Phone Comparison - Micromax A89 Ninja vs Micromax A91 Ninja vs Micromax A72 Canvas Viva
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| Manufacturer | Micromax | Micromax | Micromax |
| Announced | February 2013 | April 2013 | April 2013 |
| Status | Available - February 2013 | Available - April 2013 | Available - April 2013 |
| Colors | Black | Black | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
116 x 62 x 11.5 mm (4.57 x 2.44 x 0.45 in ) |
130 x 66 x 10 mm (5.12 x 2.6 x 0.39 in) |
142.8 x 76 x 10.6 mm (5.62 x 2.99 x 0.42 in) |
| Weight | 95 g (3.35 oz) | - | 186 g (6.56 oz) |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 / 2100 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 2100 - SIM 1 only | No |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v2.3.6 (Gingerbread) |
| Processor | Dual-core 1 GHz | Dual-core 1 GHz Cortex-A9, MediaTek MT6577 | 1 GHz |
| GPU | - | PowerVR SGX531 | - |
| RAM | 512 MB | N/A | 256 MB |
| Internal Memory | 2 GB | 4 GB (2 GB user available), 512 MB | 110 MB |
| 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 | 256K colors | 16M colors | - |
| Size | 3.97 inches | 4.5 inches | 5 inches |
| Resolution | 480 x 800 pixels (235 ppi) | 480 x 854 pixels (218 ppi) | 480 x 800 pixels (187 ppi) |
| Screen-to-Body Ratio | 62.38% | 64.86% | 65.28% |
| 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 | 3.15 MP, 2048x1536 pixels | 5 MP, 2592х1944 pixels | 3.0 MP, 2048x1536 pixels |
| Flash | No | LED flash | No |
| Features | - | Auto focus, Geo-tagging, Touch Focus, Face Detection | Geo-tagging |
| Video | Yes, VGA | Yes | Yes |
| Front Camera | No [Similar] | Yes, VGA [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | Yes | Yes | Class 12 |
| 3G | HSDPA, HSUPA | HSDPA 21 Mbps, HSUPA 5.76 Mbps | No |
| Bluetooth | Yes, v2.1 | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | Yes | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 |
| GPS | Yes | Yes, with A-GPS support | No |
| Browser | HTML | HTML5 | HTML |
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| Internal | 2 GB, 512 MB RAM | 4 GB (2 GB user available), 512 MB | 110 MB, 256 MB RAM, 512 MB ROM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
| USB OTG | - | Supported | - |
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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 | 1450 mAh | 1800 mAh | 2000 mAh |
| Stand by | Up to 170 h | - | Up to 280 h |
| Talk Time | Up to 4 h | - | Up to 7 h |
