Phone Comparison - Samsung I9100 Galaxy S II vs Samsung Galaxy A5 (2017) vs Samsung Galaxy J7 Perx
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | February 2011 | January 2017 | Not Announced Yet |
| Status | Available - April 2011 | Coming Soon - January 2017 | Rumored |
| Price | - | Rs. 28,990 ($399.00) [Similarly Priced] | - |
| Colors | Black, White, Pink | Black, White, Gold, Pink Gold | 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) |
146.1 x 71.4 x 7.9 mm (5.75 x 2.81 x 0.31 in) |
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| Weight | 116 g (4.09 oz) | - | - |
| SIM Type | - | Dual-SIM | Dual-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan |
| 4G Network | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan |
| Messaging | SMS, MMS, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | - Fingerprint Sensor |
| Notification LED | - | Yes | Yes |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v6.0 (Marshmallow) | Android OS, v7.0 (Nougat) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | 1.9 GHz Quad-core Cortex-A72 & 1.3 GHz Quad-core Cortex-A53, Exynos 7880 | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Mali-400MP | Mali-T860 MP4 | Adreno 506 |
| RAM | 1 GB | 3 GB | 2/3 GB |
| Internal Memory | 16 GB/32 GB storage | 32 GB | 16/32 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 256 GB | microSD, up to 256 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 5.2 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 1080 x 1920 pixels (424 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 63.52% | 71.34% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio, recording | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 16 MP | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | Dual-LED (dual Tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, f/1.9 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama | Phase Detection Autofocus (PDAF), f/1.9 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | 16 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, VoLTE | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE |
| Bluetooth | Yes, v3.0+HS | v4.2, A2DP, EDR, LE, ANT+ | v4.2, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | Type-C 1.0 reversible connector | Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 16GB/32GB storage, 1 GB RAM | 32 GB, 3 GB RAM | 16/32 GB, 2/3 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 256 GB | microSD, up to 256 GB |
| USB OTG | Supported | 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 | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 1650 mAh | 3000 mAh | 3300 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) |
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