Phone Comparison - Samsung Galaxy S Duos S7562 vs Micromax A91 Ninja vs Micromax A90s
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| Manufacturer | Samsung | Micromax | Micromax |
| Announced | July 2012 | April 2013 | Q3 2012 |
| Status | Available - September 2012 | Available - April 2013 | Available - November 2012 |
| Colors | White | Black | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in) |
130 x 66 x 10 mm (5.12 x 2.6 x 0.39 in) |
127.2 x 66.8 x 9.8 mm (5.01 x 2.63 x 0.39 in) |
| Weight | 120 g (4.23 oz) | - | 118.4 g (4.16.0.14 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 2100 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 - SIM 1 only | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.0.3 (Ice Cream Sandwich) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | Dual-core 1 GHz Cortex-A9, MediaTek MT6577 | Dual-core 1 GHz, MediaTek MT6577 |
| GPU | Adreno 200 | PowerVR SGX531 | PowerVR SGX531 |
| RAM | 768 MB | N/A | 512 MB |
| Internal Memory | 4 GB storage | 4 GB (2 GB user available), 512 MB | 4 GB (2.09 GB user available) |
| 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 | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 262K colors |
| Size | 4.0 inches | 4.5 inches | 4.3 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 480 x 854 pixels (218 ppi) | 480 x 800 pixels (217 ppi) |
| Screen-to-Body Ratio | 59.52% | 64.86% | 61.92% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels | 8 MP, 3264x2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection | Geo-tagging |
| Video | Yes, FWVGA@30fps | Yes | Yes |
| Front Camera | Yes, VGA [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, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA 21 Mbps, HSUPA 5.76 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML, Adobe Flash Lite | HTML5 | HTML |
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| Internal | 4 GB storage, 768 MB RAM | 4 GB (2 GB user available), 512 MB | 4 GB (2.09 GB user available), 512 MB RAM |
| 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 | Standard battery, Li-Ion | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1500 mAh | 1800 mAh | 1600 mAh |
| Stand by | Up to 445 h (2G) Up to 330 h (3G) |
- | Up to 180 h |
| Talk Time | Up to 13 h (2G) Up to 7 h 25 min (3G) |
- | Up to 5 h (2G) Up to 4 h (3G) |
