O2 XDA Exec 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.
-
Weight
Galaxy A31: 100 g lighter
- XDA Exec:
- 285 g
- Galaxy A31:
- 185 g
-
Width
Galaxy A31: 7.9 mm narrower
- XDA Exec:
- 81 mm
- Galaxy A31:
- 73.1 mm
-
Screen diagonal
XDA Exec: 2.8 in smaller diagonal
- XDA Exec:
- 3.6 in
- Galaxy A31:
- 6.4 in
-
Rear camera layout
- XDA Exec:
- Single
- Galaxy A31:
- Quad
-
Depth
Galaxy A31: 16.4 mm thinner
- XDA Exec:
- 25 mm
- Galaxy A31:
- 8.6 mm
-
Height
XDA Exec: 32.3 mm shorter
- XDA Exec:
- 127 mm
- Galaxy A31:
- 159.3 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. XDA Exec
- Height:
- 127 mm
- Width:
- 81 mm +7.9 mm versus Galaxy A31
- Depth:
- 25 mm +16.4 mm versus Galaxy A31
2. Galaxy A31
- Height:
- 159.3 mm +32.3 mm versus XDA Exec
- Width:
- 73.1 mm
- Depth:
- 8.6 mm
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. XDA Exec
- Screen diagonal:
- 3.6 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 40.1 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 146.4% more rectangular screen area than XDA Exec.
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 | XDA Exec | Galaxy A31 |
|---|---|---|
| 64 GB | Unknown | 4 GB RAM |
| 128 GB | Unknown | 4 / 6 GB RAM Alternative RAM configurations |
XDA Exec: Original memory entry
64 MB RAM · 128 MB ROM
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. XDA Exec
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details SDIO/MMC
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.
Everyday essentials
| Specification | XDA Exec | Galaxy A31 |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
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| 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 |
|
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| NFC | Unknown |
|
| Headphone jack |
|
|
Display
| Specification | XDA Exec | Galaxy A31 |
|---|---|---|
| Touchscreen |
|
|
| 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 | XDA Exec | Galaxy A31 |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions | Unknown |
|
| Video |
|
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| Front camera, selfie |
|
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| Specifications |
|
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Performance
| Specification | XDA Exec | Galaxy A31 |
|---|---|---|
| Processor CPU |
|
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General specs
| Specification | XDA Exec | 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 | XDA Exec | Galaxy A31 |
|---|---|---|
| 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 | XDA Exec | Galaxy A31 |
|---|---|---|
| Radio |
|
Unknown |
| Others |
|
Unknown |
Other features
| Specification | XDA Exec | Galaxy A31 |
|---|---|---|
| Dop |
|
|



