Phone Comparison - Micromax A50 Ninja vs Micromax A57 Ninja 3.0 vs Micromax A89 Ninja
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| Manufacturer | Micromax | Micromax | Micromax |
| Announced | 2012 | September 2012 | February 2013 |
| Status | Available | Available - September 2012 | Available - February 2013 |
| Colors | White | Black | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
113 x 61 x 13 mm (4.45 x 2.4 x 0.51 in) |
116 x 62 x 11.5 mm (4.57 x 2.44 x 0.45 in) |
116 x 62 x 11.5 mm (4.57 x 2.44 x 0.45 in ) |
| Weight | 110 g (3.88 oz) | 93.8 g (3.28.0.28 oz) | 95 g (3.35 oz) |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 - SIM 1 only | HSDPA 2100 - SIM 1 only | HSDPA 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3.6 (Gingerbread) | Android OS, v2.3.5 (Gingerbread) | Android OS, v4.0.4 (Ice Cream Sandwich) |
| Processor | 650 MHz | 1 GHz | Dual-core 1 GHz |
| GPU | - | Adreno 200 | - |
| RAM | N/A | 512 MB | 512 MB |
| Internal Memory | 50 MB | N/A | 2 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 160K colors | 256K colors | 256K colors |
| Size | 3.1 inches | 3.5 inches | 3.97 inches |
| Resolution | 480 x 360 pixels (193.5 ppi) | 320 x 480 pixels (165 ppi) | 480 x 800 pixels (235 ppi) |
| Screen-to-Body Ratio | 999.99% | 50.61% | 62.38% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 3.15 MP, 2048x1536 pixels | 3.15 MP, 2048x1536 pixels |
| Flash | No | No | No |
| Features | - | Geo-tagging | - |
| Video | Yes | Yes | Yes, VGA |
| Front Camera | No [Similar] | No [Similar] | No [Similar] |
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| GPRS | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | Yes | Class 12 | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA |
| Bluetooth | Yes, v2.0 | Yes, v2.0 | Yes, v2.1 |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Yes |
| USB | Yes, v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes | Yes |
| Browser | HTML | HTML | HTML |
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| Internal | 50 MB | 512 MB RAM, 256 MB ROM | 2 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1200 mAh | 1400 mAh | 1450 mAh |
| Stand by | Up to 240 h | Up to 145 h | Up to 170 h |
| Talk Time | Up to 4 h | Up to 4 h | Up to 4 h |
