Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy S Duos 2 S7582 vs Samsung Galaxy J1 Ace
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | February 2011 | November 2013 | August 2015 |
| Status | Available - April 2011 | Available - November 2013 | Available - August 2015 |
| Price | - | - | Rs. 5,850 ($86.03) [Similarly Priced] |
| Colors | Black, White, Pink | White, Black | Blue, Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in) |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
130.1 x 67.6 x 9.5 mm (5.12 x 2.66 x 0.37 in) |
| Weight | 116 g (4.09 oz) | 118 g (4.16 oz) | 131 g (4.62 oz) |
| SIM Type | - | - | Dual-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 900 / 2100 (Single or Dual SIM) HSDPA 850 / 2100 (Dual SIM) |
| Messaging | SMS, MMS, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.x (KitKat) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 | Quad-core 1.5 GHz - J111F / Quad-core 1.2 GHz / Dual-core 1.3 GHz - J110L |
| GPU | Mali-400MP | Broadcom VideoCore IV | - |
| RAM | 1 GB | 768 MB | 1 GB |
| Internal Memory | 16 GB/32 GB storage | 4 GB (1.9 GB user available) | 8 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 32 GB | microSD, up to 128 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | TFT Capacitive Touchscreen, PLS | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.0 inches | 4.3 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (217 ppi) |
| Screen-to-Body Ratio | 63.52% | 59.52% | 59.82% |
| 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 | 8 MP, 3264x2448 pixels | 5 MP, 2592х1944 pixels | 5 MP, 2592 х 1944 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 | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 1080p@30fps | Yes, 720p@30fps | 720p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, VGA [Similar] | 2 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 | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA |
| Bluetooth | Yes, v3.0+HS | Yes, v4.0 with A2DP | v4.0, A2DP |
| 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 hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML |
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| Internal | 16GB/32GB storage, 1 GB RAM | 4 GB (1.9 GB user available), 768 MB RAM | 8 GB, 1 GB RAM - J110M, J111F 4 GB, 768 MB RAM - J110F, J1 |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 32 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 | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1650 mAh | 1500 mAh | 1900 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
Up to 280 h (3G) | - |
| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
Up to 8 h (3G) | - |
