Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy J7 vs Samsung Z3
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | February 2011 | June 2015 | October 2015 |
| Status | Available - April 2011 | Available - June 2015 | Available - October 2015 |
| Price | - | Rs. 13,400 ($197.06) [Similarly Priced] | Rs. 5,944 ($87.41) [Similarly Priced] |
| Colors | Black, White, Pink | White, Black | Black, Silver, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in) |
152.4 x 78.6 x 7.5 mm (6 x 3.09 x 0.3 in) |
141.6 x 70 x 7.9 mm (5.57 x 2.76 x 0.31 in) |
| Weight | 116 g (4.09 oz) | 171 g (6.03 oz) | 137 g (4.83 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | - | LTE | - |
| Messaging | SMS, MMS, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Notification LED | - | - | No |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v5.1 (Lollipop) | Tizen OS, v2.4 |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Octa-core 1.2 GHz, Exynos 7580 | Quad-core 1.3 GHz, Spreadtrum SC8830 |
| GPU | Mali-400MP | Mali-T720 | Mali-400 MP |
| RAM | 1 GB | 1.5 GB | 1 GB |
| Internal Memory | 16 GB/32 GB storage | 16 GB | 8 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 128 GB | microSD, up to 128 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | Super AMOLED Capacitive Touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 5.5 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 720 x 1280 pixels (267 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 63.52% | 69.63% | 69.40% |
| 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 |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Beauty Face, Continuous Shots, Sensor Size: 1/3.06-inch, F1.9, Interval Shot, Panorama, Sports Mode, Sound and Shot Mode | Geo-tagging, Face Detection |
| Video | Yes, 1080p@30fps | 1080p@30fps | Yes |
| Front Camera | Yes, 2 MP [Similar] | 5 MP [Similar] | 5 MP [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 12 | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA |
| Bluetooth | Yes, v3.0+HS | v4.1, A2DP | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML |
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| Internal | 16GB/32GB storage, 1 GB RAM | 16 GB, 1.5 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 128 GB | microSD, up to 128 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 | 1650 mAh | 3000 mAh | 2600 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
Up to 354 h | - |
| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
Up to 18 h (3G) | - |
Rs. 14,249 
Rs. 14,190 
