Micromax A57 Ninja 3.0 vs Nokia N81 8GB
Compare recorded specifications, size and practical differences.
Nokia N81 8GB
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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
A57 Ninja 3.0: 46.2 g lighter
- A57 Ninja 3.0:
- 93.8 g
- N81 8GB:
- 140 g
-
Width
N81 8GB: 12 mm narrower
- A57 Ninja 3.0:
- 62 mm
- N81 8GB:
- 50 mm
-
Screen diagonal
N81 8GB: 1.1 in smaller diagonal
- A57 Ninja 3.0:
- 3.5 in
- N81 8GB:
- 2.4 in
-
Depth
A57 Ninja 3.0: 6.4 mm thinner
- A57 Ninja 3.0:
- 11.5 mm
- N81 8GB:
- 17.9 mm
-
Height
N81 8GB: 14 mm shorter
- A57 Ninja 3.0:
- 116 mm
- N81 8GB:
- 102 mm
-
Release year
- A57 Ninja 3.0:
- 2012
- N81 8GB:
- 2007
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. A57 Ninja 3.0
- Height:
- 116 mm +14 mm versus N81 8GB
- Width:
- 62 mm +12 mm versus N81 8GB
- Depth:
- 11.5 mm
2. N81 8GB
- Height:
- 102 mm
- Width:
- 50 mm
- Depth:
- 17.9 mm +6.4 mm versus A57 Ninja 3.0
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. A57 Ninja 3.0
- Screen diagonal:
- 3.5 in
- Aspect ratio (height:width):
- 3:2
- Approximate rectangular screen area:
- 36.5 cm²
2. N81 8GB
- Screen diagonal:
- 2.4 in
- Aspect ratio (height:width):
- 4:3
- Approximate rectangular screen area:
- 17.8 cm²
A57 Ninja 3.0 has approximately 104.5% more rectangular screen area than N81 8GB.
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.
No unambiguous storage/RAM pairings are recorded. See the original specifications below.
A57 Ninja 3.0: Original memory entry
512 MB RAM · 256 MB
N81 8GB: Original memory entry
8 GB · 96 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. A57 Ninja 3.0
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB (dedicated slot)
2. N81 8GB
- NFC:
- Unknown
- Headphone jack:
- Yes
- 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.
Everyday essentials
| Specification | A57 Ninja 3.0 | N81 8GB |
|---|---|---|
| Dimensions (HxWxD) |
|
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| Weight |
|
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| Technology |
|
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| Screen size |
|
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| Screen resolution |
|
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| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
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| Memory card support |
|
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| Battery Capacity is not battery life. No endurance test is implied. |
|
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| Operating system OS |
|
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| Headphone jack |
|
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Display
| Specification | A57 Ninja 3.0 | N81 8GB |
|---|---|---|
| Touchscreen |
|
Unknown |
| Display colors |
|
|
| Screen area |
|
|
| 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 | A57 Ninja 3.0 | N81 8GB |
|---|---|---|
| Rear camera, main |
|
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| Camera specs |
|
|
| Functions | Unknown |
|
| Video |
|
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| Front camera, selfie |
|
|
| Specifications | Unknown |
|
Performance
| Specification | A57 Ninja 3.0 | N81 8GB |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
Unknown |
General specs
| Specification | A57 Ninja 3.0 | N81 8GB |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. |
|
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| Battery life |
|
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Communication and Connectivity
| Specification | A57 Ninja 3.0 | N81 8GB |
|---|---|---|
| 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 |
|
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Music and Audio
| Specification | A57 Ninja 3.0 | N81 8GB |
|---|---|---|
| Radio |
|
|
| Others | Unknown |
|
Other features
| Specification | A57 Ninja 3.0 | N81 8GB |
|---|---|---|
| Dop |
|
|