Phone Comparison - Samsung Galaxy S Duos S7562 vs Samsung Galaxy Grand 2 vs Samsung Galaxy Grand Neo
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | July 2012 | November 2013 | January 2014 |
| Status | Available - September 2012 | Available - Q4 2013 | Available - February 2014 |
| Colors | White | Black, White, Pink | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in) |
146.8 x 75.3 x 8.9 mm (5.78 x 2.96 x 0.35 in) |
143.7 x 77.1 x 9.6 mm (5.66 x 3.04 x 0.38 in) |
| Weight | 120 g (4.23 oz) | 163 g (5.75 oz) | 163 g (5.75 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SM-G7100 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G7102 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 - SIM 1 only HSDPA 900 / 1900 / 2100 - SIM 1 only |
| 4G Network | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - SM-G7105 | - |
| 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, v4.3 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A7, Broadcom BCM23550 |
| GPU | Adreno 200 | - | Broadcom VideoCore IV |
| RAM | 768 MB | 1.5 GB | 1 GB |
| Internal Memory | 4 GB storage | 8 GB | 16 GB ROM |
| 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 | TFT capacitive touchscreen | TFT Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 5.25 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (280 ppi) | 480 x 800 pixels (187 ppi) |
| Screen-to-Body Ratio | 59.52% | 68.61% | 63.94% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM Radio with 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 | 8 MP, 3264x2448 pixels | 5 MP, 2592х1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization |
| Video | Yes, FWVGA@30fps | Yes, 1080p@30fps, stereo sound rec. | Yes, 720p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, 1.9 MP, 720p [Similar] | Yes, VGA [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, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP, LE, EDR | Yes, v4.0 with A2DP, LE, EDR |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, support and GLONASS | Yes, with A-GPS, support and GLONASS |
| Browser | HTML, Adobe Flash Lite | HTML5 | HTML5 |
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| Internal | 4 GB storage, 768 MB RAM | 8 GB, 1.5 GB RAM | 16 GB ROM, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 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 | Standard battery, Li-Ion | Li-Ion Battery | Standard battery, Li-Ion |
| Capacity | 1500 mAh | 2600 mAh | 2100 mAh |
| Stand by | Up to 445 h (2G) Up to 330 h (3G) |
- | Up to 430 h |
| Talk Time | Up to 13 h (2G) Up to 7 h 25 min (3G) |
Up to 17 h | Up to 11 h |
