Phone Comparison - Sony Xperia M Dual vs Karbonn A12+ vs Samsung Galaxy Express 2
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| Manufacturer | Sony | Karbonn | Samsung |
| Announced | June 2013 | October 2013 | October 2013 |
| Status | Available - September 2013 | Available - October 2013 | Available - October 2013 |
| Colors | Black, White, Purple, Yellow | White, Black | Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
124 x 62 x 9.3 mm (4.88 x 2.44 x 0.37 in) |
- |
132.4 x 65.7 x 9.8 mm (5.21 x 2.59 x 0.39 in) |
| Weight | 115 g (4.06 oz) | - | 134.2 g (4.73.0.07 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Both Versions) | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 - C2005 HSDPA 850 / 1700 / 1900 / 2100 - C2004 |
HSDPA 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | - | - | LTE 800 / 900 / 1800 / 2600 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.1 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Dual-core 1 GHz Krait, Qualcomm MSM8227 | Dual-core 1.3 GHz, MTK 6572 | Dual-core 1.7 GHz |
| GPU | Adreno 305 | Mali-400MP | - |
| RAM | 1 GB | 512 MB | 1.5 GB |
| Internal Memory | 4 GB | 4 GB (1.27 GB for apps, 1.24 GB user available) | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | IPS LCD Capacitive Touchscreen, Wide Viewing Angle | Capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.0 inches | 4.5 inches |
| Resolution | 480 x 854 pixels (245 ppi) | 480 x 800 pixels (233 ppi) | 540 x 960 pixels (245 ppi) |
| Screen-to-Body Ratio | 57.31% | - | 64.05% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | Stereo FM radio with RDS, FM recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Image Stabilization, HDR, Panorama | Auto-focus, Geo-tagging, Face Detection, Panorama | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization |
| Video | Yes, 720p@30fps | Yes, 720p | Yes, 720p@30fps, stereo sound rec. |
| Front Camera | Yes, VGA [Similar] | Yes, 2 MP [Similar] | Yes [Similar] |
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| GPRS | Up to 86 kbps | Yes | Yes |
| Edge | Up to 237 kbps | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21.1 Mbps; HSUPA, 5.76 Mbps, LTE |
| Bluetooth | Yes, v4.0 with A2DP, ANT+ | Yes, v2.0 A2DP, EDR | Yes, v4.0 with A2DP, EDR |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL) |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM | 8 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 64 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 | 1750 mAh | 1400 mAh | 2100 mAh |
| Stand by | Up to 498 h (2G) Up to 454 h (3G) |
- | - |
| Talk Time | Up to 10 h 16 min (2G) Up to 9 h (3G) |
- | - |
