Phone Comparison - Samsung Galaxy S Duos S7562 vs Samsung S3650W Corby vs Karbonn Smart A2+
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| Manufacturer | Samsung | Samsung | Karbonn |
| Announced | July 2012 | March 2010 | April 2013 |
| Status | Available - September 2012 | Available - March 2010 | Available - April 2013 |
| Colors | White | Jamaican Yellow, Cupid Pink, Minimal White, and Festival Orange; | White/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) |
103 x 56.5 x 12 mm (4.06 x 2.22 x 0.47 in) |
123.7 x 63.6 x 12.4 mm (4.87 x 2.5 x 0.49 in) |
| Weight | 120 g (4.23 oz) | 93.2 g (3.28.0.07 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | N/A | N/A |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | - | Android OS, v4.0 (Ice Cream Sandwich) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | - | 1 GHz |
| GPU | Adreno 200 | - | - |
| RAM | 768 MB | N/A | 256 MB |
| Internal Memory | 4 GB storage | 50 MB | 202 MB |
| External Memory | microSD, up to 32 GB | microSD, up to 8 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen | Capacitive touchscreen |
| Colors | 16M colors | 256K colors | - |
| Size | 4.0 inches | 2.8 inches | 4.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 240 x 320 pixels (143 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 59.52% | 41.64% | 58.00% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 2 MP, 1600x1200 pixels | 3.0 MP, 2048x1536 pixels |
| Flash | LED flash | No | No |
| Features | Auto focus, Geo-tagging | Smile Detection | - |
| Video | Yes, FWVGA@30fps | Yes, QVGA@15fps | Yes |
| Front Camera | Yes, VGA [Similar] | No [Similar] | Yes [Similar] |
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| GPRS | Yes | Class 10 (4+1/3+2 slots), 32 - 48 kbps | Yes |
| Edge | Yes | Class 10, 236.8 kbps | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | N/A | N/A |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v2.1 with A2DP | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Yes, Wi-Fi 802.11b/g | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes |
| GPS | Yes, with A-GPS support | No | No |
| Browser | HTML, Adobe Flash Lite | WAP 2.0/xHTML, HTML | HTML |
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| Phonebook | Practically unlimited entries and fields, Photocall | 2000 contacts, Photocall | Practically unlimited entries and fields, Photocall |
| Call Records | Practically unlimited | 20 dialed, 20 received, 20 missed calls | Practically unlimited |
| Internal | 4 GB storage, 768 MB RAM | 50 MB | 202 MB, 256 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 8 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 | Standard battery, Li-Ion | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1500 mAh | 960 mAh | 1750 mAh |
| Stand by | Up to 445 h (2G) Up to 330 h (3G) |
Up to 730 h | Up to 120 h |
| Talk Time | Up to 13 h (2G) Up to 7 h 25 min (3G) |
Up to 9 h | Up to 3 h 30 min |
