Archos Diamond Alpha vs Micromax Ninja A91
Compare recorded specifications, size and practical differences.
Micromax Ninja A91
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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
Ninja A91: 5.9 g lighter
- Diamond Alpha:
- 155 g
- Ninja A91:
- 149.1 g
-
Width
Ninja A91: 6.5 mm narrower
- Diamond Alpha:
- 72.5 mm
- Ninja A91:
- 66 mm
-
Screen diagonal
Ninja A91: 0.7 in smaller diagonal
- Diamond Alpha:
- 5.2 in
- Ninja A91:
- 4.5 in
-
Chipset
- Diamond Alpha:
- Qualcomm MSM8976 Snapdragon 652 (28 nm)
- Ninja A91:
- Mediatek MT6577 (40 nm)
-
Depth
Diamond Alpha: 2.5 mm thinner
- Diamond Alpha:
- 7.5 mm
- Ninja A91:
- 10 mm
-
Height
Ninja A91: 16.7 mm shorter
- Diamond Alpha:
- 146.7 mm
- Ninja A91:
- 130 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. Diamond Alpha
- Height:
- 146.7 mm +16.7 mm versus Ninja A91
- Width:
- 72.5 mm +6.5 mm versus Ninja A91
- Depth:
- 7.5 mm
2. Ninja A91
- Height:
- 130 mm
- Width:
- 66 mm
- Depth:
- 10 mm +2.5 mm versus Diamond Alpha
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. Diamond Alpha
- Screen diagonal:
- 5.2 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 74.5 cm²
2. Ninja A91
- Screen diagonal:
- 4.5 in
- Aspect ratio (height:width):
- 16:9
- Approximate rectangular screen area:
- 55.8 cm²
Diamond Alpha has approximately 33.5% more rectangular screen area than Ninja A91.
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.
Diamond Alpha: Original memory entry
up to 64 GB (dedicated slot) · 512GB 4GB
Ninja A91: Original memory entry
2 GB
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. Diamond Alpha
- NFC:
- See details Super AMOLED
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 256 GB (uses SIM 2 slot)
2. Ninja A91
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB (dedicated slot)
Battery capacity
Capacity is not battery life. No endurance test is implied.
At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.
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 | Diamond Alpha | Ninja A91 |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology |
|
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| Screen size |
|
|
| Screen resolution |
|
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| 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 |
|
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| Chipset |
|
|
| NFC |
|
Unknown |
| Headphone jack |
|
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Display
| Specification | Diamond Alpha | Ninja A91 |
|---|---|---|
| Touchscreen |
|
|
| Display colors |
|
Unknown |
| Screen area |
|
|
| Screen format |
|
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| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
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Camera and Video
| Specification | Diamond Alpha | Ninja A91 |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs |
|
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| Functions |
|
Unknown |
| Video |
|
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| Front camera, selfie |
|
|
| Specifications |
|
|
Performance
Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.
| Specification | Diamond Alpha | Ninja A91 |
|---|---|---|
| Processor CPU |
|
|
| Graphics processor GPU |
|
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| Antutu 7 score * |
|
Unknown |
General specs
| Specification | Diamond Alpha | Ninja A91 |
|---|---|---|
| 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 | Diamond Alpha | Ninja A91 |
|---|---|---|
| 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 |
|
|
| Harmful irradiation |
|
Unknown |
Music and Audio
| Specification | Diamond Alpha | Ninja A91 |
|---|---|---|
| Radio |
|
|
| Others |
|
Unknown |
Other features
| Specification | Diamond Alpha | Ninja A91 |
|---|---|---|
| Dop |
|
|