Phone Comparison - Samsung Galaxy S Duos 2 S7582 vs Samsung Galaxy J2 vs Samsung Galaxy J7 (2016)
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| Price Comparison (India) | - | ||
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | November 2013 | September 2015 | March 2016 |
| Status | Available - November 2013 | Available - September 2015 | Available - March 2016 |
| Price | - | Rs. 7,590 ($111.62) [Similarly Priced] | Rs. 15,990 ($235.15) [Similarly Priced] |
| Colors | White, Black | White, Black | Gold, White, Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in) |
151.7 x 76 x 7.8 mm (5.97 x 2.99 x 0.31 in) |
| Weight | 118 g (4.16 oz) | 129 g (4.55 oz) | 170 g (6 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - J710F, J710H HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J710M |
| 4G Network | - | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v5.1.1 (Lollipop) | Android OS, v6.0.1 (Marshmallow) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 | Quad-core 1.3 GHz Cortex-A7, Exynos 3475 | Octa-core (4x1.6 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53), Qualcomm MSM8952 Snapdragon 617 |
| GPU | Broadcom VideoCore IV | Mali-T720 | Adreno 405 |
| RAM | 768 MB | 1 GB | 3 GB |
| Internal Memory | 4 GB (1.9 GB user available) | 8 GB | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 128 GB |
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| Type | TFT Capacitive Touchscreen, PLS | Super AMOLED Capacitive Touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.7 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 540 x 960 pixels (234 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 59.52% | 64.85% | 72.16% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio with RDS; recording | FM radio, RDS, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 5 MP, 2592 х 1944 pixels | 13 MP |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection | Autofocus, f/1.9, 28mm, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 720p@30fps | Yes, 720p | 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | 2 MP [Similar] | 5 MP, f/1.9, LED Flash [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | v4.1, A2DP | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 4 GB (1.9 GB user available), 768 MB RAM | 8 GB, 1 GB RAM | 16 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 128 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 | Removable Li-Ion Battery |
| Capacity | 1500 mAh | 2000 mAh | 3300 mAh |
| Stand by | Up to 280 h (3G) | - | Up to 354 h |
| Talk Time | Up to 8 h (3G) | - | - |
Rs. 7,590 
Rs. 7,450 
Rs. 7,590 
