LG K40 vs Samsung Galaxy J7 (2018)
Compare recorded specifications, size and practical differences.
Samsung Galaxy J7 (2018)
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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
K40: 31 g lighter
- K40:
- 150 g
- Galaxy J7 (2018):
- 181 g
-
Width
K40: 4.3 mm narrower
- K40:
- 71.9 mm
- Galaxy J7 (2018):
- 76.2 mm
-
Screen diagonal
Galaxy J7 (2018): 0.2 in smaller diagonal
- K40:
- 5.7 in
- Galaxy J7 (2018):
- 5.5 in
-
Release year
- K40:
- 2019
- Galaxy J7 (2018):
- 2018
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. K40
- Height:
- 153 mm
- Width:
- 71.9 mm
- Depth:
- 8.3 mm
2. Galaxy J7 (2018)
- Height:
- 153.2 mm
- Width:
- 76.2 mm +4.3 mm versus K40
- 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. K40
- Screen diagonal:
- 5.7 in
- Aspect ratio (height:width):
- 18:9
- Approximate rectangular screen area:
- 83.8 cm²
2. Galaxy J7 (2018)
- Screen diagonal:
- 5.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 83.4 cm²
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 | K40 | Galaxy J7 (2018) |
|---|---|---|
| 16 GB | Unknown | 2 GB RAM |
| 32 GB | Unknown | 2 GB RAM |
K40: Original memory entry
32 GB · 2/3 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. K40
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 512 GB (dedicated slot)
2. Galaxy J7 (2018)
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 400 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. K402. Galaxy J7 (2018)
Everyday essentials
| Specification | K40 | Galaxy J7 (2018) |
|---|---|---|
| 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 |
| Headphone jack |
|
|
Display
| Specification | K40 | Galaxy J7 (2018) |
|---|---|---|
| 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 | K40 | Galaxy J7 (2018) |
|---|---|---|
| Rear camera, main |
|
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| Camera specs |
|
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| Functions |
|
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| Video |
|
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| Front camera, selfie |
|
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| Specifications |
|
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Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | K40 | Galaxy J7 (2018) |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
Unknown |
| Antutu 7 score * |
|
Unknown |
General specs
| Specification | K40 | Galaxy J7 (2018) |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
| Body build |
|
Unknown |
Communication and Connectivity
| Specification | K40 | Galaxy J7 (2018) |
|---|---|---|
| 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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Music and Audio
| Specification | K40 | Galaxy J7 (2018) |
|---|---|---|
| Radio |
|
|
| Others |
|
Unknown |
Other features
| Specification | K40 | Galaxy J7 (2018) |
|---|---|---|
| Dop |
|
|
