Phone Comparison - Samsung Galaxy S Duos S7562 vs Karbonn K440 vs Samsung Galaxy S Duos 2 S7582
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| Manufacturer | Samsung | Karbonn | Samsung |
| Announced | July 2012 | 2012 | November 2013 |
| Status | Available - September 2012 | Available | Available - November 2013 |
| Colors | White | Black/White, Black/Red | 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) |
119.5 x 54 x 13.5 mm (4.7 x 2.13 x 0.53 in) |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
| Weight | 120 g (4.23 oz) | - | 118 g (4.16 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | N/A | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | - | Android OS, v4.2 (Jelly Bean) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | - | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 |
| GPU | Adreno 200 | - | Broadcom VideoCore IV |
| RAM | 768 MB | N/A | 768 MB |
| Internal Memory | 4 GB storage | - | 4 GB (1.9 GB user available) |
| External Memory | microSD, up to 32 GB | microSD, up to 16 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | TFT | TFT Capacitive Touchscreen, PLS |
| Colors | 16M colors | 256K colors | 16M colors |
| Size | 4.0 inches | 2.6 inches | 4.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 240 x 320 pixels (154 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 59.52% | 32.38% | 59.52% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio; FM recording | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 1.3 MP, 1280 x 1024 pixels | 5 MP, 2592х1944 pixels |
| Flash | LED flash | No | LED flash |
| Features | Auto focus, Geo-tagging | - | Auto focus, Geo-tagging |
| Video | Yes, FWVGA@30fps | Yes | Yes, 720p@30fps |
| Front Camera | Yes, VGA [Similar] | No [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | No | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | N/A | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | No | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct |
| USB | Yes, microUSB v2.0 | Yes | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | No | Yes, with A-GPS support and GLONASS |
| Browser | HTML, Adobe Flash Lite | Yes | HTML5 |
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| Phonebook | Practically unlimited entries and fields, Photocall | 1000 entries | Practically unlimited entries and fields, Photocall |
| Call Records | Practically unlimited | Yes | Practically unlimited |
| Internal | 4 GB storage, 768 MB RAM | - | 4 GB (1.9 GB user available), 768 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 16 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 | Standard battery, Li-Ion |
| Capacity | 1500 mAh | 2100 mAh | 1500 mAh |
| Stand by | Up to 445 h (2G) Up to 330 h (3G) |
Up to 800 h | Up to 280 h (3G) |
| Talk Time | Up to 13 h (2G) Up to 7 h 25 min (3G) |
Up to 12 h | Up to 8 h (3G) |
