LG Optimus LTE SU640 vs Samsung Gravity SMART
Compare recorded specifications, size and practical differences.
Samsung Gravity SMART
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
Gravity SMART: 5 g lighter
- Optimus LTE SU640:
- 135 g
- Gravity SMART:
- 130 g
-
Width
Gravity SMART: 8.9 mm narrower
- Optimus LTE SU640:
- 67.9 mm
- Gravity SMART:
- 59 mm
-
Screen diagonal
Gravity SMART: 1.3 in smaller diagonal
- Optimus LTE SU640:
- 4.5 in
- Gravity SMART:
- 3.2 in
-
Depth
Optimus LTE SU640: 3.6 mm thinner
- Optimus LTE SU640:
- 10.4 mm
- Gravity SMART:
- 14 mm
-
Height
Gravity SMART: 18.9 mm shorter
- Optimus LTE SU640:
- 132.9 mm
- Gravity SMART:
- 114 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. Optimus LTE SU640
- Height:
- 132.9 mm +18.9 mm versus Gravity SMART
- Width:
- 67.9 mm +8.9 mm versus Gravity SMART
- Depth:
- 10.4 mm
2. Gravity SMART
- Height:
- 114 mm
- Width:
- 59 mm
- Depth:
- 14 mm +3.6 mm versus Optimus LTE SU640
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. Optimus LTE SU640
- Screen diagonal:
- 4.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 55.8 cm²
2. Gravity SMART
- Screen diagonal:
- 3.2 in
- Aspect ratio (height:width):
- 3:2
- Approximate rectangular screen area:
- 30.5 cm²
Optimus LTE SU640 has approximately 83.1% more rectangular screen area than Gravity SMART.
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 | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| 4 GB | 1 GB RAM | Unknown |
Gravity SMART: Original memory entry
150 MB · 270 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. Optimus LTE SU640
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB (dedicated slot) · 16 GB included
2. Gravity SMART
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB (dedicated slot) · 2 GB included
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 | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| 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 | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
|
| Functions |
|
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
Unknown |
Performance
| Specification | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
Unknown |
General specs
| Specification | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
|
| Battery life |
|
|
Communication and Connectivity
| Specification | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation | Unknown |
|
Music and Audio
| Specification | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| Radio |
|
|
| Others |
|
Unknown |
Other features
| Specification | Optimus LTE SU640 | Gravity SMART |
|---|---|---|
| Dop |
|
|