alcatel Idol 2 Mini vs Samsung Galaxy A31
Compare recorded specifications, size and practical differences.
Samsung Galaxy A31
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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.
-
Display technology
OLED versus LCD
- Idol 2 Mini:
- LCD
- Galaxy A31:
- OLED
-
Weight
Idol 2 Mini: 75 g lighter
- Idol 2 Mini:
- 110 g
- Galaxy A31:
- 185 g
-
Width
Idol 2 Mini: 9.6 mm narrower
- Idol 2 Mini:
- 63.5 mm
- Galaxy A31:
- 73.1 mm
-
Screen diagonal
Idol 2 Mini: 1.9 in smaller diagonal
- Idol 2 Mini:
- 4.5 in
- Galaxy A31:
- 6.4 in
-
Rear camera layout
- Idol 2 Mini:
- Single
- Galaxy A31:
- Quad
-
Depth
Idol 2 Mini: 0.7 mm thinner
- Idol 2 Mini:
- 7.9 mm
- Galaxy A31:
- 8.6 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. Idol 2 Mini
- Height:
- 129 mm
- Width:
- 63.5 mm
- Depth:
- 7.9 mm
2. Galaxy A31
- Height:
- 159.3 mm +30.3 mm versus Idol 2 Mini
- Width:
- 73.1 mm +9.6 mm versus Idol 2 Mini
- Depth:
- 8.6 mm +0.7 mm versus Idol 2 Mini
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. Idol 2 Mini
- Screen diagonal:
- 4.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 55.8 cm²
2. Galaxy A31
- Screen diagonal:
- 6.4 in
- Aspect ratio (height:width):
- 20:9
- Approximate rectangular screen area:
- 98.9 cm²
Galaxy A31 has approximately 77.1% more rectangular screen area than Idol 2 Mini.
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 | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| 64 GB | Unknown | 4 GB RAM |
| 128 GB | Unknown | 4 / 6 GB RAM Alternative RAM configurations |
Idol 2 Mini: Original memory entry
4 GB · 1 GB RAM (Single SIM)/ 8 GB · 1 GB RAM (Dual SIM)
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. Idol 2 Mini
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB (dedicated slot) - single-SIM model
2. Galaxy A31
- NFC:
- See details Yes (market/region dependent)
- Headphone jack:
- Yes
- Memory card support:
- See details microSDXC (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.
1. Idol 2 Mini2. Galaxy A31
Everyday essentials
| Specification | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| 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 |
|
|
| NFC | Unknown |
|
| Headphone jack |
|
|
Display
| Specification | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
| Screen protection |
|
Unknown |
Camera and Video
| Specification | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| Processor CPU |
|
|
| Antutu 7 score * |
|
Unknown |
General specs
| Specification | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
Unknown |
| Battery life |
|
Unknown |
Communication and Connectivity
| Specification | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
|
Music and Audio
| Specification | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| Radio |
|
Unknown |
| Others |
|
Unknown |
Other features
| Specification | Idol 2 Mini | Galaxy A31 |
|---|---|---|
| Dop |
|
|
