Karbonn Smart A12 Star vs Sharp Aquos Zero
Compare recorded specifications, size and practical differences.
Sharp Aquos Zero
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.
-
Display technology
OLED versus LCD
- Smart A12 Star:
- LCD
- Aquos Zero:
- OLED
-
Weight
Smart A12 Star: 16 g lighter
- Smart A12 Star:
- 130 g
- Aquos Zero:
- 146 g
-
Width
Smart A12 Star: 8.8 mm narrower
- Smart A12 Star:
- 64.2 mm
- Aquos Zero:
- 73 mm
-
Screen diagonal
Smart A12 Star: 2.2 in smaller diagonal
- Smart A12 Star:
- 4 in
- Aquos Zero:
- 6.2 in
-
Depth
Aquos Zero: 1.3 mm thinner
- Smart A12 Star:
- 10.1 mm
- Aquos Zero:
- 8.8 mm
-
Height
Smart A12 Star: 29.8 mm shorter
- Smart A12 Star:
- 124.2 mm
- Aquos Zero:
- 154 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. Smart A12 Star
- Height:
- 124.2 mm
- Width:
- 64.2 mm
- Depth:
- 10.1 mm +1.3 mm versus Aquos Zero
2. Aquos Zero
- Height:
- 154 mm +29.8 mm versus Smart A12 Star
- Width:
- 73 mm +8.8 mm versus Smart A12 Star
- Depth:
- 8.8 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. Smart A12 Star
- Screen diagonal:
- 4 in
- Aspect ratio (height:width):
- 5:3
- Approximate rectangular screen area:
- 45.5 cm²
2. Aquos Zero
- Screen diagonal:
- 6.2 in
- Aspect ratio (height:width):
- 18.7:9
- Approximate rectangular screen area:
- 96.9 cm²
Aquos Zero has approximately 112.8% more rectangular screen area than Smart A12 Star.
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 | Smart A12 Star | Aquos Zero |
|---|---|---|
| 128 GB | Unknown | 6 GB RAM |
Smart A12 Star: Original memory entry
4 GB · 512 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. Smart A12 Star
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB
2. Aquos Zero
- NFC:
- Yes
- Headphone jack:
- No
- Memory card support:
- No
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. Smart A12 Star2. Aquos Zero
Everyday essentials
| Specification | Smart A12 Star | Aquos Zero |
|---|---|---|
| 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 | Smart A12 Star | Aquos Zero |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
| Screen protection | Unknown |
|
Camera and Video
| Specification | Smart A12 Star | Aquos Zero |
|---|---|---|
| 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 | Smart A12 Star | Aquos Zero |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU | Unknown |
|
| Antutu 7 score * | Unknown |
|
General specs
| Specification | Smart A12 Star | Aquos Zero |
|---|---|---|
| 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 | Smart A12 Star | Aquos Zero |
|---|---|---|
| SIM card |
|
|
| Network |
|
|
| Speed |
|
|
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | Smart A12 Star | Aquos Zero |
|---|---|---|
| Radio |
|
|
| Others | Unknown |
|
Other features
| Specification | Smart A12 Star | Aquos Zero |
|---|---|---|
| Dop |
|
|
