Phone Comparison - Samsung Galaxy S Duos S7562 vs Karbonn A99 vs Samsung I9506 Galaxy S4
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| Manufacturer | Samsung | Karbonn | Samsung |
| Announced | July 2012 | October 2013 | Q3 2013 |
| Status | Available - September 2012 | Available - October 2013 | Available - Q3 2013 |
| Colors | White | White, Black | White Frost, Black Mist / Arctic Blue, Red Aurora |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in) |
- |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
| Weight | 120 g (4.23 oz) | - | 130 g (4.59 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA |
| 4G Network | - | - | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | Dual-core 1.3 GHz, MTK 6572 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 |
| GPU | Adreno 200 | Mali-400MP | Adreno 330 |
| RAM | 768 MB | 512 MB | 2 GB |
| Internal Memory | 4 GB storage | 4 GB | 16/32 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 | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 3.97 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (235 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 59.52% | - | 72.15% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED Flash | LED flash |
| Features | Auto focus, Geo-tagging | - | Auto focus, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR |
| Video | Yes, FWVGA@30fps | Yes, 720p | Yes, 1080p@30fps, dual-video rec. |
| Front Camera | Yes, VGA [Similar] | Yes [Similar] | Yes, 2 MP,1080p@30fps, dual video call [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v2.0 A2DP, EDR | Yes, v4.0 with A2DP, EDR, LE |
| 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 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host |
| GPS | Yes, with A-GPS support | Yes | Yes, with A-GPS support and GLONASS |
| Browser | HTML, Adobe Flash Lite | HTML | HTML5 |
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| Internal | 4 GB storage, 768 MB RAM | 4 GB ROM, 512 MB RAM | 16/32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 64 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 | 1400 mAh | 2600 mAh |
| Stand by | Up to 445 h (2G) Up to 330 h (3G) |
- | Up to 370 h (3G) |
| Talk Time | Up to 13 h (2G) Up to 7 h 25 min (3G) |
- | Up to 17 h (3G) |
