Phone Comparison - Micromax A51 Bolt vs Samsung Galaxy Grand Neo vs Samsung Galaxy Star Trios S5283B
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| Manufacturer | Micromax | Samsung | Samsung |
| Announced | March 2013 | January 2014 | February 2014 |
| Status | Available - April 2013 | Available - February 2014 | Coming Soon - February 2014 |
| Colors | Black, White | Black, White | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
118.5 x 62.5 x 12.8 mm (4.67 x 2.46 x 0.5 in) |
143.7 x 77.1 x 9.6 mm (5.66 x 3.04 x 0.38 in) |
106 x 61 x 11 mm (4.17 x 2.4 x 0.43 in) |
| Weight | 118 g (4.16 oz) | 163 g (5.75 oz) | 105 g (3.7 oz) |
| 2G Network | GSM 900 / 1800 / 2100 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 & SIM 3 |
| 3G Network | HSDPA 900 / 2100 - SIM 1 Only | HSDPA 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
HSDPA 850 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3.7 (Gingerbread) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.1.2 (Jelly Bean) |
| Processor | 832 MHz, brcm_21552 | Quad-core 1.2 GHz Cortex-A7, Broadcom BCM23550 | 1 GHz Cortex-A5, Qualcomm MSM7225A Snapdragon S1 |
| GPU | - | Broadcom VideoCore IV | Adreno 200 |
| RAM | 256 MB | 1 GB | 512 MB |
| Internal Memory | 512 MB ROM | 16 GB ROM | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | TFT Capacitive Touchscreen | TFT capacitive touchscreen |
| Colors | 262K colors | 16M colors | 256K colors |
| Size | 3.5 inches | 5.0 inches | 3.14 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 480 x 800 pixels (187 ppi) | 240 x 320 pixels (127 ppi) |
| Screen-to-Body Ratio | 49.15% | 63.94% | 47.51% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio | Stereo FM radio with RDS | FM Radio with Recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 5 MP, 2592х1944 pixels | 2 MP, 1600x1200 pixels |
| Flash | No | LED flash | No |
| Features | - | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Geo-tagging |
| Video | Yes, 640 x 480 | Yes, 720p@30fps | Yes, VGA@30fps |
| Front Camera | Yes, 0.3 MP [Similar] | Yes, VGA [Similar] | No [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | 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 | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP, LE, EDR | Yes, v3.0 with A2DP, HS |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS support |
| Browser | HTML | HTML5 | HTML |
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| Internal | 512 MB ROM, 256 MB RAM | 16 GB ROM, 1 GB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 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 | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1500 mAh | 2100 mAh | 1300 mAh |
| Stand by | Up to 140 h | Up to 430 h | - |
| Talk Time | Up to 4 h 30 min | Up to 11 h | - |
