Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy J1 Ace vs Samsung Galaxy J7 Pro
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | February 2011 | August 2015 | June 2017 |
| Status | Available - April 2011 | Available - August 2015 | Available - July 2017 |
| Price | - | Rs. 5,850 ($86.03) [Similarly Priced] | Rs. 20,900 ($325.00) [Similarly Priced] |
| Colors | Black, White, Pink | Blue, Black, White | Black, 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) |
130.1 x 67.6 x 9.5 mm (5.12 x 2.66 x 0.37 in) |
152.4 x 74.7 x 7.9 mm (6 x 2.94 x 0.31 in) |
| Weight | 116 g (4.09 oz) | 131 g (4.62 oz) | - |
| SIM Type | - | Dual-SIM | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 (Single or Dual SIM) HSDPA 850 / 2100 (Dual SIM) |
HSDPA 850 / 900 / 1900 / 2100 - J710F, J710H HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J710M |
| 4G Network | - | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F |
| Messaging | SMS, MMS, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Notification LED | - | - | Yes |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.4.x (KitKat) | Android OS, v7.0 (Nougat) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Quad-core 1.5 GHz - J111F / Quad-core 1.2 GHz / Dual-core 1.3 GHz - J110L | Octa-core 1.6 GHz Cortex-A53, Exynos 7870 |
| GPU | Mali-400MP | - | Mali-T830 MP2 |
| RAM | 1 GB | 1 GB | 3 GB |
| Internal Memory | 16 GB/32 GB storage | 8 GB | 64 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 128 GB | microSD, up to 256 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | Super AMOLED Capacitive Touchscreen | Super AMOLED capacitive touchscreen, 2.5D Gorilla Glass |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.3 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 480 x 800 pixels (217 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 63.52% | 59.82% | 73.08% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | - | FM radio, RDS, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 5 MP, 2592 х 1944 pixels | 13 MP |
| 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, Face Detection | Autofocus, f/1.7, 28mm, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | 720p@30fps | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | 2 MP [Similar] | 13 MP, f/1.9 [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 | HSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v3.0+HS | v4.0, A2DP | v4.1, 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 802.11 b/g/n, Wi-Fi Direct, hotspot |
| 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 | HTML | HTML5 |
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| Internal | 16GB/32GB storage, 1 GB RAM | 8 GB, 1 GB RAM - J110M, J111F 4 GB, 768 MB RAM - J110F, J1 |
64 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 128 GB | microSD, up to 256 GB |
| USB OTG | Supported | - | 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-Ion Battery |
| Capacity | 1650 mAh | 1900 mAh | 3600 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
- | - |
| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
- | - |
Rs. 20,900 
Rs. 20,800 
