Samsung Galaxy M31 vs T-Mobile Sidekick LX
Compare recorded specifications, size and practical differences.
T-Mobile Sidekick LX
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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
Sidekick LX: 29 g lighter
- Galaxy M31:
- 191 g
- Sidekick LX:
- 162 g
-
Width
Sidekick LX: 15.1 mm narrower
- Galaxy M31:
- 75.1 mm
- Sidekick LX:
- 60 mm
-
Screen diagonal
Sidekick LX: 3.4 in smaller diagonal
- Galaxy M31:
- 6.4 in
- Sidekick LX:
- 3 in
-
Rear camera layout
- Galaxy M31:
- Triple
- Sidekick LX:
- Single
-
Depth
Galaxy M31: 13.1 mm thinner
- Galaxy M31:
- 8.9 mm
- Sidekick LX:
- 22 mm
-
Height
Sidekick LX: 29.7 mm shorter
- Galaxy M31:
- 159.2 mm
- Sidekick LX:
- 129.5 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. Galaxy M31
- Height:
- 159.2 mm +29.7 mm versus Sidekick LX
- Width:
- 75.1 mm +15.1 mm versus Sidekick LX
- Depth:
- 8.9 mm
2. Sidekick LX
- Height:
- 129.5 mm
- Width:
- 60 mm
- Depth:
- 22 mm +13.1 mm versus Galaxy M31
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. Galaxy M31
- Screen diagonal:
- 6.4 in
- Aspect ratio (height:width):
- 19.5:9
- Approximate rectangular screen area:
- 100.5 cm²
2. Sidekick LX
- Screen diagonal:
- 3 in
- Aspect ratio (height:width):
- 5:3
- Approximate rectangular screen area:
- 25.6 cm²
Galaxy M31 has approximately 292.5% more rectangular screen area than Sidekick LX.
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 | Galaxy M31 | Sidekick LX |
|---|---|---|
| 64 GB | 6 GB RAM | Unknown |
| 128 GB | 6 GB RAM | Unknown |
Sidekick LX: Original memory entry
64 MB RAM · 64 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. Galaxy M31
- NFC:
- See details Yes (market/region dependent)
- Headphone jack:
- Yes
- Memory card support:
- See details microSDXC (dedicated slot)
2. Sidekick LX
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details microSD (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 | Galaxy M31 | Sidekick LX |
|---|---|---|
| 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 | Galaxy M31 | Sidekick LX |
|---|---|---|
| Touchscreen |
|
Unknown |
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
| Screen protection |
|
Unknown |
Camera and Video
| Specification | Galaxy M31 | Sidekick LX |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
Unknown |
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
Unknown |
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | Galaxy M31 | Sidekick LX |
|---|---|---|
| Processor CPU |
|
Unknown |
| Graphics processor GPU |
|
Unknown |
| Antutu 8 score * |
|
Unknown |
General specs
| Specification | Galaxy M31 | Sidekick LX |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
|
| Battery life | Unknown |
|
| Body build |
|
Unknown |
Communication and Connectivity
| Specification | Galaxy M31 | Sidekick LX |
|---|---|---|
| SIM card |
|
|
| Network |
|
Unknown |
| Speed |
|
Unknown |
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
|
Music and Audio
| Specification | Galaxy M31 | Sidekick LX |
|---|---|---|
| Radio |
|
|
Other features
| Specification | Galaxy M31 | Sidekick LX |
|---|---|---|
| Dop |
|
|



