Phone Comparison - Samsung Galaxy S Duos S7562 vs Samsung Galaxy S3 Neo GT-I9300I vs Samsung Galaxy A3
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | July 2012 | March 2014 | October 2014 |
| Status | Available - September 2012 | Coming Soon - April 2014 | Available - November 2014 |
| Price | - | - | Rs. 14,265 ($209.78) [Similarly Priced] |
| Colors | White | Black, Blue, Brown, Red, Gray, White, Pink | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B |
| 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 70.75 x 8.6 mm (5.38 x 2.79 x 0.34 in) |
130.1 x 65.5 x 6.9 mm ( 5.12 x 2.58 x 0.27 in) |
| Weight | 120 g (4.23 oz) | 132 g (4.66 oz) | 110.3 g (3.88.0.11 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 |
| 4G Network | - | - | LTE |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.3 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | Quad-core 1.2 GHz Cortex-A7, - | Quad-core 1.2 GHz |
| GPU | Adreno 200 | - | - |
| RAM | 768 MB | 1.5 GB | 1 GB |
| Internal Memory | 4 GB storage | 16 GB storage | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.8 inches | 4.5 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (306 ppi) | 540 x 960 pixels (245 ppi) |
| Screen-to-Body Ratio | 59.52% | 65.70% | 65.39% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie |
| Video | Yes, FWVGA@30fps | Yes, 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, 1.9 MP, 720p@30fps [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | Yes | Class 12 | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP, EDR | v4.0, BLE, ANT+ |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML, Adobe Flash Lite | HTML, Adobe Flash | HTML5 |
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| Internal | 4 GB storage, 768 MB RAM | 16 GB storage, 1.5 GB RAM | 16 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 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 | Non-removable Li-Po Battery |
| Capacity | 1500 mAh | 2100 mAh | 1900 mAh |
| Stand by | Up to 445 h (2G) Up to 330 h (3G) |
- | - |
| Talk Time | Up to 13 h (2G) Up to 7 h 25 min (3G) |
Up to 14 h | - |
