Allview V4 Viper Pro vs Lava Iris 503
Compare recorded specifications, size and practical differences.
Lava Iris 503
Replace
+ Add a third phone
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 503: 16.6 g lighter
- V4 Viper Pro:
- 191.6 g
- Iris 503:
- 175 g
-
Width
Iris 503: 8.7 mm narrower
- V4 Viper Pro:
- 82 mm
- Iris 503:
- 73.3 mm
-
Screen diagonal
Iris 503: 1.8 in smaller diagonal
- V4 Viper Pro:
- 6.8 in
- Iris 503:
- 5 in
-
Depth
V4 Viper Pro: 1.7 mm thinner
- V4 Viper Pro:
- 8.8 mm
- Iris 503:
- 10.5 mm
-
Height
Iris 503: 27.8 mm shorter
- V4 Viper Pro:
- 171 mm
- Iris 503:
- 143.2 mm
-
Release year
- V4 Viper Pro:
- 2020
- Iris 503:
- 2013
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 +27.8 mm versus Iris 503
- Width:
- 82 mm +8.7 mm versus Iris 503
- Depth:
- 8.8 mm
2. Iris 503
- Height:
- 143.2 mm
- Width:
- 73.3 mm
- Depth:
- 10.5 mm +1.7 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. Iris 503
- 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 Iris 503.
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 | Iris 503 |
|---|---|---|
| 32 GB | 2 GB RAM | Unknown |
Iris 503: Original memory entry
4 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. 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. Iris 503
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 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.
1. V4 Viper Pro2. Iris 503
Everyday essentials
| Specification | V4 Viper Pro | Iris 503 |
|---|---|---|
| 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 | V4 Viper Pro | Iris 503 |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | V4 Viper Pro | Iris 503 |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
| Specification | V4 Viper Pro | Iris 503 |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
|
General specs
| Specification | V4 Viper Pro | Iris 503 |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
|
Communication and Connectivity
| Specification | V4 Viper Pro | Iris 503 |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | V4 Viper Pro | Iris 503 |
|---|---|---|
| Radio |
|
|
Other features
| Specification | V4 Viper Pro | Iris 503 |
|---|---|---|
| Dop |
|
|
