:
- 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. Iris Alfa
- Height:
- 141 mm
- Width:
- 71.4 mm +2.4 mm versus Signature Touch
- Depth:
- 9.3 mm
2. Signature Touch
- Height:
- 145 mm +4 mm versus Iris Alfa
- Width:
- 69 mm
- Depth:
- 10.7 mm +1.4 mm versus Iris Alfa
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. Iris Alfa
- Screen diagonal:
- 5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 68.9 cm²
2. Signature Touch
- Screen diagonal:
- 4.7 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 60.9 cm²
Iris Alfa has approximately 13.2% more rectangular screen area than Signature Touch.
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 | Iris Alfa | Signature Touch |
|---|---|---|
| 8 GB | 1 GB RAM | Not recorded |
| 64 GB | Not recorded | 2 GB 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. Iris Alfa
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB
2. Signature Touch
- NFC:
- Yes
- Headphone jack:
- Yes
- Memory card support:
- No
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 | Iris Alfa | Signature Touch |
|---|---|---|
| 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 |
|
|
| NFC | Unknown |
|
| Headphone jack |
|
|
Display
| Specification | Iris Alfa | Signature Touch |
|---|---|---|
| Touchscreen |
|
|
| Display colors | Unknown |
|
| Screen area |
|
|
| Screen format |
|
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| Screen to body ratio |
|
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| PPI /points per inch/ |
|
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| Screen protection | Unknown |
|
Camera and Video
| Specification | Iris Alfa | Signature Touch |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
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| Functions |
|
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| Video |
|
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| Front camera, selfie |
|
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| Specifications |
|
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
General specs
| Specification | Iris Alfa | Signature Touch |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
| Battery life |
|
|
Communication and Connectivity
| Specification | Iris Alfa | Signature Touch |
|---|---|---|
| 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 | Iris Alfa | Signature Touch |
|---|---|---|
| Radio |
|
|
| Others | Unknown |
|
Other features
| Specification | Iris Alfa | Signature Touch |
|---|---|---|
| Dop |
|
|



